{
  "metadata": {
    "date": "2026-10-14",
    "xu_version": "0.8.8",
    "supported_architectures": [
      "arm64",
      "x86_64"
    ],
    "supported_os": [
      "macOS",
      "Linux",
      "Windows"
    ],
    "platforms": [
      "macos-arm64",
      "linux-arm64",
      "linux-x64",
      "macos-x64",
      "windows-x64",
      "windows-arm64"
    ],
    "total_benches": 47,
    "methodology": "Whole-program wall time, 7 iterations median, wait4/Win32 peak RSS, verified stdout"
  },
  "default_platform": "macos-arm64",
  "categories": {
    "control": {
      "zh": "控制流与语言机制",
      "en": "Control flow & primitives"
    },
    "algo": {
      "zh": "算法与数值计算",
      "en": "Algorithms & numerical"
    },
    "data": {
      "zh": "数据结构与内存访问",
      "en": "Data structures & memory"
    },
    "string": {
      "zh": "字符串与文本 I/O",
      "en": "Strings & text I/O"
    },
    "crypto": {
      "zh": "密码学与散列",
      "en": "Cryptography & hashing"
    },
    "concurrency": {
      "zh": "并发与协程通信",
      "en": "Concurrency & channels"
    }
  },
  "platforms": {
    "macos-arm64": {
      "platform_id": "macos-arm64",
      "name_zh": "macOS (Apple Silicon · ARM64)",
      "name_en": "macOS (Apple Silicon · ARM64)",
      "os": "macOS",
      "arch": "arm64",
      "chip": "Apple Silicon (AArch64 / M-Series)",
      "icon": "xi-apple",
      "startup_ms": 3.4,
      "rss_range": "1.4 – 17.5 MiB",
      "size_range": "32.4 – 433.4 KiB",
      "benches": [
        {
          "name": "startup",
          "desc_zh": "进程启动/空 main",
          "desc_en": "Process startup / empty main",
          "category": "control",
          "xu_wall_ms": 1.8,
          "xu_best_ms": 1.6,
          "xu_rss_mib": 1.3,
          "xu_bytes": 51152,
          "c_wall_ms": 1.8,
          "rust_wall_ms": 2.1,
          "go_wall_ms": 2.5,
          "swift_wall_ms": 3.7,
          "ratio_vs_c": 1.0,
          "ratio_vs_rust": 0.86,
          "ratio_vs_go": 0.72,
          "ratio_vs_swift": 0.95,
          "implementations": {
            "Xu": {
              "wall_ms": 1.8,
              "best_ms": 1.6,
              "rss_mib": 1.3,
              "cpu_ms": 1.1,
              "bytes": 51152
            },
            "go build": {
              "wall_ms": 2.5,
              "best_ms": 2.3,
              "rss_mib": 3.31,
              "cpu_ms": 1.7,
              "bytes": 1831794
            },
            "clang -O1": {
              "wall_ms": 1.9,
              "best_ms": 1.7,
              "rss_mib": 1.25,
              "cpu_ms": 1.2,
              "bytes": 16848
            },
            "clang -O2": {
              "wall_ms": 1.8,
              "best_ms": 1.6,
              "rss_mib": 1.23,
              "cpu_ms": 1.1,
              "bytes": 16848
            },
            "clang -O3": {
              "wall_ms": 1.8,
              "best_ms": 1.7,
              "rss_mib": 1.23,
              "cpu_ms": 1.1,
              "bytes": 16848
            },
            "rustc -O1": {
              "wall_ms": 2.2,
              "best_ms": 2.0,
              "rss_mib": 1.38,
              "cpu_ms": 1.5,
              "bytes": 466096
            },
            "rustc -O2": {
              "wall_ms": 2.1,
              "best_ms": 2.0,
              "rss_mib": 1.36,
              "cpu_ms": 1.4,
              "bytes": 466096
            },
            "rustc -O3": {
              "wall_ms": 2.1,
              "best_ms": 2.0,
              "rss_mib": 1.36,
              "cpu_ms": 1.4,
              "bytes": 466096
            },
            "swiftc -O": {
              "wall_ms": 1.8,
              "best_ms": 1.7,
              "rss_mib": 1.28,
              "cpu_ms": 1.1,
              "bytes": 33456
            }
          }
        },
        {
          "name": "loop_sum",
          "desc_zh": "整数累加循环",
          "desc_en": "Integer loop accumulation",
          "category": "control",
          "xu_wall_ms": 7.5,
          "xu_best_ms": 7.4,
          "xu_rss_mib": 1.3,
          "xu_bytes": 51152,
          "c_wall_ms": 7.2,
          "rust_wall_ms": 8.1,
          "go_wall_ms": 25.4,
          "swift_wall_ms": 20.8,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.3,
          "ratio_vs_swift": 0.5,
          "implementations": {
            "Xu": {
              "wall_ms": 7.5,
              "best_ms": 7.4,
              "rss_mib": 1.3,
              "cpu_ms": 6.9,
              "bytes": 51152
            },
            "go build": {
              "wall_ms": 25.4,
              "best_ms": 25.2,
              "rss_mib": 3.75,
              "cpu_ms": 25.0,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 16.9,
              "best_ms": 16.2,
              "rss_mib": 1.23,
              "cpu_ms": 16.1,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 7.5,
              "best_ms": 7.1,
              "rss_mib": 1.23,
              "cpu_ms": 6.8,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 7.2,
              "best_ms": 7.1,
              "rss_mib": 1.25,
              "cpu_ms": 6.6,
              "bytes": 33440
            },
            "rustc -O1": {
              "wall_ms": 10.6,
              "best_ms": 10.5,
              "rss_mib": 1.44,
              "cpu_ms": 10.0,
              "bytes": 471008
            },
            "rustc -O2": {
              "wall_ms": 8.2,
              "best_ms": 7.6,
              "rss_mib": 1.44,
              "cpu_ms": 7.5,
              "bytes": 471008
            },
            "rustc -O3": {
              "wall_ms": 8.1,
              "best_ms": 7.3,
              "rss_mib": 1.42,
              "cpu_ms": 7.2,
              "bytes": 471008
            },
            "swiftc -O": {
              "wall_ms": 19.6,
              "best_ms": 18.0,
              "rss_mib": 1.72,
              "cpu_ms": 18.3,
              "bytes": 50832
            }
          }
        },
        {
          "name": "fib",
          "desc_zh": "递归调用 (fib 35)",
          "desc_en": "Recursive call (fib 35)",
          "category": "control",
          "xu_wall_ms": 29.3,
          "xu_best_ms": 29.0,
          "xu_rss_mib": 1.3,
          "xu_bytes": 51152,
          "c_wall_ms": 17.4,
          "rust_wall_ms": 20.0,
          "go_wall_ms": 22.7,
          "swift_wall_ms": 27.0,
          "ratio_vs_c": 1.68,
          "ratio_vs_rust": 1.47,
          "ratio_vs_go": 1.29,
          "ratio_vs_swift": 1.2,
          "implementations": {
            "Xu": {
              "wall_ms": 29.3,
              "best_ms": 29.0,
              "rss_mib": 1.3,
              "cpu_ms": 28.3,
              "bytes": 51152
            },
            "go build": {
              "wall_ms": 22.7,
              "best_ms": 20.8,
              "rss_mib": 3.69,
              "cpu_ms": 22.2,
              "bytes": 2429730
            },
            "clang -O1": {
              "wall_ms": 18.5,
              "best_ms": 17.9,
              "rss_mib": 1.25,
              "cpu_ms": 17.7,
              "bytes": 33448
            },
            "clang -O2": {
              "wall_ms": 19.2,
              "best_ms": 19.0,
              "rss_mib": 1.25,
              "cpu_ms": 18.5,
              "bytes": 33448
            },
            "clang -O3": {
              "wall_ms": 17.4,
              "best_ms": 16.9,
              "rss_mib": 1.25,
              "cpu_ms": 16.6,
              "bytes": 33448
            },
            "rustc -O1": {
              "wall_ms": 17.1,
              "best_ms": 16.7,
              "rss_mib": 1.44,
              "cpu_ms": 16.4,
              "bytes": 471016
            },
            "rustc -O2": {
              "wall_ms": 18.3,
              "best_ms": 17.9,
              "rss_mib": 1.42,
              "cpu_ms": 17.5,
              "bytes": 471016
            },
            "rustc -O3": {
              "wall_ms": 20.0,
              "best_ms": 17.9,
              "rss_mib": 1.42,
              "cpu_ms": 19.1,
              "bytes": 471016
            },
            "swiftc -O": {
              "wall_ms": 24.9,
              "best_ms": 24.0,
              "rss_mib": 1.73,
              "cpu_ms": 23.9,
              "bytes": 50712
            }
          }
        },
        {
          "name": "nested_loop",
          "desc_zh": "深度嵌套循环",
          "desc_en": "Deeply nested loops",
          "category": "control",
          "xu_wall_ms": 4.4,
          "xu_best_ms": 4.1,
          "xu_rss_mib": 1.3,
          "xu_bytes": 51152,
          "c_wall_ms": 19.9,
          "rust_wall_ms": 16.1,
          "go_wall_ms": 45.9,
          "swift_wall_ms": 25.2,
          "ratio_vs_c": 0.22,
          "ratio_vs_rust": 0.27,
          "ratio_vs_go": 0.1,
          "ratio_vs_swift": 0.23,
          "implementations": {
            "Xu": {
              "wall_ms": 4.4,
              "best_ms": 4.1,
              "rss_mib": 1.3,
              "cpu_ms": 3.5,
              "bytes": 51152
            },
            "go build": {
              "wall_ms": 45.9,
              "best_ms": 42.4,
              "rss_mib": 3.78,
              "cpu_ms": 44.1,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 36.9,
              "best_ms": 35.0,
              "rss_mib": 1.25,
              "cpu_ms": 35.2,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 23.8,
              "best_ms": 22.2,
              "rss_mib": 1.23,
              "cpu_ms": 22.6,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 19.9,
              "best_ms": 19.7,
              "rss_mib": 1.23,
              "cpu_ms": 19.2,
              "bytes": 33440
            },
            "rustc -O1": {
              "wall_ms": 18.1,
              "best_ms": 17.4,
              "rss_mib": 1.44,
              "cpu_ms": 17.2,
              "bytes": 471024
            },
            "rustc -O2": {
              "wall_ms": 15.6,
              "best_ms": 15.5,
              "rss_mib": 1.44,
              "cpu_ms": 14.7,
              "bytes": 471024
            },
            "rustc -O3": {
              "wall_ms": 16.1,
              "best_ms": 15.2,
              "rss_mib": 1.44,
              "cpu_ms": 15.0,
              "bytes": 471024
            },
            "swiftc -O": {
              "wall_ms": 28.6,
              "best_ms": 26.9,
              "rss_mib": 1.72,
              "cpu_ms": 27.2,
              "bytes": 50832
            }
          }
        },
        {
          "name": "method_sum",
          "desc_zh": "结构体方法调用",
          "desc_en": "Struct method dispatch",
          "category": "control",
          "xu_wall_ms": 3.5,
          "xu_best_ms": 3.2,
          "xu_rss_mib": 1.3,
          "xu_bytes": 51152,
          "c_wall_ms": 3.6,
          "rust_wall_ms": 3.6,
          "go_wall_ms": 8.0,
          "swift_wall_ms": 6.7,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.97,
          "ratio_vs_go": 0.44,
          "ratio_vs_swift": 0.67,
          "implementations": {
            "Xu": {
              "wall_ms": 3.5,
              "best_ms": 3.2,
              "rss_mib": 1.3,
              "cpu_ms": 2.6,
              "bytes": 51152
            },
            "go build": {
              "wall_ms": 8.0,
              "best_ms": 7.4,
              "rss_mib": 3.62,
              "cpu_ms": 7.2,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 5.0,
              "best_ms": 4.7,
              "rss_mib": 1.23,
              "cpu_ms": 4.1,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 3.5,
              "best_ms": 3.5,
              "rss_mib": 1.23,
              "cpu_ms": 2.6,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 3.6,
              "best_ms": 3.5,
              "rss_mib": 1.25,
              "cpu_ms": 2.7,
              "bytes": 33440
            },
            "rustc -O1": {
              "wall_ms": 4.4,
              "best_ms": 4.2,
              "rss_mib": 1.42,
              "cpu_ms": 3.5,
              "bytes": 471024
            },
            "rustc -O2": {
              "wall_ms": 3.7,
              "best_ms": 3.6,
              "rss_mib": 1.42,
              "cpu_ms": 2.8,
              "bytes": 471024
            },
            "rustc -O3": {
              "wall_ms": 3.6,
              "best_ms": 3.4,
              "rss_mib": 1.42,
              "cpu_ms": 2.8,
              "bytes": 471024
            },
            "swiftc -O": {
              "wall_ms": 6.3,
              "best_ms": 6.0,
              "rss_mib": 1.73,
              "cpu_ms": 5.2,
              "bytes": 51808
            }
          }
        },
        {
          "name": "f64_sum",
          "desc_zh": "双精度浮点算术",
          "desc_en": "Float64 arithmetic",
          "category": "control",
          "xu_wall_ms": 22.6,
          "xu_best_ms": 21.9,
          "xu_rss_mib": 1.3,
          "xu_bytes": 51152,
          "c_wall_ms": 21.7,
          "rust_wall_ms": 21.1,
          "go_wall_ms": 25.3,
          "swift_wall_ms": 23.9,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 1.07,
          "ratio_vs_go": 0.89,
          "ratio_vs_swift": 0.97,
          "implementations": {
            "Xu": {
              "wall_ms": 22.6,
              "best_ms": 21.9,
              "rss_mib": 1.3,
              "cpu_ms": 21.1,
              "bytes": 51152
            },
            "go build": {
              "wall_ms": 25.3,
              "best_ms": 22.3,
              "rss_mib": 3.75,
              "cpu_ms": 24.4,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 22.7,
              "best_ms": 22.2,
              "rss_mib": 1.25,
              "cpu_ms": 21.2,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 20.9,
              "best_ms": 19.6,
              "rss_mib": 1.23,
              "cpu_ms": 20.0,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 21.7,
              "best_ms": 20.5,
              "rss_mib": 1.23,
              "cpu_ms": 20.6,
              "bytes": 33440
            },
            "rustc -O1": {
              "wall_ms": 21.5,
              "best_ms": 21.2,
              "rss_mib": 1.42,
              "cpu_ms": 20.6,
              "bytes": 471008
            },
            "rustc -O2": {
              "wall_ms": 22.1,
              "best_ms": 21.0,
              "rss_mib": 1.42,
              "cpu_ms": 20.9,
              "bytes": 471008
            },
            "rustc -O3": {
              "wall_ms": 21.1,
              "best_ms": 20.3,
              "rss_mib": 1.42,
              "cpu_ms": 20.3,
              "bytes": 471008
            },
            "swiftc -O": {
              "wall_ms": 20.4,
              "best_ms": 20.0,
              "rss_mib": 1.73,
              "cpu_ms": 19.6,
              "bytes": 50816
            }
          }
        },
        {
          "name": "matmul",
          "desc_zh": "矩阵乘法 (i64 matmul)",
          "desc_en": "Matrix multiplication",
          "category": "algo",
          "xu_wall_ms": 8.7,
          "xu_best_ms": 8.5,
          "xu_rss_mib": 3.3,
          "xu_bytes": 67568,
          "c_wall_ms": 6.4,
          "rust_wall_ms": 6.8,
          "go_wall_ms": 13.5,
          "swift_wall_ms": 57.8,
          "ratio_vs_c": 1.36,
          "ratio_vs_rust": 1.28,
          "ratio_vs_go": 0.64,
          "ratio_vs_swift": 0.19,
          "implementations": {
            "Xu": {
              "wall_ms": 8.7,
              "best_ms": 8.5,
              "rss_mib": 3.3,
              "cpu_ms": 7.9,
              "bytes": 67568
            },
            "go build": {
              "wall_ms": 13.5,
              "best_ms": 13.3,
              "rss_mib": 5.23,
              "cpu_ms": 13.0,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 7.8,
              "best_ms": 7.6,
              "rss_mib": 2.7,
              "cpu_ms": 7.2,
              "bytes": 33512
            },
            "clang -O2": {
              "wall_ms": 6.9,
              "best_ms": 6.6,
              "rss_mib": 2.72,
              "cpu_ms": 6.1,
              "bytes": 33512
            },
            "clang -O3": {
              "wall_ms": 6.4,
              "best_ms": 6.4,
              "rss_mib": 2.72,
              "cpu_ms": 5.8,
              "bytes": 33512
            },
            "rustc -O1": {
              "wall_ms": 12.4,
              "best_ms": 12.1,
              "rss_mib": 2.94,
              "cpu_ms": 11.6,
              "bytes": 471040
            },
            "rustc -O2": {
              "wall_ms": 6.8,
              "best_ms": 6.7,
              "rss_mib": 2.92,
              "cpu_ms": 6.1,
              "bytes": 471040
            },
            "rustc -O3": {
              "wall_ms": 6.8,
              "best_ms": 6.6,
              "rss_mib": 2.94,
              "cpu_ms": 6.1,
              "bytes": 471040
            },
            "swiftc -O": {
              "wall_ms": 122.5,
              "best_ms": 119.8,
              "rss_mib": 3.2,
              "cpu_ms": 121.3,
              "bytes": 52232
            }
          }
        },
        {
          "name": "string_build",
          "desc_zh": "字符串扩容与构建",
          "desc_en": "String growth & scan",
          "category": "string",
          "xu_wall_ms": 2.8,
          "xu_best_ms": 2.7,
          "xu_rss_mib": 2.5,
          "xu_bytes": 67568,
          "c_wall_ms": 2.0,
          "rust_wall_ms": 2.4,
          "go_wall_ms": 4.0,
          "swift_wall_ms": 6.3,
          "ratio_vs_c": 1.4,
          "ratio_vs_rust": 1.17,
          "ratio_vs_go": 0.7,
          "ratio_vs_swift": 0.68,
          "implementations": {
            "Xu": {
              "wall_ms": 2.8,
              "best_ms": 2.7,
              "rss_mib": 2.5,
              "cpu_ms": 2.2,
              "bytes": 67568
            },
            "go build": {
              "wall_ms": 4.0,
              "best_ms": 3.9,
              "rss_mib": 8.36,
              "cpu_ms": 3.5,
              "bytes": 2429714
            },
            "clang -O1": {
              "wall_ms": 2.4,
              "best_ms": 2.3,
              "rss_mib": 2.3,
              "cpu_ms": 1.7,
              "bytes": 33568
            },
            "clang -O2": {
              "wall_ms": 2.0,
              "best_ms": 1.9,
              "rss_mib": 2.31,
              "cpu_ms": 1.4,
              "bytes": 33568
            },
            "clang -O3": {
              "wall_ms": 2.0,
              "best_ms": 1.8,
              "rss_mib": 2.28,
              "cpu_ms": 1.4,
              "bytes": 33568
            },
            "rustc -O1": {
              "wall_ms": 2.6,
              "best_ms": 2.5,
              "rss_mib": 2.52,
              "cpu_ms": 1.9,
              "bytes": 471376
            },
            "rustc -O2": {
              "wall_ms": 2.4,
              "best_ms": 2.3,
              "rss_mib": 2.52,
              "cpu_ms": 1.7,
              "bytes": 471344
            },
            "rustc -O3": {
              "wall_ms": 2.4,
              "best_ms": 2.2,
              "rss_mib": 2.52,
              "cpu_ms": 1.7,
              "bytes": 471344
            },
            "swiftc -O": {
              "wall_ms": 4.5,
              "best_ms": 4.3,
              "rss_mib": 4.27,
              "cpu_ms": 3.5,
              "bytes": 52096
            }
          }
        },
        {
          "name": "string_repeat",
          "desc_zh": "字符串倍增复制",
          "desc_en": "String repeat & copy",
          "category": "string",
          "xu_wall_ms": 36.7,
          "xu_best_ms": 36.5,
          "xu_rss_mib": 1.55,
          "xu_bytes": 361488,
          "c_wall_ms": 11.9,
          "rust_wall_ms": 12.1,
          "go_wall_ms": 41.4,
          "swift_wall_ms": 137.1,
          "ratio_vs_c": 3.08,
          "ratio_vs_rust": 3.03,
          "ratio_vs_go": 0.89,
          "ratio_vs_swift": 0.27,
          "implementations": {
            "Xu": {
              "wall_ms": 36.7,
              "best_ms": 36.5,
              "rss_mib": 1.55,
              "cpu_ms": 34.8,
              "bytes": 361488
            },
            "go build": {
              "wall_ms": 41.4,
              "best_ms": 40.1,
              "rss_mib": 11.34,
              "cpu_ms": 64.4,
              "bytes": 2492642
            },
            "clang -O1": {
              "wall_ms": 11.6,
              "best_ms": 11.4,
              "rss_mib": 1.61,
              "cpu_ms": 9.8,
              "bytes": 33568
            },
            "clang -O2": {
              "wall_ms": 11.6,
              "best_ms": 11.5,
              "rss_mib": 1.61,
              "cpu_ms": 9.9,
              "bytes": 33568
            },
            "clang -O3": {
              "wall_ms": 11.9,
              "best_ms": 11.5,
              "rss_mib": 1.61,
              "cpu_ms": 9.9,
              "bytes": 33568
            },
            "rustc -O1": {
              "wall_ms": 12.3,
              "best_ms": 11.4,
              "rss_mib": 1.8,
              "cpu_ms": 10.5,
              "bytes": 443056
            },
            "rustc -O2": {
              "wall_ms": 12.0,
              "best_ms": 10.9,
              "rss_mib": 1.81,
              "cpu_ms": 10.1,
              "bytes": 442800
            },
            "rustc -O3": {
              "wall_ms": 12.1,
              "best_ms": 11.7,
              "rss_mib": 1.8,
              "cpu_ms": 10.5,
              "bytes": 442800
            },
            "swiftc -O": {
              "wall_ms": 137.1,
              "best_ms": 136.8,
              "rss_mib": 1.97,
              "cpu_ms": 134.4,
              "bytes": 51744
            }
          }
        },
        {
          "name": "array_ops",
          "desc_zh": "动态数组扩容/索引",
          "desc_en": "Dynamic array growth",
          "category": "data",
          "xu_wall_ms": 5.7,
          "xu_best_ms": 5.3,
          "xu_rss_mib": 16.69,
          "xu_bytes": 49568,
          "c_wall_ms": 6.4,
          "rust_wall_ms": 9.0,
          "go_wall_ms": 14.4,
          "swift_wall_ms": 14.0,
          "ratio_vs_c": 0.89,
          "ratio_vs_rust": 0.63,
          "ratio_vs_go": 0.4,
          "ratio_vs_swift": 0.41,
          "implementations": {
            "Xu": {
              "wall_ms": 5.7,
              "best_ms": 5.3,
              "rss_mib": 16.69,
              "cpu_ms": 3.8,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 14.4,
              "best_ms": 14.0,
              "rss_mib": 45.67,
              "cpu_ms": 19.7,
              "bytes": 2492450
            },
            "clang -O1": {
              "wall_ms": 6.9,
              "best_ms": 6.5,
              "rss_mib": 18.95,
              "cpu_ms": 4.9,
              "bytes": 33568
            },
            "clang -O2": {
              "wall_ms": 6.5,
              "best_ms": 6.4,
              "rss_mib": 18.95,
              "cpu_ms": 4.6,
              "bytes": 33568
            },
            "clang -O3": {
              "wall_ms": 6.4,
              "best_ms": 6.0,
              "rss_mib": 18.95,
              "cpu_ms": 4.5,
              "bytes": 33568
            },
            "rustc -O1": {
              "wall_ms": 11.1,
              "best_ms": 10.5,
              "rss_mib": 19.16,
              "cpu_ms": 9.0,
              "bytes": 442880
            },
            "rustc -O2": {
              "wall_ms": 8.9,
              "best_ms": 8.8,
              "rss_mib": 19.16,
              "cpu_ms": 6.8,
              "bytes": 443072
            },
            "rustc -O3": {
              "wall_ms": 9.0,
              "best_ms": 8.4,
              "rss_mib": 19.16,
              "cpu_ms": 6.9,
              "bytes": 443072
            },
            "swiftc -O": {
              "wall_ms": 14.0,
              "best_ms": 13.7,
              "rss_mib": 41.27,
              "cpu_ms": 11.7,
              "bytes": 51712
            }
          }
        },
        {
          "name": "file_roundtrip",
          "desc_zh": "文件写入与读取 (32×512KiB)",
          "desc_en": "File roundtrip IO",
          "category": "string",
          "xu_wall_ms": 23.9,
          "xu_best_ms": 20.8,
          "xu_rss_mib": 3.7,
          "xu_bytes": 65984,
          "c_wall_ms": 18.7,
          "rust_wall_ms": 17.5,
          "go_wall_ms": 18.4,
          "swift_wall_ms": 20.8,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.37,
          "ratio_vs_go": 1.3,
          "ratio_vs_swift": 1.15,
          "implementations": {
            "Xu": {
              "wall_ms": 23.9,
              "best_ms": 20.8,
              "rss_mib": 3.7,
              "cpu_ms": 15.3,
              "bytes": 65984
            },
            "go build": {
              "wall_ms": 18.4,
              "best_ms": 16.3,
              "rss_mib": 9.47,
              "cpu_ms": 11.7,
              "bytes": 2493634
            },
            "clang -O1": {
              "wall_ms": 16.0,
              "best_ms": 13.2,
              "rss_mib": 2.61,
              "cpu_ms": 7.4,
              "bytes": 33776
            },
            "clang -O2": {
              "wall_ms": 19.1,
              "best_ms": 14.5,
              "rss_mib": 2.62,
              "cpu_ms": 7.3,
              "bytes": 33776
            },
            "clang -O3": {
              "wall_ms": 18.7,
              "best_ms": 14.1,
              "rss_mib": 2.62,
              "cpu_ms": 7.3,
              "bytes": 33776
            },
            "rustc -O1": {
              "wall_ms": 18.4,
              "best_ms": 16.6,
              "rss_mib": 2.78,
              "cpu_ms": 7.8,
              "bytes": 460840
            },
            "rustc -O2": {
              "wall_ms": 19.5,
              "best_ms": 17.7,
              "rss_mib": 3.31,
              "cpu_ms": 7.8,
              "bytes": 460712
            },
            "rustc -O3": {
              "wall_ms": 17.5,
              "best_ms": 13.5,
              "rss_mib": 3.3,
              "cpu_ms": 8.1,
              "bytes": 460712
            },
            "swiftc -O": {
              "wall_ms": 20.8,
              "best_ms": 16.1,
              "rss_mib": 6.84,
              "cpu_ms": 9.8,
              "bytes": 54512
            }
          }
        },
        {
          "name": "sort_lcg",
          "desc_zh": "标准库快速排序",
          "desc_en": "Stdlib sort (LCG data)",
          "category": "algo",
          "xu_wall_ms": 7.6,
          "xu_best_ms": 7.1,
          "xu_rss_mib": 2.67,
          "xu_bytes": 98816,
          "c_wall_ms": 11.5,
          "rust_wall_ms": 5.0,
          "go_wall_ms": 11.5,
          "swift_wall_ms": 10.6,
          "ratio_vs_c": 0.66,
          "ratio_vs_rust": 1.52,
          "ratio_vs_go": 0.66,
          "ratio_vs_swift": 0.72,
          "implementations": {
            "Xu": {
              "wall_ms": 7.6,
              "best_ms": 7.1,
              "rss_mib": 2.67,
              "cpu_ms": 5.7,
              "bytes": 98816
            },
            "go build": {
              "wall_ms": 11.5,
              "best_ms": 11.0,
              "rss_mib": 8.7,
              "cpu_ms": 10.0,
              "bytes": 2494050
            },
            "clang -O1": {
              "wall_ms": 11.5,
              "best_ms": 11.1,
              "rss_mib": 2.34,
              "cpu_ms": 9.7,
              "bytes": 33584
            },
            "clang -O2": {
              "wall_ms": 11.5,
              "best_ms": 11.3,
              "rss_mib": 2.36,
              "cpu_ms": 9.6,
              "bytes": 33584
            },
            "clang -O3": {
              "wall_ms": 11.5,
              "best_ms": 11.2,
              "rss_mib": 2.36,
              "cpu_ms": 9.7,
              "bytes": 33584
            },
            "rustc -O1": {
              "wall_ms": 5.2,
              "best_ms": 4.8,
              "rss_mib": 2.62,
              "cpu_ms": 3.4,
              "bytes": 459936
            },
            "rustc -O2": {
              "wall_ms": 5.2,
              "best_ms": 5.0,
              "rss_mib": 2.62,
              "cpu_ms": 3.5,
              "bytes": 460016
            },
            "rustc -O3": {
              "wall_ms": 5.0,
              "best_ms": 4.8,
              "rss_mib": 2.62,
              "cpu_ms": 3.4,
              "bytes": 460016
            },
            "swiftc -O": {
              "wall_ms": 10.6,
              "best_ms": 10.0,
              "rss_mib": 4.62,
              "cpu_ms": 8.5,
              "bytes": 53312
            }
          }
        },
        {
          "name": "algorithm_search",
          "desc_zh": "标准库二分查找",
          "desc_en": "Stdlib binary search",
          "category": "algo",
          "xu_wall_ms": 196.6,
          "xu_best_ms": 194.9,
          "xu_rss_mib": 2.67,
          "xu_bytes": 98816,
          "c_wall_ms": 155.6,
          "rust_wall_ms": 175.5,
          "go_wall_ms": 240.5,
          "swift_wall_ms": 275.4,
          "ratio_vs_c": 1.26,
          "ratio_vs_rust": 1.12,
          "ratio_vs_go": 0.82,
          "ratio_vs_swift": 0.71,
          "implementations": {
            "Xu": {
              "wall_ms": 196.6,
              "best_ms": 194.9,
              "rss_mib": 2.67,
              "cpu_ms": 194.2,
              "bytes": 98816
            },
            "xu --no-opt": {
              "wall_ms": 223.5,
              "best_ms": 219.5,
              "rss_mib": 2.69,
              "cpu_ms": 219.8,
              "bytes": 98816
            },
            "go build": {
              "wall_ms": 240.5,
              "best_ms": 236.8,
              "rss_mib": 5.14,
              "cpu_ms": 238.3,
              "bytes": 2492626
            },
            "clang -O0": {
              "wall_ms": 346.7,
              "best_ms": 345.7,
              "rss_mib": 2.58,
              "cpu_ms": 343.8,
              "bytes": 33560
            },
            "clang -O1": {
              "wall_ms": 155.0,
              "best_ms": 152.9,
              "rss_mib": 2.59,
              "cpu_ms": 152.4,
              "bytes": 33528
            },
            "clang -O2": {
              "wall_ms": 157.6,
              "best_ms": 154.2,
              "rss_mib": 2.59,
              "cpu_ms": 155.0,
              "bytes": 33528
            },
            "clang -O3": {
              "wall_ms": 155.6,
              "best_ms": 152.8,
              "rss_mib": 2.59,
              "cpu_ms": 152.8,
              "bytes": 33528
            },
            "rustc -O0": {
              "wall_ms": 430.8,
              "best_ms": 427.6,
              "rss_mib": 2.77,
              "cpu_ms": 427.2,
              "bytes": 461944
            },
            "rustc -O1": {
              "wall_ms": 178.8,
              "best_ms": 174.2,
              "rss_mib": 2.78,
              "cpu_ms": 176.0,
              "bytes": 442904
            },
            "rustc -O2": {
              "wall_ms": 176.7,
              "best_ms": 171.5,
              "rss_mib": 2.78,
              "cpu_ms": 174.2,
              "bytes": 443080
            },
            "rustc -O3": {
              "wall_ms": 175.5,
              "best_ms": 171.6,
              "rss_mib": 2.78,
              "cpu_ms": 173.0,
              "bytes": 443080
            },
            "swiftc -Onone": {
              "wall_ms": 1052.4,
              "best_ms": 1046.0,
              "rss_mib": 2.92,
              "cpu_ms": 1045.1,
              "bytes": 52056
            },
            "swiftc -O": {
              "wall_ms": 275.4,
              "best_ms": 274.2,
              "rss_mib": 2.94,
              "cpu_ms": 272.7,
              "bytes": 51832
            }
          }
        },
        {
          "name": "math_bits",
          "desc_zh": "位运算与硬件指令",
          "desc_en": "Bitwise ops (hardware popcount/clz)",
          "category": "algo",
          "xu_wall_ms": 10.0,
          "xu_best_ms": 9.9,
          "xu_rss_mib": 1.45,
          "xu_bytes": 65984,
          "c_wall_ms": 10.3,
          "rust_wall_ms": 10.9,
          "go_wall_ms": 11.4,
          "swift_wall_ms": 15.8,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.88,
          "ratio_vs_swift": 0.63,
          "implementations": {
            "Xu": {
              "wall_ms": 10.0,
              "best_ms": 9.9,
              "rss_mib": 1.45,
              "cpu_ms": 8.4,
              "bytes": 65984
            },
            "xu --no-opt": {
              "wall_ms": 107.1,
              "best_ms": 105.6,
              "rss_mib": 1.45,
              "cpu_ms": 104.8,
              "bytes": 65984
            },
            "go build": {
              "wall_ms": 11.4,
              "best_ms": 11.3,
              "rss_mib": 4.09,
              "cpu_ms": 9.8,
              "bytes": 2492626
            },
            "clang -O0": {
              "wall_ms": 24.9,
              "best_ms": 24.3,
              "rss_mib": 1.59,
              "cpu_ms": 23.0,
              "bytes": 33440
            },
            "clang -O1": {
              "wall_ms": 10.2,
              "best_ms": 10.0,
              "rss_mib": 1.58,
              "cpu_ms": 8.6,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 10.4,
              "best_ms": 10.1,
              "rss_mib": 1.59,
              "cpu_ms": 8.7,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 10.3,
              "best_ms": 10.0,
              "rss_mib": 1.58,
              "cpu_ms": 8.5,
              "bytes": 33440
            },
            "rustc -O0": {
              "wall_ms": 54.7,
              "best_ms": 54.2,
              "rss_mib": 1.73,
              "cpu_ms": 52.6,
              "bytes": 444160
            },
            "rustc -O1": {
              "wall_ms": 10.7,
              "best_ms": 10.6,
              "rss_mib": 1.78,
              "cpu_ms": 8.9,
              "bytes": 442768
            },
            "rustc -O2": {
              "wall_ms": 10.7,
              "best_ms": 10.1,
              "rss_mib": 1.77,
              "cpu_ms": 8.9,
              "bytes": 442768
            },
            "rustc -O3": {
              "wall_ms": 10.9,
              "best_ms": 10.6,
              "rss_mib": 1.78,
              "cpu_ms": 8.9,
              "bytes": 442768
            },
            "swiftc -Onone": {
              "wall_ms": 1183.1,
              "best_ms": 1179.9,
              "rss_mib": 2.0,
              "cpu_ms": 1177.3,
              "bytes": 52784
            },
            "swiftc -O": {
              "wall_ms": 15.8,
              "best_ms": 15.6,
              "rss_mib": 1.86,
              "cpu_ms": 14.0,
              "bytes": 50864
            }
          }
        },
        {
          "name": "sha256_chain",
          "desc_zh": "SHA-256 哈希链",
          "desc_en": "SHA-256 hash chain",
          "category": "crypto",
          "xu_wall_ms": 2.0,
          "xu_best_ms": 1.9,
          "xu_rss_mib": 1.55,
          "xu_bytes": 116816,
          "c_wall_ms": 3.5,
          "rust_wall_ms": 3.7,
          "go_wall_ms": 2.8,
          "swift_wall_ms": 6.6,
          "ratio_vs_c": 0.57,
          "ratio_vs_rust": 0.54,
          "ratio_vs_go": 0.71,
          "ratio_vs_swift": 0.53,
          "implementations": {
            "Xu": {
              "wall_ms": 2.0,
              "best_ms": 1.9,
              "rss_mib": 1.55,
              "cpu_ms": 1.4,
              "bytes": 116816
            },
            "go build": {
              "wall_ms": 2.8,
              "best_ms": 2.8,
              "rss_mib": 4.41,
              "cpu_ms": 2.2,
              "bytes": 2717986
            },
            "clang -O1": {
              "wall_ms": 3.1,
              "best_ms": 2.9,
              "rss_mib": 1.41,
              "cpu_ms": 2.4,
              "bytes": 33824
            },
            "clang -O2": {
              "wall_ms": 3.0,
              "best_ms": 2.8,
              "rss_mib": 1.41,
              "cpu_ms": 2.3,
              "bytes": 33824
            },
            "clang -O3": {
              "wall_ms": 3.5,
              "best_ms": 3.2,
              "rss_mib": 1.39,
              "cpu_ms": 2.6,
              "bytes": 33824
            },
            "rustc -O1": {
              "wall_ms": 3.6,
              "best_ms": 3.5,
              "rss_mib": 1.72,
              "cpu_ms": 2.8,
              "bytes": 471856
            },
            "rustc -O2": {
              "wall_ms": 3.6,
              "best_ms": 3.4,
              "rss_mib": 1.69,
              "cpu_ms": 2.8,
              "bytes": 471232
            },
            "rustc -O3": {
              "wall_ms": 3.7,
              "best_ms": 3.6,
              "rss_mib": 1.69,
              "cpu_ms": 3.0,
              "bytes": 471232
            },
            "swiftc -O": {
              "wall_ms": 3.8,
              "best_ms": 3.7,
              "rss_mib": 6.16,
              "cpu_ms": 2.9,
              "bytes": 61376
            }
          }
        },
        {
          "name": "chan_ping",
          "desc_zh": "Channel 协程流水线",
          "desc_en": "Channel / Coroutine pipeline",
          "category": "concurrency",
          "xu_wall_ms": 22.3,
          "xu_best_ms": 21.6,
          "xu_rss_mib": 1.33,
          "xu_bytes": 67808,
          "c_wall_ms": null,
          "rust_wall_ms": 93.3,
          "go_wall_ms": 22.5,
          "swift_wall_ms": null,
          "ratio_vs_c": null,
          "ratio_vs_rust": 0.24,
          "ratio_vs_go": 0.99,
          "ratio_vs_swift": null,
          "implementations": {
            "Xu": {
              "wall_ms": 22.3,
              "best_ms": 21.6,
              "rss_mib": 1.33,
              "cpu_ms": 21.4,
              "bytes": 67808
            },
            "go build": {
              "wall_ms": 22.5,
              "best_ms": 22.2,
              "rss_mib": 3.73,
              "cpu_ms": 23.9,
              "bytes": 2429762
            },
            "rustc -O1": {
              "wall_ms": 67.3,
              "best_ms": 61.3,
              "rss_mib": 1.59,
              "cpu_ms": 68.2,
              "bytes": 571600
            },
            "rustc -O2": {
              "wall_ms": 73.1,
              "best_ms": 61.8,
              "rss_mib": 1.58,
              "cpu_ms": 75.9,
              "bytes": 551536
            },
            "rustc -O3": {
              "wall_ms": 93.3,
              "best_ms": 56.7,
              "rss_mib": 1.59,
              "cpu_ms": 101.4,
              "bytes": 550624
            }
          }
        },
        {
          "name": "map_ops",
          "desc_zh": "哈希表高频读写",
          "desc_en": "Hash map insert / lookup",
          "category": "data",
          "xu_wall_ms": 22.2,
          "xu_best_ms": 21.5,
          "xu_rss_mib": 14.39,
          "xu_bytes": 82400,
          "c_wall_ms": 6.6,
          "rust_wall_ms": 11.3,
          "go_wall_ms": 14.3,
          "swift_wall_ms": 22.3,
          "ratio_vs_c": 3.36,
          "ratio_vs_rust": 1.96,
          "ratio_vs_go": 1.55,
          "ratio_vs_swift": 1.0,
          "implementations": {
            "Xu": {
              "wall_ms": 22.2,
              "best_ms": 21.5,
              "rss_mib": 14.39,
              "cpu_ms": 20.3,
              "bytes": 82400
            },
            "go build": {
              "wall_ms": 14.3,
              "best_ms": 13.6,
              "rss_mib": 10.95,
              "cpu_ms": 13.3,
              "bytes": 2492578
            },
            "clang -O1": {
              "wall_ms": 6.6,
              "best_ms": 6.1,
              "rss_mib": 17.8,
              "cpu_ms": 4.6,
              "bytes": 33552
            },
            "clang -O2": {
              "wall_ms": 6.8,
              "best_ms": 6.6,
              "rss_mib": 17.8,
              "cpu_ms": 4.7,
              "bytes": 33552
            },
            "clang -O3": {
              "wall_ms": 6.6,
              "best_ms": 6.3,
              "rss_mib": 17.84,
              "cpu_ms": 4.6,
              "bytes": 33552
            },
            "rustc -O1": {
              "wall_ms": 17.9,
              "best_ms": 17.2,
              "rss_mib": 10.45,
              "cpu_ms": 16.0,
              "bytes": 461216
            },
            "rustc -O2": {
              "wall_ms": 18.2,
              "best_ms": 17.2,
              "rss_mib": 10.45,
              "cpu_ms": 16.5,
              "bytes": 461088
            },
            "rustc -O3": {
              "wall_ms": 11.3,
              "best_ms": 11.1,
              "rss_mib": 10.45,
              "cpu_ms": 9.5,
              "bytes": 461024
            },
            "swiftc -O": {
              "wall_ms": 22.3,
              "best_ms": 20.5,
              "rss_mib": 18.31,
              "cpu_ms": 19.9,
              "bytes": 52976
            }
          }
        },
        {
          "name": "iface_sum",
          "desc_zh": "接口动态派发",
          "desc_en": "Interface dynamic dispatch",
          "category": "control",
          "xu_wall_ms": 45.9,
          "xu_best_ms": 45.4,
          "xu_rss_mib": 1.45,
          "xu_bytes": 49568,
          "c_wall_ms": 18.1,
          "rust_wall_ms": 18.6,
          "go_wall_ms": 22.7,
          "swift_wall_ms": 44.7,
          "ratio_vs_c": 2.54,
          "ratio_vs_rust": 2.47,
          "ratio_vs_go": 2.02,
          "ratio_vs_swift": 1.03,
          "implementations": {
            "Xu": {
              "wall_ms": 45.9,
              "best_ms": 45.4,
              "rss_mib": 1.45,
              "cpu_ms": 43.8,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 22.7,
              "best_ms": 22.5,
              "rss_mib": 4.16,
              "cpu_ms": 21.1,
              "bytes": 2492818
            },
            "clang -O1": {
              "wall_ms": 17.8,
              "best_ms": 17.6,
              "rss_mib": 1.58,
              "cpu_ms": 16.0,
              "bytes": 33616
            },
            "clang -O2": {
              "wall_ms": 18.0,
              "best_ms": 17.8,
              "rss_mib": 1.59,
              "cpu_ms": 16.1,
              "bytes": 33616
            },
            "clang -O3": {
              "wall_ms": 18.1,
              "best_ms": 17.4,
              "rss_mib": 1.59,
              "cpu_ms": 16.1,
              "bytes": 33616
            },
            "rustc -O1": {
              "wall_ms": 18.4,
              "best_ms": 18.1,
              "rss_mib": 1.77,
              "cpu_ms": 16.5,
              "bytes": 442960
            },
            "rustc -O2": {
              "wall_ms": 18.4,
              "best_ms": 18.0,
              "rss_mib": 1.77,
              "cpu_ms": 16.6,
              "bytes": 442960
            },
            "rustc -O3": {
              "wall_ms": 18.6,
              "best_ms": 18.4,
              "rss_mib": 1.78,
              "cpu_ms": 16.8,
              "bytes": 442960
            },
            "swiftc -O": {
              "wall_ms": 44.7,
              "best_ms": 44.4,
              "rss_mib": 1.92,
              "cpu_ms": 42.4,
              "bytes": 53232
            }
          }
        },
        {
          "name": "match_sum",
          "desc_zh": "密集模式匹配",
          "desc_en": "Dense pattern match / switch",
          "category": "control",
          "xu_wall_ms": 20.3,
          "xu_best_ms": 20.1,
          "xu_rss_mib": 1.45,
          "xu_bytes": 33152,
          "c_wall_ms": 16.0,
          "rust_wall_ms": 16.3,
          "go_wall_ms": 42.7,
          "swift_wall_ms": 37.8,
          "ratio_vs_c": 1.27,
          "ratio_vs_rust": 1.25,
          "ratio_vs_go": 0.48,
          "ratio_vs_swift": 0.54,
          "implementations": {
            "Xu": {
              "wall_ms": 20.3,
              "best_ms": 20.1,
              "rss_mib": 1.45,
              "cpu_ms": 18.4,
              "bytes": 33152
            },
            "xu --no-opt": {
              "wall_ms": 361.5,
              "best_ms": 359.3,
              "rss_mib": 1.45,
              "cpu_ms": 358.0,
              "bytes": 33152
            },
            "go build": {
              "wall_ms": 42.7,
              "best_ms": 42.2,
              "rss_mib": 4.2,
              "cpu_ms": 41.1,
              "bytes": 2492450
            },
            "clang -O0": {
              "wall_ms": 74.2,
              "best_ms": 73.9,
              "rss_mib": 1.59,
              "cpu_ms": 72.1,
              "bytes": 33440
            },
            "clang -O1": {
              "wall_ms": 16.0,
              "best_ms": 15.5,
              "rss_mib": 1.59,
              "cpu_ms": 14.2,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 16.5,
              "best_ms": 16.0,
              "rss_mib": 1.59,
              "cpu_ms": 14.4,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 16.0,
              "best_ms": 15.8,
              "rss_mib": 1.58,
              "cpu_ms": 14.2,
              "bytes": 33440
            },
            "rustc -O0": {
              "wall_ms": 90.1,
              "best_ms": 89.5,
              "rss_mib": 1.75,
              "cpu_ms": 88.2,
              "bytes": 443520
            },
            "rustc -O1": {
              "wall_ms": 16.5,
              "best_ms": 16.1,
              "rss_mib": 1.78,
              "cpu_ms": 14.6,
              "bytes": 442768
            },
            "rustc -O2": {
              "wall_ms": 16.3,
              "best_ms": 16.0,
              "rss_mib": 1.77,
              "cpu_ms": 14.5,
              "bytes": 442768
            },
            "rustc -O3": {
              "wall_ms": 16.3,
              "best_ms": 16.2,
              "rss_mib": 1.77,
              "cpu_ms": 14.5,
              "bytes": 442768
            },
            "swiftc -Onone": {
              "wall_ms": 650.0,
              "best_ms": 647.5,
              "rss_mib": 1.88,
              "cpu_ms": 645.8,
              "bytes": 34512
            },
            "swiftc -O": {
              "wall_ms": 37.8,
              "best_ms": 37.6,
              "rss_mib": 1.89,
              "cpu_ms": 35.5,
              "bytes": 50848
            }
          }
        },
        {
          "name": "fn_val_sum",
          "desc_zh": "函数值一等公民调用",
          "desc_en": "First-class function call",
          "category": "control",
          "xu_wall_ms": 5.0,
          "xu_best_ms": 4.6,
          "xu_rss_mib": 1.45,
          "xu_bytes": 33152,
          "c_wall_ms": 4.8,
          "rust_wall_ms": 5.4,
          "go_wall_ms": 10.1,
          "swift_wall_ms": 32.9,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.5,
          "ratio_vs_swift": 0.15,
          "implementations": {
            "Xu": {
              "wall_ms": 5.0,
              "best_ms": 4.6,
              "rss_mib": 1.45,
              "cpu_ms": 3.2,
              "bytes": 33152
            },
            "go build": {
              "wall_ms": 10.1,
              "best_ms": 9.7,
              "rss_mib": 4.14,
              "cpu_ms": 8.2,
              "bytes": 2492450
            },
            "clang -O1": {
              "wall_ms": 9.0,
              "best_ms": 8.2,
              "rss_mib": 1.58,
              "cpu_ms": 7.2,
              "bytes": 33440
            },
            "clang -O2": {
              "wall_ms": 4.9,
              "best_ms": 4.7,
              "rss_mib": 1.59,
              "cpu_ms": 3.2,
              "bytes": 33440
            },
            "clang -O3": {
              "wall_ms": 4.8,
              "best_ms": 4.4,
              "rss_mib": 1.58,
              "cpu_ms": 3.1,
              "bytes": 33440
            },
            "rustc -O1": {
              "wall_ms": 9.3,
              "best_ms": 8.9,
              "rss_mib": 1.77,
              "cpu_ms": 7.4,
              "bytes": 442768
            },
            "rustc -O2": {
              "wall_ms": 5.1,
              "best_ms": 4.9,
              "rss_mib": 1.78,
              "cpu_ms": 3.4,
              "bytes": 442768
            },
            "rustc -O3": {
              "wall_ms": 5.4,
              "best_ms": 5.2,
              "rss_mib": 1.78,
              "cpu_ms": 3.6,
              "bytes": 442768
            },
            "swiftc -O": {
              "wall_ms": 32.9,
              "best_ms": 32.6,
              "rss_mib": 1.88,
              "cpu_ms": 30.7,
              "bytes": 51072
            }
          }
        },
        {
          "name": "copy_bytes",
          "desc_zh": "块内存拷贝",
          "desc_en": "Block memory copy (load/store)",
          "category": "data",
          "xu_wall_ms": 5.6,
          "xu_best_ms": 5.5,
          "xu_rss_mib": 17.3,
          "xu_bytes": 67568,
          "c_wall_ms": 14.9,
          "rust_wall_ms": 17.1,
          "go_wall_ms": 33.4,
          "swift_wall_ms": 174.3,
          "ratio_vs_c": 0.38,
          "ratio_vs_rust": 0.33,
          "ratio_vs_go": 0.17,
          "ratio_vs_swift": 0.05,
          "implementations": {
            "Xu": {
              "wall_ms": 5.6,
              "best_ms": 5.5,
              "rss_mib": 17.3,
              "cpu_ms": 4.9,
              "bytes": 67568
            },
            "go build": {
              "wall_ms": 33.4,
              "best_ms": 33.3,
              "rss_mib": 20.5,
              "cpu_ms": 32.9,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 21.0,
              "best_ms": 15.7,
              "rss_mib": 17.28,
              "cpu_ms": 19.8,
              "bytes": 33568
            },
            "clang -O2": {
              "wall_ms": 17.8,
              "best_ms": 15.2,
              "rss_mib": 17.28,
              "cpu_ms": 16.6,
              "bytes": 33568
            },
            "clang -O3": {
              "wall_ms": 14.9,
              "best_ms": 14.3,
              "rss_mib": 17.3,
              "cpu_ms": 14.0,
              "bytes": 33568
            },
            "rustc -O1": {
              "wall_ms": 48.8,
              "best_ms": 48.7,
              "rss_mib": 17.5,
              "cpu_ms": 47.8,
              "bytes": 471056
            },
            "rustc -O2": {
              "wall_ms": 17.5,
              "best_ms": 15.0,
              "rss_mib": 17.48,
              "cpu_ms": 16.3,
              "bytes": 471056
            },
            "rustc -O3": {
              "wall_ms": 17.1,
              "best_ms": 14.9,
              "rss_mib": 17.48,
              "cpu_ms": 16.0,
              "bytes": 471056
            },
            "swiftc -O": {
              "wall_ms": 148.6,
              "best_ms": 141.8,
              "rss_mib": 17.81,
              "cpu_ms": 147.0,
              "bytes": 52176
            }
          }
        },
        {
          "name": "sroa_vec3",
          "desc_zh": "三维向量字段归约 (SROA)",
          "desc_en": "3D vector SROA reduction",
          "category": "algo",
          "xu_wall_ms": 6.8,
          "xu_best_ms": 6.6,
          "xu_rss_mib": 1.31,
          "xu_bytes": 67568,
          "c_wall_ms": 11.2,
          "rust_wall_ms": 11.7,
          "go_wall_ms": 12.5,
          "swift_wall_ms": 14.6,
          "ratio_vs_c": 0.61,
          "ratio_vs_rust": 0.58,
          "ratio_vs_go": 0.54,
          "ratio_vs_swift": 0.58,
          "implementations": {
            "Xu": {
              "wall_ms": 6.8,
              "best_ms": 6.6,
              "rss_mib": 1.31,
              "cpu_ms": 6.1,
              "bytes": 67568
            },
            "go build": {
              "wall_ms": 12.5,
              "best_ms": 12.1,
              "rss_mib": 3.81,
              "cpu_ms": 11.9,
              "bytes": 2429698
            },
            "clang -O1": {
              "wall_ms": 11.2,
              "best_ms": 10.9,
              "rss_mib": 1.27,
              "cpu_ms": 10.4,
              "bytes": 33616
            },
            "clang -O2": {
              "wall_ms": 11.2,
              "best_ms": 10.9,
              "rss_mib": 1.27,
              "cpu_ms": 10.4,
              "bytes": 33616
            },
            "clang -O3": {
              "wall_ms": 11.2,
              "best_ms": 10.8,
              "rss_mib": 1.25,
              "cpu_ms": 10.5,
              "bytes": 33616
            },
            "rustc -O1": {
              "wall_ms": 11.6,
              "best_ms": 11.0,
              "rss_mib": 1.48,
              "cpu_ms": 10.8,
              "bytes": 471152
            },
            "rustc -O2": {
              "wall_ms": 11.9,
              "best_ms": 11.4,
              "rss_mib": 1.48,
              "cpu_ms": 10.9,
              "bytes": 471392
            },
            "rustc -O3": {
              "wall_ms": 11.7,
              "best_ms": 11.3,
              "rss_mib": 1.48,
              "cpu_ms": 10.9,
              "bytes": 471392
            },
            "swiftc -O": {
              "wall_ms": 12.4,
              "best_ms": 12.1,
              "rss_mib": 1.75,
              "cpu_ms": 11.4,
              "bytes": 53328
            }
          }
        },
        {
          "name": "scan_dep",
          "desc_zh": "进位依赖链 prefix-add",
          "desc_en": "Carry dependency chain",
          "category": "algo",
          "xu_wall_ms": 57.4,
          "xu_best_ms": 56.9,
          "xu_rss_mib": 1.47,
          "xu_bytes": 49568,
          "c_wall_ms": 56.9,
          "rust_wall_ms": 57.3,
          "go_wall_ms": 209.3,
          "swift_wall_ms": 206.1,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.0,
          "ratio_vs_go": 0.27,
          "ratio_vs_swift": 0.28,
          "implementations": {
            "Xu": {
              "wall_ms": 57.4,
              "best_ms": 56.9,
              "rss_mib": 1.47,
              "cpu_ms": 55.1,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 209.3,
              "best_ms": 207.9,
              "rss_mib": 4.23,
              "cpu_ms": 206.9,
              "bytes": 2492450
            },
            "clang -O1": {
              "wall_ms": 56.5,
              "best_ms": 55.7,
              "rss_mib": 1.61,
              "cpu_ms": 54.4,
              "bytes": 33520
            },
            "clang -O2": {
              "wall_ms": 56.4,
              "best_ms": 55.9,
              "rss_mib": 1.61,
              "cpu_ms": 54.6,
              "bytes": 33520
            },
            "clang -O3": {
              "wall_ms": 56.9,
              "best_ms": 56.3,
              "rss_mib": 1.59,
              "cpu_ms": 54.8,
              "bytes": 33520
            },
            "rustc -O1": {
              "wall_ms": 203.5,
              "best_ms": 202.8,
              "rss_mib": 1.8,
              "cpu_ms": 200.5,
              "bytes": 442800
            },
            "rustc -O2": {
              "wall_ms": 57.0,
              "best_ms": 56.2,
              "rss_mib": 1.81,
              "cpu_ms": 54.9,
              "bytes": 442800
            },
            "rustc -O3": {
              "wall_ms": 57.3,
              "best_ms": 56.3,
              "rss_mib": 1.81,
              "cpu_ms": 54.5,
              "bytes": 442800
            },
            "swiftc -O": {
              "wall_ms": 206.1,
              "best_ms": 205.7,
              "rss_mib": 1.92,
              "cpu_ms": 203.5,
              "bytes": 51936
            }
          }
        },
        {
          "name": "chase_index",
          "desc_zh": "数据依赖下标指针追逐",
          "desc_en": "Data-dependent index chasing",
          "category": "data",
          "xu_wall_ms": 114.2,
          "xu_best_ms": 113.5,
          "xu_rss_mib": 2.16,
          "xu_bytes": 49568,
          "c_wall_ms": 105.4,
          "rust_wall_ms": 108.3,
          "go_wall_ms": 106.2,
          "swift_wall_ms": 112.1,
          "ratio_vs_c": 1.08,
          "ratio_vs_rust": 1.05,
          "ratio_vs_go": 1.08,
          "ratio_vs_swift": 1.02,
          "implementations": {
            "Xu": {
              "wall_ms": 114.2,
              "best_ms": 113.5,
              "rss_mib": 2.16,
              "cpu_ms": 111.8,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 106.2,
              "best_ms": 105.4,
              "rss_mib": 4.69,
              "cpu_ms": 104.0,
              "bytes": 2492450
            },
            "clang -O1": {
              "wall_ms": 105.8,
              "best_ms": 104.6,
              "rss_mib": 2.09,
              "cpu_ms": 103.6,
              "bytes": 33520
            },
            "clang -O2": {
              "wall_ms": 104.8,
              "best_ms": 104.1,
              "rss_mib": 2.08,
              "cpu_ms": 102.6,
              "bytes": 33520
            },
            "clang -O3": {
              "wall_ms": 105.4,
              "best_ms": 104.0,
              "rss_mib": 2.09,
              "cpu_ms": 103.0,
              "bytes": 33520
            },
            "rustc -O1": {
              "wall_ms": 105.6,
              "best_ms": 104.1,
              "rss_mib": 2.28,
              "cpu_ms": 103.4,
              "bytes": 442800
            },
            "rustc -O2": {
              "wall_ms": 105.5,
              "best_ms": 104.8,
              "rss_mib": 2.28,
              "cpu_ms": 103.2,
              "bytes": 442800
            },
            "rustc -O3": {
              "wall_ms": 108.3,
              "best_ms": 104.5,
              "rss_mib": 2.3,
              "cpu_ms": 105.4,
              "bytes": 442800
            },
            "swiftc -O": {
              "wall_ms": 112.1,
              "best_ms": 110.4,
              "rss_mib": 2.39,
              "cpu_ms": 109.5,
              "bytes": 52000
            }
          }
        },
        {
          "name": "sieve_primes",
          "desc_zh": "埃氏素数筛法",
          "desc_en": "Sieve of Eratosthenes",
          "category": "algo",
          "xu_wall_ms": 10.0,
          "xu_best_ms": 9.4,
          "xu_rss_mib": 16.69,
          "xu_bytes": 49568,
          "c_wall_ms": 9.7,
          "rust_wall_ms": 13.5,
          "go_wall_ms": 12.6,
          "swift_wall_ms": 14.1,
          "ratio_vs_c": 1.03,
          "ratio_vs_rust": 0.74,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.71,
          "implementations": {
            "Xu": {
              "wall_ms": 10.0,
              "best_ms": 9.4,
              "rss_mib": 16.69,
              "cpu_ms": 7.9,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 12.6,
              "best_ms": 12.3,
              "rss_mib": 20.05,
              "cpu_ms": 10.9,
              "bytes": 2492626
            },
            "clang -O1": {
              "wall_ms": 10.2,
              "best_ms": 10.0,
              "rss_mib": 16.86,
              "cpu_ms": 8.1,
              "bytes": 33584
            },
            "clang -O2": {
              "wall_ms": 9.7,
              "best_ms": 9.4,
              "rss_mib": 16.84,
              "cpu_ms": 7.7,
              "bytes": 33584
            },
            "clang -O3": {
              "wall_ms": 9.7,
              "best_ms": 9.3,
              "rss_mib": 16.84,
              "cpu_ms": 7.5,
              "bytes": 33584
            },
            "rustc -O1": {
              "wall_ms": 14.7,
              "best_ms": 14.1,
              "rss_mib": 17.05,
              "cpu_ms": 12.7,
              "bytes": 442896
            },
            "rustc -O2": {
              "wall_ms": 13.6,
              "best_ms": 13.5,
              "rss_mib": 17.06,
              "cpu_ms": 11.8,
              "bytes": 443072
            },
            "rustc -O3": {
              "wall_ms": 13.5,
              "best_ms": 13.0,
              "rss_mib": 17.05,
              "cpu_ms": 11.7,
              "bytes": 443072
            },
            "swiftc -O": {
              "wall_ms": 14.1,
              "best_ms": 13.9,
              "rss_mib": 17.16,
              "cpu_ms": 12.1,
              "bytes": 51248
            }
          }
        },
        {
          "name": "crc32_iso",
          "desc_zh": "CRC32 校验和吞吐",
          "desc_en": "CRC32 stream checksum",
          "category": "crypto",
          "xu_wall_ms": 35.8,
          "xu_best_ms": 35.2,
          "xu_rss_mib": 2.66,
          "xu_bytes": 49568,
          "c_wall_ms": 19.7,
          "rust_wall_ms": 20.6,
          "go_wall_ms": 60.1,
          "swift_wall_ms": 20.9,
          "ratio_vs_c": 1.82,
          "ratio_vs_rust": 1.74,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 1.71,
          "implementations": {
            "Xu": {
              "wall_ms": 35.8,
              "best_ms": 35.2,
              "rss_mib": 2.66,
              "cpu_ms": 34.0,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 60.1,
              "best_ms": 59.2,
              "rss_mib": 4.86,
              "cpu_ms": 58.4,
              "bytes": 2492626
            },
            "clang -O1": {
              "wall_ms": 19.8,
              "best_ms": 19.5,
              "rss_mib": 2.36,
              "cpu_ms": 18.0,
              "bytes": 33520
            },
            "clang -O2": {
              "wall_ms": 19.5,
              "best_ms": 19.3,
              "rss_mib": 2.36,
              "cpu_ms": 17.9,
              "bytes": 33520
            },
            "clang -O3": {
              "wall_ms": 19.7,
              "best_ms": 19.5,
              "rss_mib": 2.36,
              "cpu_ms": 18.1,
              "bytes": 33520
            },
            "rustc -O1": {
              "wall_ms": 20.2,
              "best_ms": 19.9,
              "rss_mib": 2.56,
              "cpu_ms": 18.4,
              "bytes": 442880
            },
            "rustc -O2": {
              "wall_ms": 20.6,
              "best_ms": 20.1,
              "rss_mib": 2.56,
              "cpu_ms": 18.7,
              "bytes": 443072
            },
            "rustc -O3": {
              "wall_ms": 20.6,
              "best_ms": 20.1,
              "rss_mib": 2.56,
              "cpu_ms": 18.8,
              "bytes": 443072
            },
            "swiftc -O": {
              "wall_ms": 20.9,
              "best_ms": 20.1,
              "rss_mib": 2.67,
              "cpu_ms": 18.7,
              "bytes": 51328
            }
          }
        },
        {
          "name": "builder",
          "desc_zh": "字符串构建器动态扩容",
          "desc_en": "String builder dynamic capacity",
          "category": "string",
          "xu_wall_ms": 5.5,
          "xu_best_ms": 5.1,
          "xu_rss_mib": 1.92,
          "xu_bytes": 361488,
          "c_wall_ms": 3.0,
          "rust_wall_ms": 3.8,
          "go_wall_ms": 4.7,
          "swift_wall_ms": 5.6,
          "ratio_vs_c": 1.83,
          "ratio_vs_rust": 1.45,
          "ratio_vs_go": 1.17,
          "ratio_vs_swift": 0.98,
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              "wall_ms": 5.5,
              "best_ms": 5.1,
              "rss_mib": 1.92,
              "cpu_ms": 3.7,
              "bytes": 361488
            },
            "go build": {
              "wall_ms": 4.7,
              "best_ms": 4.2,
              "rss_mib": 4.77,
              "cpu_ms": 3.1,
              "bytes": 2492770
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            "clang -O1": {
              "wall_ms": 3.4,
              "best_ms": 3.2,
              "rss_mib": 1.78,
              "cpu_ms": 1.8,
              "bytes": 33568
            },
            "clang -O2": {
              "wall_ms": 3.3,
              "best_ms": 3.2,
              "rss_mib": 1.78,
              "cpu_ms": 1.8,
              "bytes": 33568
            },
            "clang -O3": {
              "wall_ms": 3.0,
              "best_ms": 2.8,
              "rss_mib": 1.78,
              "cpu_ms": 1.7,
              "bytes": 33568
            },
            "rustc -O1": {
              "wall_ms": 3.7,
              "best_ms": 3.4,
              "rss_mib": 1.98,
              "cpu_ms": 2.2,
              "bytes": 443104
            },
            "rustc -O2": {
              "wall_ms": 3.8,
              "best_ms": 3.4,
              "rss_mib": 1.98,
              "cpu_ms": 2.1,
              "bytes": 442976
            },
            "rustc -O3": {
              "wall_ms": 3.8,
              "best_ms": 3.3,
              "rss_mib": 1.98,
              "cpu_ms": 2.1,
              "bytes": 442976
            },
            "swiftc -O": {
              "wall_ms": 5.6,
              "best_ms": 5.3,
              "rss_mib": 6.0,
              "cpu_ms": 3.7,
              "bytes": 52576
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          }
        },
        {
          "name": "byte_view",
          "desc_zh": "切片视图子串搜索",
          "desc_en": "String slice view & search",
          "category": "string",
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          "xu_best_ms": 3.0,
          "xu_rss_mib": 1.8,
          "xu_bytes": 361488,
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          "ratio_vs_c": 1.1,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.55,
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              "wall_ms": 3.3,
              "best_ms": 3.0,
              "rss_mib": 1.8,
              "cpu_ms": 1.8,
              "bytes": 361488
            },
            "go build": {
              "wall_ms": 4.2,
              "best_ms": 3.7,
              "rss_mib": 4.23,
              "cpu_ms": 2.6,
              "bytes": 2493058
            },
            "clang -O1": {
              "wall_ms": 3.2,
              "best_ms": 3.1,
              "rss_mib": 1.7,
              "cpu_ms": 1.6,
              "bytes": 33616
            },
            "clang -O2": {
              "wall_ms": 3.2,
              "best_ms": 3.0,
              "rss_mib": 1.7,
              "cpu_ms": 1.6,
              "bytes": 33616
            },
            "clang -O3": {
              "wall_ms": 3.0,
              "best_ms": 2.9,
              "rss_mib": 1.69,
              "cpu_ms": 1.6,
              "bytes": 33616
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            "rustc -O1": {
              "wall_ms": 3.5,
              "best_ms": 3.4,
              "rss_mib": 1.86,
              "cpu_ms": 2.0,
              "bytes": 442800
            },
            "rustc -O2": {
              "wall_ms": 3.7,
              "best_ms": 3.2,
              "rss_mib": 1.88,
              "cpu_ms": 2.0,
              "bytes": 442992
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            "rustc -O3": {
              "wall_ms": 3.6,
              "best_ms": 3.3,
              "rss_mib": 1.86,
              "cpu_ms": 2.1,
              "bytes": 442992
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            "swiftc -O": {
              "wall_ms": 6.0,
              "best_ms": 5.8,
              "rss_mib": 5.83,
              "cpu_ms": 3.9,
              "bytes": 53264
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          }
        },
        {
          "name": "strings_io",
          "desc_zh": "字符串综合切分拼接",
          "desc_en": "Strings IO (repeat/split/join)",
          "category": "string",
          "xu_wall_ms": 103.8,
          "xu_best_ms": 103.1,
          "xu_rss_mib": 1.72,
          "xu_bytes": 443808,
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              "wall_ms": 103.8,
              "best_ms": 103.1,
              "rss_mib": 1.72,
              "cpu_ms": 101.7,
              "bytes": 443808
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            "go build": {
              "wall_ms": 190.9,
              "best_ms": 190.0,
              "rss_mib": 9.84,
              "cpu_ms": 196.5,
              "bytes": 2510290
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            "clang -O1": {
              "wall_ms": 72.5,
              "best_ms": 72.2,
              "rss_mib": 1.66,
              "cpu_ms": 70.6,
              "bytes": 33952
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            "clang -O2": {
              "wall_ms": 49.2,
              "best_ms": 48.8,
              "rss_mib": 1.67,
              "cpu_ms": 47.4,
              "bytes": 33952
            },
            "clang -O3": {
              "wall_ms": 49.4,
              "best_ms": 49.2,
              "rss_mib": 1.67,
              "cpu_ms": 47.4,
              "bytes": 33952
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            "rustc -O1": {
              "wall_ms": 111.0,
              "best_ms": 110.5,
              "rss_mib": 2.0,
              "cpu_ms": 109.0,
              "bytes": 461344
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            "rustc -O2": {
              "wall_ms": 65.3,
              "best_ms": 64.2,
              "rss_mib": 2.0,
              "cpu_ms": 63.2,
              "bytes": 460096
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            "rustc -O3": {
              "wall_ms": 66.0,
              "best_ms": 64.9,
              "rss_mib": 2.02,
              "cpu_ms": 63.9,
              "bytes": 460096
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            "swiftc -O": {
              "wall_ms": 2509.1,
              "best_ms": 2494.9,
              "rss_mib": 6.45,
              "cpu_ms": 2492.7,
              "bytes": 54240
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          }
        },
        {
          "name": "string_count",
          "desc_zh": "短串字节匹配计数",
          "desc_en": "Short string byte counting",
          "category": "string",
          "xu_wall_ms": 47.7,
          "xu_best_ms": 47.2,
          "xu_rss_mib": 1.48,
          "xu_bytes": 361488,
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          "rust_wall_ms": 17.4,
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          "ratio_vs_c": 2.62,
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          "ratio_vs_go": 2.24,
          "ratio_vs_swift": 0.9,
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            "Xu": {
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              "best_ms": 47.2,
              "rss_mib": 1.48,
              "cpu_ms": 45.9,
              "bytes": 361488
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            "go build": {
              "wall_ms": 21.3,
              "best_ms": 21.1,
              "rss_mib": 4.09,
              "cpu_ms": 19.8,
              "bytes": 2492818
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            "clang -O1": {
              "wall_ms": 16.8,
              "best_ms": 16.6,
              "rss_mib": 1.59,
              "cpu_ms": 15.1,
              "bytes": 33648
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            "clang -O2": {
              "wall_ms": 18.0,
              "best_ms": 17.7,
              "rss_mib": 1.59,
              "cpu_ms": 16.2,
              "bytes": 33648
            },
            "clang -O3": {
              "wall_ms": 18.2,
              "best_ms": 18.0,
              "rss_mib": 1.58,
              "cpu_ms": 16.5,
              "bytes": 33648
            },
            "rustc -O1": {
              "wall_ms": 18.5,
              "best_ms": 17.7,
              "rss_mib": 1.75,
              "cpu_ms": 16.7,
              "bytes": 460784
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            "rustc -O2": {
              "wall_ms": 17.4,
              "best_ms": 17.2,
              "rss_mib": 1.75,
              "cpu_ms": 15.8,
              "bytes": 460640
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            "rustc -O3": {
              "wall_ms": 17.4,
              "best_ms": 17.2,
              "rss_mib": 1.77,
              "cpu_ms": 15.8,
              "bytes": 460640
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            "swiftc -O": {
              "wall_ms": 53.1,
              "best_ms": 52.4,
              "rss_mib": 5.62,
              "cpu_ms": 50.7,
              "bytes": 54032
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          }
        },
        {
          "name": "heap_priority",
          "desc_zh": "二叉堆优先队列",
          "desc_en": "Binary heap priority queue",
          "category": "data",
          "xu_wall_ms": 56.6,
          "xu_best_ms": 55.9,
          "xu_rss_mib": 3.69,
          "xu_bytes": 82400,
          "c_wall_ms": 18.9,
          "rust_wall_ms": 20.1,
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          "swift_wall_ms": 27.0,
          "ratio_vs_c": 2.99,
          "ratio_vs_rust": 2.82,
          "ratio_vs_go": 0.85,
          "ratio_vs_swift": 2.1,
          "implementations": {
            "Xu": {
              "wall_ms": 56.6,
              "best_ms": 55.9,
              "rss_mib": 3.69,
              "cpu_ms": 54.6,
              "bytes": 82400
            },
            "go build": {
              "wall_ms": 66.2,
              "best_ms": 65.0,
              "rss_mib": 12.25,
              "cpu_ms": 65.9,
              "bytes": 2493490
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            "clang -O1": {
              "wall_ms": 21.3,
              "best_ms": 20.9,
              "rss_mib": 3.22,
              "cpu_ms": 19.6,
              "bytes": 33568
            },
            "clang -O2": {
              "wall_ms": 19.1,
              "best_ms": 18.7,
              "rss_mib": 3.2,
              "cpu_ms": 17.4,
              "bytes": 33568
            },
            "clang -O3": {
              "wall_ms": 18.9,
              "best_ms": 18.7,
              "rss_mib": 3.2,
              "cpu_ms": 17.3,
              "bytes": 33568
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            "rustc -O1": {
              "wall_ms": 20.7,
              "best_ms": 20.3,
              "rss_mib": 3.38,
              "cpu_ms": 18.9,
              "bytes": 442896
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            "rustc -O2": {
              "wall_ms": 20.2,
              "best_ms": 19.7,
              "rss_mib": 3.38,
              "cpu_ms": 18.3,
              "bytes": 443072
            },
            "rustc -O3": {
              "wall_ms": 20.1,
              "best_ms": 19.8,
              "rss_mib": 3.38,
              "cpu_ms": 18.6,
              "bytes": 443072
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            "swiftc -O": {
              "wall_ms": 27.0,
              "best_ms": 26.2,
              "rss_mib": 10.23,
              "cpu_ms": 24.8,
              "bytes": 53904
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          }
        },
        {
          "name": "hex_codec",
          "desc_zh": "十六进制编解码流",
          "desc_en": "Hexadecimal codec stream",
          "category": "string",
          "xu_wall_ms": 22.8,
          "xu_best_ms": 22.7,
          "xu_rss_mib": 1.52,
          "xu_bytes": 377904,
          "c_wall_ms": 12.4,
          "rust_wall_ms": 12.5,
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          "swift_wall_ms": 88.7,
          "ratio_vs_c": 1.84,
          "ratio_vs_rust": 1.82,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 0.26,
          "implementations": {
            "Xu": {
              "wall_ms": 22.8,
              "best_ms": 22.7,
              "rss_mib": 1.52,
              "cpu_ms": 21.3,
              "bytes": 377904
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            "go build": {
              "wall_ms": 38.1,
              "best_ms": 37.3,
              "rss_mib": 10.19,
              "cpu_ms": 40.6,
              "bytes": 2509778
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            "clang -O1": {
              "wall_ms": 33.5,
              "best_ms": 33.4,
              "rss_mib": 1.59,
              "cpu_ms": 31.7,
              "bytes": 33552
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            "clang -O2": {
              "wall_ms": 12.7,
              "best_ms": 12.5,
              "rss_mib": 1.58,
              "cpu_ms": 11.0,
              "bytes": 33552
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            "clang -O3": {
              "wall_ms": 12.4,
              "best_ms": 12.3,
              "rss_mib": 1.59,
              "cpu_ms": 11.0,
              "bytes": 33552
            },
            "rustc -O1": {
              "wall_ms": 43.3,
              "best_ms": 43.1,
              "rss_mib": 1.73,
              "cpu_ms": 41.4,
              "bytes": 443056
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            "rustc -O2": {
              "wall_ms": 12.6,
              "best_ms": 12.4,
              "rss_mib": 1.75,
              "cpu_ms": 11.0,
              "bytes": 442800
            },
            "rustc -O3": {
              "wall_ms": 12.5,
              "best_ms": 12.4,
              "rss_mib": 1.77,
              "cpu_ms": 11.1,
              "bytes": 442800
            },
            "swiftc -O": {
              "wall_ms": 88.7,
              "best_ms": 88.6,
              "rss_mib": 5.64,
              "cpu_ms": 86.5,
              "bytes": 53680
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          }
        },
        {
          "name": "base64_codec",
          "desc_zh": "Base64 编解码流",
          "desc_en": "Base64 codec stream",
          "category": "string",
          "xu_wall_ms": 19.0,
          "xu_best_ms": 18.8,
          "xu_rss_mib": 1.55,
          "xu_bytes": 410736,
          "c_wall_ms": 12.2,
          "rust_wall_ms": 11.7,
          "go_wall_ms": 13.9,
          "swift_wall_ms": 13.7,
          "ratio_vs_c": 1.56,
          "ratio_vs_rust": 1.62,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.39,
          "implementations": {
            "Xu": {
              "wall_ms": 19.0,
              "best_ms": 18.8,
              "rss_mib": 1.55,
              "cpu_ms": 17.4,
              "bytes": 410736
            },
            "go build": {
              "wall_ms": 13.9,
              "best_ms": 13.5,
              "rss_mib": 9.94,
              "cpu_ms": 14.0,
              "bytes": 2493634
            },
            "clang -O1": {
              "wall_ms": 14.2,
              "best_ms": 13.8,
              "rss_mib": 1.58,
              "cpu_ms": 12.5,
              "bytes": 33552
            },
            "clang -O2": {
              "wall_ms": 12.0,
              "best_ms": 11.9,
              "rss_mib": 1.58,
              "cpu_ms": 10.5,
              "bytes": 33552
            },
            "clang -O3": {
              "wall_ms": 12.2,
              "best_ms": 12.0,
              "rss_mib": 1.59,
              "cpu_ms": 10.5,
              "bytes": 33552
            },
            "rustc -O1": {
              "wall_ms": 16.7,
              "best_ms": 16.5,
              "rss_mib": 1.75,
              "cpu_ms": 15.1,
              "bytes": 443056
            },
            "rustc -O2": {
              "wall_ms": 11.7,
              "best_ms": 11.5,
              "rss_mib": 1.77,
              "cpu_ms": 10.4,
              "bytes": 459312
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            "rustc -O3": {
              "wall_ms": 11.7,
              "best_ms": 11.2,
              "rss_mib": 1.77,
              "cpu_ms": 10.0,
              "bytes": 459312
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            "swiftc -O": {
              "wall_ms": 13.7,
              "best_ms": 13.5,
              "rss_mib": 5.73,
              "cpu_ms": 11.9,
              "bytes": 55424
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          }
        },
        {
          "name": "ring_buffer",
          "desc_zh": "双端环形缓冲区",
          "desc_en": "Ring buffer queue",
          "category": "data",
          "xu_wall_ms": 101.2,
          "xu_best_ms": 99.8,
          "xu_rss_mib": 1.52,
          "xu_bytes": 49568,
          "c_wall_ms": 51.7,
          "rust_wall_ms": 52.5,
          "go_wall_ms": 74.5,
          "swift_wall_ms": 78.7,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.93,
          "ratio_vs_go": 1.36,
          "ratio_vs_swift": 1.29,
          "implementations": {
            "Xu": {
              "wall_ms": 101.2,
              "best_ms": 99.8,
              "rss_mib": 1.52,
              "cpu_ms": 99.1,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 74.5,
              "best_ms": 73.5,
              "rss_mib": 4.14,
              "cpu_ms": 72.8,
              "bytes": 2492530
            },
            "clang -O1": {
              "wall_ms": 50.8,
              "best_ms": 50.7,
              "rss_mib": 1.59,
              "cpu_ms": 49.0,
              "bytes": 33520
            },
            "clang -O2": {
              "wall_ms": 51.6,
              "best_ms": 51.0,
              "rss_mib": 1.61,
              "cpu_ms": 49.7,
              "bytes": 33520
            },
            "clang -O3": {
              "wall_ms": 51.7,
              "best_ms": 51.2,
              "rss_mib": 1.61,
              "cpu_ms": 49.7,
              "bytes": 33520
            },
            "rustc -O1": {
              "wall_ms": 53.1,
              "best_ms": 52.5,
              "rss_mib": 1.78,
              "cpu_ms": 51.3,
              "bytes": 442896
            },
            "rustc -O2": {
              "wall_ms": 52.4,
              "best_ms": 52.0,
              "rss_mib": 1.78,
              "cpu_ms": 50.8,
              "bytes": 442896
            },
            "rustc -O3": {
              "wall_ms": 52.5,
              "best_ms": 52.1,
              "rss_mib": 1.78,
              "cpu_ms": 50.7,
              "bytes": 442896
            },
            "swiftc -O": {
              "wall_ms": 78.7,
              "best_ms": 77.2,
              "rss_mib": 5.73,
              "cpu_ms": 75.8,
              "bytes": 55408
            }
          }
        },
        {
          "name": "md5_chain",
          "desc_zh": "MD5 散列计算链",
          "desc_en": "MD5 digest chain",
          "category": "crypto",
          "xu_wall_ms": 46.9,
          "xu_best_ms": 46.8,
          "xu_rss_mib": 1.48,
          "xu_bytes": 82400,
          "c_wall_ms": 14.2,
          "rust_wall_ms": 20.8,
          "go_wall_ms": 19.1,
          "swift_wall_ms": 1445.1,
          "ratio_vs_c": 3.3,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 2.46,
          "ratio_vs_swift": 0.03,
          "implementations": {
            "Xu": {
              "wall_ms": 46.9,
              "best_ms": 46.8,
              "rss_mib": 1.48,
              "cpu_ms": 45.2,
              "bytes": 82400
            },
            "go build": {
              "wall_ms": 19.1,
              "best_ms": 18.5,
              "rss_mib": 7.33,
              "cpu_ms": 17.5,
              "bytes": 2673042
            },
            "clang -O1": {
              "wall_ms": 15.7,
              "best_ms": 15.3,
              "rss_mib": 1.58,
              "cpu_ms": 14.0,
              "bytes": 33696
            },
            "clang -O2": {
              "wall_ms": 15.5,
              "best_ms": 15.3,
              "rss_mib": 1.58,
              "cpu_ms": 13.8,
              "bytes": 33696
            },
            "clang -O3": {
              "wall_ms": 14.2,
              "best_ms": 13.7,
              "rss_mib": 1.59,
              "cpu_ms": 12.7,
              "bytes": 33696
            },
            "rustc -O1": {
              "wall_ms": 23.0,
              "best_ms": 22.5,
              "rss_mib": 1.8,
              "cpu_ms": 21.1,
              "bytes": 459536
            },
            "rustc -O2": {
              "wall_ms": 20.6,
              "best_ms": 20.2,
              "rss_mib": 1.8,
              "cpu_ms": 19.0,
              "bytes": 459344
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            "rustc -O3": {
              "wall_ms": 20.8,
              "best_ms": 20.6,
              "rss_mib": 1.8,
              "cpu_ms": 19.0,
              "bytes": 459344
            },
            "swiftc -O": {
              "wall_ms": 1445.1,
              "best_ms": 1442.0,
              "rss_mib": 6.08,
              "cpu_ms": 1440.3,
              "bytes": 60928
            }
          }
        },
        {
          "name": "quicksort_hoare",
          "desc_zh": "Hoare 双指针快排",
          "desc_en": "Hoare quicksort",
          "category": "algo",
          "xu_wall_ms": 69.1,
          "xu_best_ms": 68.7,
          "xu_rss_mib": 2.66,
          "xu_bytes": 49568,
          "c_wall_ms": 35.6,
          "rust_wall_ms": 35.6,
          "go_wall_ms": 37.7,
          "swift_wall_ms": 40.7,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.94,
          "ratio_vs_go": 1.83,
          "ratio_vs_swift": 1.7,
          "implementations": {
            "Xu": {
              "wall_ms": 69.1,
              "best_ms": 68.7,
              "rss_mib": 2.66,
              "cpu_ms": 67.2,
              "bytes": 49568
            },
            "go build": {
              "wall_ms": 37.7,
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        },
        {
          "name": "lru_cache",
          "desc_zh": "LRU 双向链表淘汰缓存",
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          }
        },
        {
          "name": "bloom_filter",
          "desc_zh": "布隆过滤器位图查验",
          "desc_en": "Bloom filter bitmap",
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          }
        },
        {
          "name": "aes128_encrypt",
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          "desc_en": "AES-128 software encrypt",
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            "go build": {
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            "clang -O1": {
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            "clang -O2": {
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            "clang -O3": {
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            "rustc -O1": {
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              "bytes": 488216
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            "rustc -O3": {
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              "rss_mib": 1.58,
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            "swiftc -O": {
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              "cpu_ms": 48.9,
              "bytes": 55856
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          }
        },
        {
          "name": "aes128_decrypt",
          "desc_zh": "AES-128 软件解密",
          "desc_en": "AES-128 software decrypt",
          "category": "crypto",
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              "bytes": 246560
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            "xu --no-opt": {
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            "go build": {
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              "best_ms": 61.5,
              "rss_mib": 9.97,
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              "bytes": 2509586
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            "clang -O0": {
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            "clang -O1": {
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            "clang -O2": {
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            "clang -O3": {
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            "rustc -O0": {
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            "rustc -O1": {
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            "rustc -O2": {
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              "bytes": 460568
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            "rustc -O3": {
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              "bytes": 460392
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            "swiftc -Onone": {
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            "swiftc -O": {
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              "cpu_ms": 63.2,
              "bytes": 55840
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          }
        },
        {
          "name": "aes128_key_setup",
          "desc_zh": "AES-128 密钥扩展",
          "desc_en": "AES-128 key expansion",
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              "best_ms": 34.9,
              "rss_mib": 1.52,
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              "bytes": 230144
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            "xu --no-opt": {
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            "go build": {
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            "clang -O0": {
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            "clang -O1": {
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            "clang -O2": {
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            "clang -O3": {
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            "rustc -O0": {
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            "rustc -O1": {
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            "rustc -O2": {
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              "cpu_ms": 24.2,
              "bytes": 460584
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            "rustc -O3": {
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              "bytes": 460392
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            "swiftc -Onone": {
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              "best_ms": 823.0,
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            "swiftc -O": {
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              "cpu_ms": 25.3,
              "bytes": 55944
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          }
        },
        {
          "name": "aes192_encrypt",
          "desc_zh": "AES-192 软件加密",
          "desc_en": "AES-192 software encrypt",
          "category": "crypto",
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          "xu_best_ms": 5.5,
          "xu_rss_mib": 1.53,
          "xu_bytes": 246560,
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          "ratio_vs_swift": 0.09,
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              "best_ms": 5.5,
              "rss_mib": 1.53,
              "cpu_ms": 4.3,
              "bytes": 246560
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            "xu --no-opt": {
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              "best_ms": 6.2,
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              "bytes": 246560
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            "go build": {
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              "best_ms": 55.3,
              "rss_mib": 10.02,
              "cpu_ms": 55.4,
              "bytes": 2509586
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            "clang -O0": {
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              "bytes": 34080
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            "clang -O1": {
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              "cpu_ms": 41.8,
              "bytes": 33648
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            "clang -O2": {
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            "clang -O3": {
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              "best_ms": 26.0,
              "rss_mib": 1.62,
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            "rustc -O0": {
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              "bytes": 459640
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            "rustc -O2": {
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              "cpu_ms": 47.0,
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            "rustc -O3": {
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              "rss_mib": 1.8,
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            "swiftc -Onone": {
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              "best_ms": 6873.2,
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              "bytes": 75928
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            "swiftc -O": {
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              "cpu_ms": 58.7,
              "bytes": 55840
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          }
        },
        {
          "name": "aes192_decrypt",
          "desc_zh": "AES-192 软件解密",
          "desc_en": "AES-192 software decrypt",
          "category": "crypto",
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          "xu_best_ms": 5.7,
          "xu_rss_mib": 1.53,
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          "swift_wall_ms": 70.2,
          "ratio_vs_c": 0.12,
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          "ratio_vs_go": 0.08,
          "ratio_vs_swift": 0.09,
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              "best_ms": 5.7,
              "rss_mib": 1.53,
              "cpu_ms": 4.4,
              "bytes": 246560
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            "xu --no-opt": {
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              "best_ms": 5.7,
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              "bytes": 246560
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              "best_ms": 71.7,
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            "clang -O0": {
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              "bytes": 34080
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            "clang -O1": {
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              "bytes": 33648
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            "clang -O2": {
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              "bytes": 508488
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              "bytes": 459640
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              "bytes": 460568
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              "bytes": 460392
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            "swiftc -Onone": {
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              "bytes": 75928
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            "swiftc -O": {
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              "cpu_ms": 68.5,
              "bytes": 55840
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          }
        },
        {
          "name": "aes192_key_setup",
          "desc_zh": "AES-192 密钥扩展",
          "desc_en": "AES-192 key expansion",
          "category": "crypto",
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          "xu_best_ms": 40.4,
          "xu_rss_mib": 1.52,
          "xu_bytes": 230144,
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          "rust_wall_ms": 21.9,
          "go_wall_ms": 33.3,
          "swift_wall_ms": 27.4,
          "ratio_vs_c": 1.65,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.23,
          "ratio_vs_swift": 1.49,
          "implementations": {
            "Xu": {
              "wall_ms": 40.8,
              "best_ms": 40.4,
              "rss_mib": 1.52,
              "cpu_ms": 38.9,
              "bytes": 230144
            },
            "xu --no-opt": {
              "wall_ms": 39.8,
              "best_ms": 39.3,
              "rss_mib": 1.5,
              "cpu_ms": 38.1,
              "bytes": 246560
            },
            "go build": {
              "wall_ms": 33.3,
              "best_ms": 32.6,
              "rss_mib": 10.48,
              "cpu_ms": 38.5,
              "bytes": 2509586
            },
            "clang -O0": {
              "wall_ms": 68.0,
              "best_ms": 67.4,
              "rss_mib": 1.7,
              "cpu_ms": 66.2,
              "bytes": 34088
            },
            "clang -O1": {
              "wall_ms": 27.0,
              "best_ms": 26.9,
              "rss_mib": 1.91,
              "cpu_ms": 25.4,
              "bytes": 33576
            },
            "clang -O2": {
              "wall_ms": 24.9,
              "best_ms": 24.4,
              "rss_mib": 1.86,
              "cpu_ms": 23.3,
              "bytes": 33624
            },
            "clang -O3": {
              "wall_ms": 24.8,
              "best_ms": 24.5,
              "rss_mib": 1.86,
              "cpu_ms": 23.1,
              "bytes": 33624
            },
            "rustc -O0": {
              "wall_ms": 187.6,
              "best_ms": 186.7,
              "rss_mib": 1.95,
              "cpu_ms": 185.6,
              "bytes": 508520
            },
            "rustc -O1": {
              "wall_ms": 27.7,
              "best_ms": 27.5,
              "rss_mib": 1.89,
              "cpu_ms": 25.8,
              "bytes": 459560
            },
            "rustc -O2": {
              "wall_ms": 24.9,
              "best_ms": 24.7,
              "rss_mib": 1.92,
              "cpu_ms": 23.4,
              "bytes": 460584
            },
            "rustc -O3": {
              "wall_ms": 21.9,
              "best_ms": 21.8,
              "rss_mib": 1.91,
              "cpu_ms": 20.4,
              "bytes": 460392
            },
            "swiftc -Onone": {
              "wall_ms": 838.7,
              "best_ms": 833.0,
              "rss_mib": 2.19,
              "cpu_ms": 835.3,
              "bytes": 76008
            },
            "swiftc -O": {
              "wall_ms": 27.4,
              "best_ms": 27.0,
              "rss_mib": 2.0,
              "cpu_ms": 25.5,
              "bytes": 55944
            }
          }
        },
        {
          "name": "aes256_encrypt",
          "desc_zh": "AES-256 软件加密",
          "desc_en": "AES-256 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 5.8,
          "xu_best_ms": 5.7,
          "xu_rss_mib": 1.53,
          "xu_bytes": 246560,
          "c_wall_ms": 28.6,
          "rust_wall_ms": 34.7,
          "go_wall_ms": 62.0,
          "swift_wall_ms": 66.6,
          "ratio_vs_c": 0.2,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09,
          "implementations": {
            "Xu": {
              "wall_ms": 5.8,
              "best_ms": 5.7,
              "rss_mib": 1.53,
              "cpu_ms": 4.5,
              "bytes": 246560
            },
            "xu --no-opt": {
              "wall_ms": 6.0,
              "best_ms": 5.8,
              "rss_mib": 1.53,
              "cpu_ms": 4.5,
              "bytes": 246560
            },
            "go build": {
              "wall_ms": 62.0,
              "best_ms": 61.9,
              "rss_mib": 9.61,
              "cpu_ms": 62.0,
              "bytes": 2509586
            },
            "clang -O0": {
              "wall_ms": 208.8,
              "best_ms": 208.6,
              "rss_mib": 1.64,
              "cpu_ms": 206.8,
              "bytes": 34080
            },
            "clang -O1": {
              "wall_ms": 48.4,
              "best_ms": 48.0,
              "rss_mib": 1.64,
              "cpu_ms": 46.5,
              "bytes": 33648
            },
            "clang -O2": {
              "wall_ms": 45.9,
              "best_ms": 44.3,
              "rss_mib": 1.64,
              "cpu_ms": 44.1,
              "bytes": 33648
            },
            "clang -O3": {
              "wall_ms": 28.6,
              "best_ms": 27.5,
              "rss_mib": 1.64,
              "cpu_ms": 26.9,
              "bytes": 33648
            },
            "rustc -O0": {
              "wall_ms": 1377.9,
              "best_ms": 1373.1,
              "rss_mib": 1.86,
              "cpu_ms": 1371.6,
              "bytes": 508488
            },
            "rustc -O1": {
              "wall_ms": 63.7,
              "best_ms": 63.4,
              "rss_mib": 1.81,
              "cpu_ms": 62.0,
              "bytes": 459640
            },
            "rustc -O2": {
              "wall_ms": 53.7,
              "best_ms": 53.4,
              "rss_mib": 1.84,
              "cpu_ms": 52.1,
              "bytes": 460568
            },
            "rustc -O3": {
              "wall_ms": 34.7,
              "best_ms": 34.3,
              "rss_mib": 1.81,
              "cpu_ms": 33.0,
              "bytes": 460392
            },
            "swiftc -Onone": {
              "wall_ms": 7886.4,
              "best_ms": 7874.0,
              "rss_mib": 2.11,
              "cpu_ms": 7864.8,
              "bytes": 75928
            },
            "swiftc -O": {
              "wall_ms": 66.6,
              "best_ms": 65.7,
              "rss_mib": 1.92,
              "cpu_ms": 64.5,
              "bytes": 55840
            }
          }
        },
        {
          "name": "aes256_decrypt",
          "desc_zh": "AES-256 软件解密",
          "desc_en": "AES-256 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.0,
          "xu_best_ms": 5.8,
          "xu_rss_mib": 1.53,
          "xu_bytes": 246560,
          "c_wall_ms": 56.0,
          "rust_wall_ms": 61.7,
          "go_wall_ms": 82.4,
          "swift_wall_ms": 82.4,
          "ratio_vs_c": 0.11,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.07,
          "implementations": {
            "Xu": {
              "wall_ms": 6.0,
              "best_ms": 5.8,
              "rss_mib": 1.53,
              "cpu_ms": 4.6,
              "bytes": 246560
            },
            "xu --no-opt": {
              "wall_ms": 5.8,
              "best_ms": 5.7,
              "rss_mib": 1.53,
              "cpu_ms": 4.5,
              "bytes": 246560
            },
            "go build": {
              "wall_ms": 82.4,
              "best_ms": 82.1,
              "rss_mib": 9.8,
              "cpu_ms": 82.5,
              "bytes": 2509586
            },
            "clang -O0": {
              "wall_ms": 370.9,
              "best_ms": 367.1,
              "rss_mib": 1.62,
              "cpu_ms": 368.0,
              "bytes": 34080
            },
            "clang -O1": {
              "wall_ms": 64.4,
              "best_ms": 63.7,
              "rss_mib": 1.62,
              "cpu_ms": 62.5,
              "bytes": 33648
            },
            "clang -O2": {
              "wall_ms": 59.6,
              "best_ms": 59.2,
              "rss_mib": 1.64,
              "cpu_ms": 57.6,
              "bytes": 33648
            },
            "clang -O3": {
              "wall_ms": 56.0,
              "best_ms": 55.3,
              "rss_mib": 1.64,
              "cpu_ms": 54.2,
              "bytes": 33648
            },
            "rustc -O0": {
              "wall_ms": 1587.3,
              "best_ms": 1582.7,
              "rss_mib": 1.84,
              "cpu_ms": 1582.3,
              "bytes": 508488
            },
            "rustc -O1": {
              "wall_ms": 81.2,
              "best_ms": 80.2,
              "rss_mib": 1.83,
              "cpu_ms": 79.5,
              "bytes": 459640
            },
            "rustc -O2": {
              "wall_ms": 74.1,
              "best_ms": 73.9,
              "rss_mib": 1.84,
              "cpu_ms": 72.4,
              "bytes": 460568
            },
            "rustc -O3": {
              "wall_ms": 61.7,
              "best_ms": 61.3,
              "rss_mib": 1.81,
              "cpu_ms": 59.9,
              "bytes": 460392
            },
            "swiftc -Onone": {
              "wall_ms": 8236.9,
              "best_ms": 8226.3,
              "rss_mib": 2.12,
              "cpu_ms": 8219.0,
              "bytes": 75928
            },
            "swiftc -O": {
              "wall_ms": 82.4,
              "best_ms": 81.4,
              "rss_mib": 1.92,
              "cpu_ms": 80.5,
              "bytes": 55840
            }
          }
        },
        {
          "name": "aes256_key_setup",
          "desc_zh": "AES-256 密钥扩展",
          "desc_en": "AES-256 key expansion",
          "category": "crypto",
          "xu_wall_ms": 45.9,
          "xu_best_ms": 45.5,
          "xu_rss_mib": 1.52,
          "xu_bytes": 230144,
          "c_wall_ms": 25.4,
          "rust_wall_ms": 22.6,
          "go_wall_ms": 33.5,
          "swift_wall_ms": 27.8,
          "ratio_vs_c": 1.81,
          "ratio_vs_rust": 2.03,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.65,
          "implementations": {
            "Xu": {
              "wall_ms": 45.9,
              "best_ms": 45.5,
              "rss_mib": 1.52,
              "cpu_ms": 43.9,
              "bytes": 230144
            },
            "xu --no-opt": {
              "wall_ms": 45.3,
              "best_ms": 45.2,
              "rss_mib": 1.5,
              "cpu_ms": 43.7,
              "bytes": 246560
            },
            "go build": {
              "wall_ms": 33.5,
              "best_ms": 32.7,
              "rss_mib": 10.47,
              "cpu_ms": 37.8,
              "bytes": 2509586
            },
            "clang -O0": {
              "wall_ms": 68.5,
              "best_ms": 68.0,
              "rss_mib": 1.7,
              "cpu_ms": 66.8,
              "bytes": 34088
            },
            "clang -O1": {
              "wall_ms": 27.7,
              "best_ms": 27.4,
              "rss_mib": 1.8,
              "cpu_ms": 25.9,
              "bytes": 33576
            },
            "clang -O2": {
              "wall_ms": 25.0,
              "best_ms": 24.8,
              "rss_mib": 1.81,
              "cpu_ms": 23.4,
              "bytes": 33624
            },
            "clang -O3": {
              "wall_ms": 25.4,
              "best_ms": 25.0,
              "rss_mib": 1.83,
              "cpu_ms": 23.7,
              "bytes": 33624
            },
            "rustc -O0": {
              "wall_ms": 194.5,
              "best_ms": 193.4,
              "rss_mib": 1.94,
              "cpu_ms": 192.2,
              "bytes": 508520
            },
            "rustc -O1": {
              "wall_ms": 27.6,
              "best_ms": 27.1,
              "rss_mib": 1.88,
              "cpu_ms": 25.9,
              "bytes": 459560
            },
            "rustc -O2": {
              "wall_ms": 26.0,
              "best_ms": 25.7,
              "rss_mib": 1.92,
              "cpu_ms": 24.1,
              "bytes": 460584
            },
            "rustc -O3": {
              "wall_ms": 22.6,
              "best_ms": 22.4,
              "rss_mib": 1.91,
              "cpu_ms": 20.9,
              "bytes": 460392
            },
            "swiftc -Onone": {
              "wall_ms": 857.1,
              "best_ms": 855.0,
              "rss_mib": 2.19,
              "cpu_ms": 853.3,
              "bytes": 76008
            },
            "swiftc -O": {
              "wall_ms": 27.8,
              "best_ms": 27.6,
              "rss_mib": 2.02,
              "cpu_ms": 26.0,
              "bytes": 55944
            }
          }
        }
      ],
      "footprint": [
        {
          "impl": "Xu",
          "rss": "1.45 – 17.45",
          "size": "32.4 – 433.4",
          "gc_zh": "零 GC · 编译期借用与 RAII 确定性析构",
          "gc_en": "Zero GC / RAII Scope Drop"
        },
        {
          "impl": "Clang -O3",
          "rss": "1.58 – 18.95",
          "size": "16.5 – 33.2",
          "gc_zh": "手动 free / 无运行时开销",
          "gc_en": "Manual Free / Zero Runtime"
        },
        {
          "impl": "rustc -O3",
          "rss": "1.69 – 19.16",
          "size": "428.9 – 524.2",
          "gc_zh": "零 GC · 所有权生命周期与 Drop",
          "gc_en": "Zero GC / Ownership Drop"
        },
        {
          "impl": "Swift -O",
          "rss": "1.59 – 41.27",
          "size": "32.7 – 60.1",
          "gc_zh": "ARC 自动引用计数运行时",
          "gc_en": "ARC (Automatic Reference Counting)"
        },
        {
          "impl": "Go build",
          "rss": "3.48 – 45.67",
          "size": "1708.2 – 2610.7",
          "gc_zh": "并发三色标记清除 GC 运行时",
          "gc_en": "Concurrent Tracing GC Runtime"
        }
      ]
    },
    "linux-arm64": {
      "platform_id": "linux-arm64",
      "name_zh": "Linux (Ubuntu · ARM64)",
      "name_en": "Linux (Ubuntu · ARM64)",
      "os": "Linux",
      "arch": "arm64",
      "chip": "ARM Neoverse-N2 (4 vCPU / AArch64)",
      "icon": "xi-linux",
      "startup_ms": 3.6,
      "rss_range": "1.5 – 18.2 MiB",
      "size_range": "33.8 – 438.1 KiB",
      "benches": [
        {
          "name": "startup",
          "desc_zh": "进程启动/空 main",
          "desc_en": "Process startup / empty main",
          "category": "control",
          "xu_wall_ms": 0.3,
          "xu_best_ms": 0.3,
          "xu_rss_mib": 23.3,
          "xu_bytes": 22768,
          "c_wall_ms": 0.5,
          "rust_wall_ms": 0.7,
          "go_wall_ms": 1.2,
          "swift_wall_ms": 3.89,
          "ratio_vs_c": 0.6,
          "ratio_vs_rust": 0.43,
          "ratio_vs_go": 0.25,
          "ratio_vs_swift": 0.95,
          "implementations": {
            "Xu": {
              "wall_ms": 0.3,
              "best_ms": 0.3,
              "rss_mib": 23.3,
              "cpu_ms": 0.2,
              "bytes": 22768
            },
            "go build": {
              "wall_ms": 1.2,
              "best_ms": 1.1,
              "rss_mib": 23.3,
              "cpu_ms": 1.2,
              "bytes": 1867590
            },
            "clang -O1": {
              "wall_ms": 0.6,
              "best_ms": 0.5,
              "rss_mib": 23.3,
              "cpu_ms": 0.4,
              "bytes": 70464
            },
            "clang -O2": {
              "wall_ms": 0.5,
              "best_ms": 0.5,
              "rss_mib": 23.3,
              "cpu_ms": 0.4,
              "bytes": 70464
            },
            "clang -O3": {
              "wall_ms": 0.5,
              "best_ms": 0.5,
              "rss_mib": 23.3,
              "cpu_ms": 0.4,
              "bytes": 70464
            },
            "rustc -O1": {
              "wall_ms": 0.7,
              "best_ms": 0.6,
              "rss_mib": 23.3,
              "cpu_ms": 0.6,
              "bytes": 4617008
            },
            "rustc -O2": {
              "wall_ms": 0.6,
              "best_ms": 0.6,
              "rss_mib": 23.3,
              "cpu_ms": 0.5,
              "bytes": 4617008
            },
            "rustc -O3": {
              "wall_ms": 0.7,
              "best_ms": 0.6,
              "rss_mib": 23.3,
              "cpu_ms": 0.6,
              "bytes": 4617008
            },
            "swiftc -O": {
              "wall_ms": 2.1,
              "best_ms": 2.0,
              "rss_mib": 23.3,
              "cpu_ms": 2.0,
              "bytes": 73312
            }
          }
        },
        {
          "name": "loop_sum",
          "desc_zh": "整数累加循环",
          "desc_en": "Integer loop accumulation",
          "category": "control",
          "xu_wall_ms": 11.6,
          "xu_best_ms": 11.5,
          "xu_rss_mib": 23.3,
          "xu_bytes": 22800,
          "c_wall_ms": 13.3,
          "rust_wall_ms": 12.1,
          "go_wall_ms": 24.0,
          "swift_wall_ms": 21.84,
          "ratio_vs_c": 0.87,
          "ratio_vs_rust": 0.96,
          "ratio_vs_go": 0.48,
          "ratio_vs_swift": 0.5,
          "implementations": {
            "Xu": {
              "wall_ms": 11.6,
              "best_ms": 11.5,
              "rss_mib": 23.3,
              "cpu_ms": 11.4,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 24.0,
              "best_ms": 24.0,
              "rss_mib": 23.3,
              "cpu_ms": 24.1,
              "bytes": 2342685
            },
            "clang -O1": {
              "wall_ms": 25.9,
              "best_ms": 25.9,
              "rss_mib": 23.3,
              "cpu_ms": 25.7,
              "bytes": 70544
            },
            "clang -O2": {
              "wall_ms": 13.4,
              "best_ms": 13.3,
              "rss_mib": 23.3,
              "cpu_ms": 13.2,
              "bytes": 70568
            },
            "clang -O3": {
              "wall_ms": 13.3,
              "best_ms": 13.3,
              "rss_mib": 23.3,
              "cpu_ms": 13.2,
              "bytes": 70568
            },
            "rustc -O1": {
              "wall_ms": 25.9,
              "best_ms": 25.6,
              "rss_mib": 23.3,
              "cpu_ms": 25.7,
              "bytes": 4620808
            },
            "rustc -O2": {
              "wall_ms": 12.1,
              "best_ms": 12.0,
              "rss_mib": 23.3,
              "cpu_ms": 11.9,
              "bytes": 4620856
            },
            "rustc -O3": {
              "wall_ms": 12.1,
              "best_ms": 12.1,
              "rss_mib": 23.3,
              "cpu_ms": 11.9,
              "bytes": 4620856
            },
            "swiftc -O": {
              "wall_ms": 28.0,
              "best_ms": 27.9,
              "rss_mib": 23.3,
              "cpu_ms": 27.7,
              "bytes": 74160
            }
          }
        },
        {
          "name": "fib",
          "desc_zh": "递归调用 (fib 35)",
          "desc_en": "Recursive call (fib 35)",
          "category": "control",
          "xu_wall_ms": 44.6,
          "xu_best_ms": 44.4,
          "xu_rss_mib": 23.3,
          "xu_bytes": 22800,
          "c_wall_ms": 13.7,
          "rust_wall_ms": 13.9,
          "go_wall_ms": 18.9,
          "swift_wall_ms": 28.35,
          "ratio_vs_c": 3.26,
          "ratio_vs_rust": 3.21,
          "ratio_vs_go": 2.36,
          "ratio_vs_swift": 1.2,
          "implementations": {
            "Xu": {
              "wall_ms": 44.6,
              "best_ms": 44.4,
              "rss_mib": 23.3,
              "cpu_ms": 44.4,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 18.9,
              "best_ms": 18.6,
              "rss_mib": 23.3,
              "cpu_ms": 19.0,
              "bytes": 2342766
            },
            "clang -O1": {
              "wall_ms": 13.0,
              "best_ms": 12.9,
              "rss_mib": 23.3,
              "cpu_ms": 12.7,
              "bytes": 70560
            },
            "clang -O2": {
              "wall_ms": 14.4,
              "best_ms": 14.3,
              "rss_mib": 23.3,
              "cpu_ms": 14.2,
              "bytes": 70560
            },
            "clang -O3": {
              "wall_ms": 13.7,
              "best_ms": 13.6,
              "rss_mib": 23.3,
              "cpu_ms": 13.5,
              "bytes": 70560
            },
            "rustc -O1": {
              "wall_ms": 12.8,
              "best_ms": 12.7,
              "rss_mib": 23.3,
              "cpu_ms": 12.6,
              "bytes": 4620864
            },
            "rustc -O2": {
              "wall_ms": 14.1,
              "best_ms": 14.1,
              "rss_mib": 23.3,
              "cpu_ms": 13.9,
              "bytes": 4620888
            },
            "rustc -O3": {
              "wall_ms": 13.9,
              "best_ms": 13.8,
              "rss_mib": 23.3,
              "cpu_ms": 13.7,
              "bytes": 4620864
            },
            "swiftc -O": {
              "wall_ms": 22.4,
              "best_ms": 22.3,
              "rss_mib": 23.3,
              "cpu_ms": 22.2,
              "bytes": 74024
            }
          }
        },
        {
          "name": "nested_loop",
          "desc_zh": "深度嵌套循环",
          "desc_en": "Deeply nested loops",
          "category": "control",
          "xu_wall_ms": 2.5,
          "xu_best_ms": 2.4,
          "xu_rss_mib": 23.3,
          "xu_bytes": 22800,
          "c_wall_ms": 25.2,
          "rust_wall_ms": 25.2,
          "go_wall_ms": 40.7,
          "swift_wall_ms": 26.46,
          "ratio_vs_c": 0.1,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.06,
          "ratio_vs_swift": 0.23,
          "implementations": {
            "Xu": {
              "wall_ms": 2.5,
              "best_ms": 2.4,
              "rss_mib": 23.3,
              "cpu_ms": 2.3,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 40.7,
              "best_ms": 40.5,
              "rss_mib": 23.3,
              "cpu_ms": 40.8,
              "bytes": 2342709
            },
            "clang -O1": {
              "wall_ms": 31.9,
              "best_ms": 31.9,
              "rss_mib": 23.3,
              "cpu_ms": 31.7,
              "bytes": 70544
            },
            "clang -O2": {
              "wall_ms": 25.4,
              "best_ms": 25.2,
              "rss_mib": 23.3,
              "cpu_ms": 25.2,
              "bytes": 70544
            },
            "clang -O3": {
              "wall_ms": 25.2,
              "best_ms": 25.0,
              "rss_mib": 23.3,
              "cpu_ms": 25.0,
              "bytes": 70544
            },
            "rustc -O1": {
              "wall_ms": 32.2,
              "best_ms": 32.2,
              "rss_mib": 23.3,
              "cpu_ms": 32.0,
              "bytes": 4620832
            },
            "rustc -O2": {
              "wall_ms": 25.2,
              "best_ms": 25.2,
              "rss_mib": 23.3,
              "cpu_ms": 25.0,
              "bytes": 4620856
            },
            "rustc -O3": {
              "wall_ms": 25.2,
              "best_ms": 25.2,
              "rss_mib": 23.3,
              "cpu_ms": 25.0,
              "bytes": 4620856
            },
            "swiftc -O": {
              "wall_ms": 37.3,
              "best_ms": 37.2,
              "rss_mib": 23.3,
              "cpu_ms": 37.1,
              "bytes": 74168
            }
          }
        },
        {
          "name": "method_sum",
          "desc_zh": "结构体方法调用",
          "desc_en": "Struct method dispatch",
          "category": "control",
          "xu_wall_ms": 2.2,
          "xu_best_ms": 2.2,
          "xu_rss_mib": 23.3,
          "xu_bytes": 22800,
          "c_wall_ms": 2.7,
          "rust_wall_ms": 2.4,
          "go_wall_ms": 15.8,
          "swift_wall_ms": 7.04,
          "ratio_vs_c": 0.81,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.14,
          "ratio_vs_swift": 0.67,
          "implementations": {
            "Xu": {
              "wall_ms": 2.2,
              "best_ms": 2.2,
              "rss_mib": 23.3,
              "cpu_ms": 2.0,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 15.8,
              "best_ms": 15.7,
              "rss_mib": 23.3,
              "cpu_ms": 15.9,
              "bytes": 2342669
            },
            "clang -O1": {
              "wall_ms": 4.7,
              "best_ms": 4.7,
              "rss_mib": 23.3,
              "cpu_ms": 4.6,
              "bytes": 70544
            },
            "clang -O2": {
              "wall_ms": 2.7,
              "best_ms": 2.7,
              "rss_mib": 23.3,
              "cpu_ms": 2.6,
              "bytes": 70568
            },
            "clang -O3": {
              "wall_ms": 2.7,
              "best_ms": 2.7,
              "rss_mib": 23.3,
              "cpu_ms": 2.5,
              "bytes": 70568
            },
            "rustc -O1": {
              "wall_ms": 4.9,
              "best_ms": 4.8,
              "rss_mib": 23.3,
              "cpu_ms": 4.7,
              "bytes": 4620824
            },
            "rustc -O2": {
              "wall_ms": 2.4,
              "best_ms": 2.4,
              "rss_mib": 23.3,
              "cpu_ms": 2.3,
              "bytes": 4620848
            },
            "rustc -O3": {
              "wall_ms": 2.4,
              "best_ms": 2.4,
              "rss_mib": 23.3,
              "cpu_ms": 2.3,
              "bytes": 4620848
            },
            "swiftc -O": {
              "wall_ms": 6.7,
              "best_ms": 6.6,
              "rss_mib": 23.3,
              "cpu_ms": 6.5,
              "bytes": 75312
            }
          }
        },
        {
          "name": "f64_sum",
          "desc_zh": "双精度浮点算术",
          "desc_en": "Float64 arithmetic",
          "category": "control",
          "xu_wall_ms": 18.1,
          "xu_best_ms": 16.9,
          "xu_rss_mib": 23.3,
          "xu_bytes": 22800,
          "c_wall_ms": 15.9,
          "rust_wall_ms": 15.6,
          "go_wall_ms": 14.3,
          "swift_wall_ms": 25.09,
          "ratio_vs_c": 1.14,
          "ratio_vs_rust": 1.16,
          "ratio_vs_go": 1.27,
          "ratio_vs_swift": 0.97,
          "implementations": {
            "Xu": {
              "wall_ms": 18.1,
              "best_ms": 16.9,
              "rss_mib": 23.3,
              "cpu_ms": 17.9,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 14.3,
              "best_ms": 14.1,
              "rss_mib": 23.3,
              "cpu_ms": 14.4,
              "bytes": 2342765
            },
            "clang -O1": {
              "wall_ms": 15.2,
              "best_ms": 15.0,
              "rss_mib": 23.3,
              "cpu_ms": 15.0,
              "bytes": 70536
            },
            "clang -O2": {
              "wall_ms": 15.9,
              "best_ms": 15.8,
              "rss_mib": 23.3,
              "cpu_ms": 15.7,
              "bytes": 70536
            },
            "clang -O3": {
              "wall_ms": 15.9,
              "best_ms": 15.8,
              "rss_mib": 23.3,
              "cpu_ms": 15.7,
              "bytes": 70536
            },
            "rustc -O1": {
              "wall_ms": 18.7,
              "best_ms": 18.7,
              "rss_mib": 23.3,
              "cpu_ms": 18.5,
              "bytes": 4620808
            },
            "rustc -O2": {
              "wall_ms": 15.6,
              "best_ms": 15.3,
              "rss_mib": 23.3,
              "cpu_ms": 15.4,
              "bytes": 4620832
            },
            "rustc -O3": {
              "wall_ms": 15.6,
              "best_ms": 15.5,
              "rss_mib": 23.3,
              "cpu_ms": 15.4,
              "bytes": 4620832
            },
            "swiftc -O": {
              "wall_ms": 17.6,
              "best_ms": 17.6,
              "rss_mib": 23.3,
              "cpu_ms": 17.4,
              "bytes": 74152
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          }
        },
        {
          "name": "matmul",
          "desc_zh": "矩阵乘法 (i64 matmul)",
          "desc_en": "Matrix multiplication",
          "category": "algo",
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          "xu_best_ms": 8.7,
          "xu_rss_mib": 23.3,
          "xu_bytes": 26920,
          "c_wall_ms": 8.7,
          "rust_wall_ms": 6.8,
          "go_wall_ms": 11.9,
          "swift_wall_ms": 60.69,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.29,
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          "ratio_vs_swift": 0.19,
          "implementations": {
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              "wall_ms": 8.8,
              "best_ms": 8.7,
              "rss_mib": 23.3,
              "cpu_ms": 8.6,
              "bytes": 26920
            },
            "go build": {
              "wall_ms": 11.9,
              "best_ms": 11.7,
              "rss_mib": 23.3,
              "cpu_ms": 11.9,
              "bytes": 2343317
            },
            "clang -O1": {
              "wall_ms": 8.6,
              "best_ms": 8.5,
              "rss_mib": 23.3,
              "cpu_ms": 8.4,
              "bytes": 70640
            },
            "clang -O2": {
              "wall_ms": 8.7,
              "best_ms": 8.6,
              "rss_mib": 23.3,
              "cpu_ms": 8.5,
              "bytes": 70640
            },
            "clang -O3": {
              "wall_ms": 8.7,
              "best_ms": 8.5,
              "rss_mib": 23.3,
              "cpu_ms": 8.5,
              "bytes": 70640
            },
            "rustc -O1": {
              "wall_ms": 15.8,
              "best_ms": 15.8,
              "rss_mib": 23.3,
              "cpu_ms": 15.6,
              "bytes": 4620992
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            "rustc -O2": {
              "wall_ms": 6.8,
              "best_ms": 6.6,
              "rss_mib": 23.3,
              "cpu_ms": 6.6,
              "bytes": 4620848
            },
            "rustc -O3": {
              "wall_ms": 6.8,
              "best_ms": 6.6,
              "rss_mib": 23.3,
              "cpu_ms": 6.7,
              "bytes": 4620848
            },
            "swiftc -O": {
              "wall_ms": 179.7,
              "best_ms": 179.3,
              "rss_mib": 23.3,
              "cpu_ms": 179.4,
              "bytes": 75360
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          }
        },
        {
          "name": "string_build",
          "desc_zh": "字符串扩容与构建",
          "desc_en": "String growth & scan",
          "category": "string",
          "xu_wall_ms": 1.8,
          "xu_best_ms": 1.8,
          "xu_rss_mib": 23.3,
          "xu_bytes": 26920,
          "c_wall_ms": 1.1,
          "rust_wall_ms": 1.3,
          "go_wall_ms": 4.1,
          "swift_wall_ms": 6.62,
          "ratio_vs_c": 1.64,
          "ratio_vs_rust": 1.38,
          "ratio_vs_go": 0.44,
          "ratio_vs_swift": 0.68,
          "implementations": {
            "Xu": {
              "wall_ms": 1.8,
              "best_ms": 1.8,
              "rss_mib": 23.3,
              "cpu_ms": 1.7,
              "bytes": 26920
            },
            "go build": {
              "wall_ms": 4.1,
              "best_ms": 3.9,
              "rss_mib": 23.3,
              "cpu_ms": 4.7,
              "bytes": 2344653
            },
            "clang -O1": {
              "wall_ms": 1.5,
              "best_ms": 1.4,
              "rss_mib": 23.3,
              "cpu_ms": 1.4,
              "bytes": 70696
            },
            "clang -O2": {
              "wall_ms": 1.1,
              "best_ms": 1.0,
              "rss_mib": 23.3,
              "cpu_ms": 1.0,
              "bytes": 70720
            },
            "clang -O3": {
              "wall_ms": 1.1,
              "best_ms": 1.1,
              "rss_mib": 23.3,
              "cpu_ms": 1.0,
              "bytes": 70720
            },
            "rustc -O1": {
              "wall_ms": 1.7,
              "best_ms": 1.6,
              "rss_mib": 23.3,
              "cpu_ms": 1.5,
              "bytes": 4621240
            },
            "rustc -O2": {
              "wall_ms": 1.3,
              "best_ms": 1.2,
              "rss_mib": 23.3,
              "cpu_ms": 1.2,
              "bytes": 4621272
            },
            "rustc -O3": {
              "wall_ms": 1.3,
              "best_ms": 1.2,
              "rss_mib": 23.3,
              "cpu_ms": 1.2,
              "bytes": 4621272
            },
            "swiftc -O": {
              "wall_ms": 5.5,
              "best_ms": 5.4,
              "rss_mib": 23.3,
              "cpu_ms": 5.3,
              "bytes": 75480
            }
          }
        },
        {
          "name": "string_repeat",
          "desc_zh": "字符串倍增复制",
          "desc_en": "String repeat & copy",
          "category": "string",
          "xu_wall_ms": 38.54,
          "xu_best_ms": 37.96,
          "xu_rss_mib": 1.67,
          "xu_bytes": 372332,
          "c_wall_ms": 12.5,
          "rust_wall_ms": 12.71,
          "go_wall_ms": 43.47,
          "swift_wall_ms": 143.96,
          "ratio_vs_c": 3.08,
          "ratio_vs_rust": 3.03,
          "ratio_vs_go": 0.89,
          "ratio_vs_swift": 0.27
        },
        {
          "name": "array_ops",
          "desc_zh": "动态数组扩容/索引",
          "desc_en": "Dynamic array growth",
          "category": "data",
          "xu_wall_ms": 5.99,
          "xu_best_ms": 5.51,
          "xu_rss_mib": 18.03,
          "xu_bytes": 51055,
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          "rust_wall_ms": 9.45,
          "go_wall_ms": 15.12,
          "swift_wall_ms": 14.7,
          "ratio_vs_c": 0.89,
          "ratio_vs_rust": 0.63,
          "ratio_vs_go": 0.4,
          "ratio_vs_swift": 0.41
        },
        {
          "name": "file_roundtrip",
          "desc_zh": "文件写入与读取 (32×512KiB)",
          "desc_en": "File roundtrip IO",
          "category": "string",
          "xu_wall_ms": 25.09,
          "xu_best_ms": 21.63,
          "xu_rss_mib": 4.0,
          "xu_bytes": 67963,
          "c_wall_ms": 19.64,
          "rust_wall_ms": 18.38,
          "go_wall_ms": 19.32,
          "swift_wall_ms": 21.84,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.37,
          "ratio_vs_go": 1.3,
          "ratio_vs_swift": 1.15
        },
        {
          "name": "sort_lcg",
          "desc_zh": "标准库快速排序",
          "desc_en": "Stdlib sort (LCG data)",
          "category": "algo",
          "xu_wall_ms": 7.98,
          "xu_best_ms": 7.38,
          "xu_rss_mib": 2.88,
          "xu_bytes": 101780,
          "c_wall_ms": 12.08,
          "rust_wall_ms": 5.25,
          "go_wall_ms": 12.08,
          "swift_wall_ms": 11.13,
          "ratio_vs_c": 0.66,
          "ratio_vs_rust": 1.52,
          "ratio_vs_go": 0.66,
          "ratio_vs_swift": 0.72
        },
        {
          "name": "algorithm_search",
          "desc_zh": "标准库二分查找",
          "desc_en": "Stdlib binary search",
          "category": "algo",
          "xu_wall_ms": 206.43,
          "xu_best_ms": 202.7,
          "xu_rss_mib": 2.88,
          "xu_bytes": 101780,
          "c_wall_ms": 163.38,
          "rust_wall_ms": 184.28,
          "go_wall_ms": 252.53,
          "swift_wall_ms": 289.17,
          "ratio_vs_c": 1.26,
          "ratio_vs_rust": 1.12,
          "ratio_vs_go": 0.82,
          "ratio_vs_swift": 0.71
        },
        {
          "name": "math_bits",
          "desc_zh": "位运算与硬件指令",
          "desc_en": "Bitwise ops (hardware popcount/clz)",
          "category": "algo",
          "xu_wall_ms": 10.5,
          "xu_best_ms": 10.3,
          "xu_rss_mib": 1.57,
          "xu_bytes": 67963,
          "c_wall_ms": 10.82,
          "rust_wall_ms": 11.45,
          "go_wall_ms": 11.97,
          "swift_wall_ms": 16.59,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.88,
          "ratio_vs_swift": 0.63
        },
        {
          "name": "sha256_chain",
          "desc_zh": "SHA-256 哈希链",
          "desc_en": "SHA-256 hash chain",
          "category": "crypto",
          "xu_wall_ms": 0.6,
          "xu_best_ms": 0.6,
          "xu_rss_mib": 23.3,
          "xu_bytes": 80768,
          "c_wall_ms": 1.7,
          "rust_wall_ms": 1.9,
          "go_wall_ms": 1.7,
          "swift_wall_ms": 6.93,
          "ratio_vs_c": 0.35,
          "ratio_vs_rust": 0.32,
          "ratio_vs_go": 0.35,
          "ratio_vs_swift": 0.53,
          "implementations": {
            "Xu": {
              "wall_ms": 0.6,
              "best_ms": 0.6,
              "rss_mib": 23.3,
              "cpu_ms": 0.5,
              "bytes": 80768
            },
            "go build": {
              "wall_ms": 1.7,
              "best_ms": 1.6,
              "rss_mib": 23.3,
              "cpu_ms": 1.8,
              "bytes": 2560342
            },
            "clang -O1": {
              "wall_ms": 1.9,
              "best_ms": 1.9,
              "rss_mib": 23.3,
              "cpu_ms": 1.8,
              "bytes": 70896
            },
            "clang -O2": {
              "wall_ms": 1.7,
              "best_ms": 1.7,
              "rss_mib": 23.3,
              "cpu_ms": 1.6,
              "bytes": 70896
            },
            "clang -O3": {
              "wall_ms": 1.7,
              "best_ms": 1.6,
              "rss_mib": 23.3,
              "cpu_ms": 1.5,
              "bytes": 70896
            },
            "rustc -O1": {
              "wall_ms": 1.8,
              "best_ms": 1.8,
              "rss_mib": 23.3,
              "cpu_ms": 1.7,
              "bytes": 4622016
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            "rustc -O2": {
              "wall_ms": 1.8,
              "best_ms": 1.8,
              "rss_mib": 23.3,
              "cpu_ms": 1.7,
              "bytes": 4621616
            },
            "rustc -O3": {
              "wall_ms": 1.9,
              "best_ms": 1.8,
              "rss_mib": 23.3,
              "cpu_ms": 1.7,
              "bytes": 4621616
            }
          }
        },
        {
          "name": "chan_ping",
          "desc_zh": "Channel 协程流水线",
          "desc_en": "Channel / Coroutine pipeline",
          "category": "concurrency",
          "xu_wall_ms": 37.2,
          "xu_best_ms": 36.9,
          "xu_rss_mib": 23.3,
          "xu_bytes": 40600,
          "c_wall_ms": null,
          "rust_wall_ms": 45.1,
          "go_wall_ms": 28.6,
          "swift_wall_ms": null,
          "ratio_vs_c": null,
          "ratio_vs_rust": 0.82,
          "ratio_vs_go": 1.3,
          "ratio_vs_swift": null,
          "implementations": {
            "Xu": {
              "wall_ms": 37.2,
              "best_ms": 36.9,
              "rss_mib": 23.3,
              "cpu_ms": 36.9,
              "bytes": 40600
            },
            "go build": {
              "wall_ms": 28.6,
              "best_ms": 28.4,
              "rss_mib": 23.3,
              "cpu_ms": 30.1,
              "bytes": 2342763
            },
            "rustc -O1": {
              "wall_ms": 45.8,
              "best_ms": 41.4,
              "rss_mib": 23.3,
              "cpu_ms": 69.2,
              "bytes": 4727744
            },
            "rustc -O2": {
              "wall_ms": 44.6,
              "best_ms": 36.4,
              "rss_mib": 23.3,
              "cpu_ms": 64.6,
              "bytes": 4728888
            },
            "rustc -O3": {
              "wall_ms": 45.1,
              "best_ms": 36.7,
              "rss_mib": 23.3,
              "cpu_ms": 65.8,
              "bytes": 4728504
            }
          }
        },
        {
          "name": "map_ops",
          "desc_zh": "哈希表高频读写",
          "desc_en": "Hash map insert / lookup",
          "category": "data",
          "xu_wall_ms": 23.31,
          "xu_best_ms": 22.36,
          "xu_rss_mib": 15.54,
          "xu_bytes": 84872,
          "c_wall_ms": 6.93,
          "rust_wall_ms": 11.87,
          "go_wall_ms": 15.02,
          "swift_wall_ms": 23.42,
          "ratio_vs_c": 3.36,
          "ratio_vs_rust": 1.96,
          "ratio_vs_go": 1.55,
          "ratio_vs_swift": 1.0
        },
        {
          "name": "iface_sum",
          "desc_zh": "接口动态派发",
          "desc_en": "Interface dynamic dispatch",
          "category": "control",
          "xu_wall_ms": 48.2,
          "xu_best_ms": 47.22,
          "xu_rss_mib": 1.57,
          "xu_bytes": 51055,
          "c_wall_ms": 19.01,
          "rust_wall_ms": 19.53,
          "go_wall_ms": 23.84,
          "swift_wall_ms": 46.94,
          "ratio_vs_c": 2.54,
          "ratio_vs_rust": 2.47,
          "ratio_vs_go": 2.02,
          "ratio_vs_swift": 1.03
        },
        {
          "name": "match_sum",
          "desc_zh": "密集模式匹配",
          "desc_en": "Dense pattern match / switch",
          "category": "control",
          "xu_wall_ms": 21.32,
          "xu_best_ms": 20.9,
          "xu_rss_mib": 1.57,
          "xu_bytes": 34146,
          "c_wall_ms": 16.8,
          "rust_wall_ms": 17.12,
          "go_wall_ms": 44.84,
          "swift_wall_ms": 39.69,
          "ratio_vs_c": 1.27,
          "ratio_vs_rust": 1.25,
          "ratio_vs_go": 0.48,
          "ratio_vs_swift": 0.54
        },
        {
          "name": "fn_val_sum",
          "desc_zh": "函数值一等公民调用",
          "desc_en": "First-class function call",
          "category": "control",
          "xu_wall_ms": 5.25,
          "xu_best_ms": 4.78,
          "xu_rss_mib": 1.57,
          "xu_bytes": 34146,
          "c_wall_ms": 5.04,
          "rust_wall_ms": 5.67,
          "go_wall_ms": 10.61,
          "swift_wall_ms": 34.55,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.49,
          "ratio_vs_swift": 0.15
        },
        {
          "name": "copy_bytes",
          "desc_zh": "块内存拷贝",
          "desc_en": "Block memory copy (load/store)",
          "category": "data",
          "xu_wall_ms": 8.4,
          "xu_best_ms": 8.0,
          "xu_rss_mib": 23.3,
          "xu_bytes": 26920,
          "c_wall_ms": 28.2,
          "rust_wall_ms": 28.3,
          "go_wall_ms": 38.2,
          "swift_wall_ms": 183.02,
          "ratio_vs_c": 0.3,
          "ratio_vs_rust": 0.3,
          "ratio_vs_go": 0.22,
          "ratio_vs_swift": 0.05,
          "implementations": {
            "Xu": {
              "wall_ms": 8.4,
              "best_ms": 8.0,
              "rss_mib": 23.3,
              "cpu_ms": 8.2,
              "bytes": 26920
            },
            "go build": {
              "wall_ms": 38.2,
              "best_ms": 37.5,
              "rss_mib": 23.3,
              "cpu_ms": 38.8,
              "bytes": 2342837
            },
            "clang -O1": {
              "wall_ms": 28.8,
              "best_ms": 28.1,
              "rss_mib": 23.3,
              "cpu_ms": 28.6,
              "bytes": 70688
            },
            "clang -O2": {
              "wall_ms": 28.9,
              "best_ms": 27.6,
              "rss_mib": 23.3,
              "cpu_ms": 28.7,
              "bytes": 70720
            },
            "clang -O3": {
              "wall_ms": 28.2,
              "best_ms": 27.7,
              "rss_mib": 23.3,
              "cpu_ms": 28.0,
              "bytes": 70720
            },
            "rustc -O1": {
              "wall_ms": 71.9,
              "best_ms": 71.5,
              "rss_mib": 23.3,
              "cpu_ms": 71.6,
              "bytes": 4620992
            },
            "rustc -O2": {
              "wall_ms": 28.7,
              "best_ms": 28.5,
              "rss_mib": 23.3,
              "cpu_ms": 28.5,
              "bytes": 4620896
            },
            "rustc -O3": {
              "wall_ms": 28.3,
              "best_ms": 27.9,
              "rss_mib": 23.3,
              "cpu_ms": 28.1,
              "bytes": 4620896
            },
            "swiftc -O": {
              "wall_ms": 206.5,
              "best_ms": 202.1,
              "rss_mib": 24.23,
              "cpu_ms": 206.2,
              "bytes": 75280
            }
          }
        },
        {
          "name": "sroa_vec3",
          "desc_zh": "三维向量字段归约 (SROA)",
          "desc_en": "3D vector SROA reduction",
          "category": "algo",
          "xu_wall_ms": 6.7,
          "xu_best_ms": 6.7,
          "xu_rss_mib": 23.3,
          "xu_bytes": 26912,
          "c_wall_ms": 8.6,
          "rust_wall_ms": 10.2,
          "go_wall_ms": 9.4,
          "swift_wall_ms": 15.33,
          "ratio_vs_c": 0.78,
          "ratio_vs_rust": 0.66,
          "ratio_vs_go": 0.71,
          "ratio_vs_swift": 0.58,
          "implementations": {
            "Xu": {
              "wall_ms": 6.7,
              "best_ms": 6.7,
              "rss_mib": 23.3,
              "cpu_ms": 6.6,
              "bytes": 26912
            },
            "go build": {
              "wall_ms": 9.4,
              "best_ms": 9.4,
              "rss_mib": 23.3,
              "cpu_ms": 9.5,
              "bytes": 2342685
            },
            "clang -O1": {
              "wall_ms": 8.7,
              "best_ms": 8.6,
              "rss_mib": 23.3,
              "cpu_ms": 8.5,
              "bytes": 70544
            },
            "clang -O2": {
              "wall_ms": 8.6,
              "best_ms": 8.5,
              "rss_mib": 23.3,
              "cpu_ms": 8.4,
              "bytes": 70544
            },
            "clang -O3": {
              "wall_ms": 8.6,
              "best_ms": 8.5,
              "rss_mib": 23.3,
              "cpu_ms": 8.4,
              "bytes": 70544
            },
            "rustc -O1": {
              "wall_ms": 10.1,
              "best_ms": 10.0,
              "rss_mib": 23.3,
              "cpu_ms": 9.8,
              "bytes": 4621032
            },
            "rustc -O2": {
              "wall_ms": 10.3,
              "best_ms": 10.0,
              "rss_mib": 23.3,
              "cpu_ms": 10.1,
              "bytes": 4621296
            },
            "rustc -O3": {
              "wall_ms": 10.2,
              "best_ms": 10.0,
              "rss_mib": 23.3,
              "cpu_ms": 10.0,
              "bytes": 4621296
            },
            "swiftc -O": {
              "wall_ms": 12.2,
              "best_ms": 12.1,
              "rss_mib": 23.3,
              "cpu_ms": 12.0,
              "bytes": 76672
            }
          }
        },
        {
          "name": "scan_dep",
          "desc_zh": "进位依赖链 prefix-add",
          "desc_en": "Carry dependency chain",
          "category": "algo",
          "xu_wall_ms": 60.27,
          "xu_best_ms": 59.18,
          "xu_rss_mib": 1.59,
          "xu_bytes": 51055,
          "c_wall_ms": 59.75,
          "rust_wall_ms": 60.16,
          "go_wall_ms": 219.77,
          "swift_wall_ms": 216.41,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.0,
          "ratio_vs_go": 0.27,
          "ratio_vs_swift": 0.28
        },
        {
          "name": "chase_index",
          "desc_zh": "数据依赖下标指针追逐",
          "desc_en": "Data-dependent index chasing",
          "category": "data",
          "xu_wall_ms": 119.91,
          "xu_best_ms": 118.04,
          "xu_rss_mib": 2.33,
          "xu_bytes": 51055,
          "c_wall_ms": 110.67,
          "rust_wall_ms": 113.72,
          "go_wall_ms": 111.51,
          "swift_wall_ms": 117.7,
          "ratio_vs_c": 1.08,
          "ratio_vs_rust": 1.05,
          "ratio_vs_go": 1.08,
          "ratio_vs_swift": 1.02
        },
        {
          "name": "sieve_primes",
          "desc_zh": "埃氏素数筛法",
          "desc_en": "Sieve of Eratosthenes",
          "category": "algo",
          "xu_wall_ms": 10.5,
          "xu_best_ms": 9.78,
          "xu_rss_mib": 18.03,
          "xu_bytes": 51055,
          "c_wall_ms": 10.19,
          "rust_wall_ms": 14.18,
          "go_wall_ms": 13.23,
          "swift_wall_ms": 14.8,
          "ratio_vs_c": 1.03,
          "ratio_vs_rust": 0.74,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.71
        },
        {
          "name": "crc32_iso",
          "desc_zh": "CRC32 校验和吞吐",
          "desc_en": "CRC32 stream checksum",
          "category": "crypto",
          "xu_wall_ms": 37.59,
          "xu_best_ms": 36.61,
          "xu_rss_mib": 2.87,
          "xu_bytes": 51055,
          "c_wall_ms": 20.68,
          "rust_wall_ms": 21.63,
          "go_wall_ms": 63.11,
          "swift_wall_ms": 21.95,
          "ratio_vs_c": 1.82,
          "ratio_vs_rust": 1.74,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 1.71
        },
        {
          "name": "builder",
          "desc_zh": "字符串构建器动态扩容",
          "desc_en": "String builder dynamic capacity",
          "category": "string",
          "xu_wall_ms": 5.78,
          "xu_best_ms": 5.3,
          "xu_rss_mib": 2.07,
          "xu_bytes": 372332,
          "c_wall_ms": 3.15,
          "rust_wall_ms": 3.99,
          "go_wall_ms": 4.94,
          "swift_wall_ms": 5.88,
          "ratio_vs_c": 1.83,
          "ratio_vs_rust": 1.45,
          "ratio_vs_go": 1.17,
          "ratio_vs_swift": 0.98
        },
        {
          "name": "byte_view",
          "desc_zh": "切片视图子串搜索",
          "desc_en": "String slice view & search",
          "category": "string",
          "xu_wall_ms": 3.46,
          "xu_best_ms": 3.12,
          "xu_rss_mib": 1.94,
          "xu_bytes": 372332,
          "c_wall_ms": 3.15,
          "rust_wall_ms": 3.78,
          "go_wall_ms": 4.41,
          "swift_wall_ms": 6.3,
          "ratio_vs_c": 1.1,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.78,
          "ratio_vs_swift": 0.55
        },
        {
          "name": "strings_io",
          "desc_zh": "字符串综合切分拼接",
          "desc_en": "Strings IO (repeat/split/join)",
          "category": "string",
          "xu_wall_ms": 108.99,
          "xu_best_ms": 107.22,
          "xu_rss_mib": 1.86,
          "xu_bytes": 457122,
          "c_wall_ms": 51.87,
          "rust_wall_ms": 69.3,
          "go_wall_ms": 200.45,
          "swift_wall_ms": 2634.55,
          "ratio_vs_c": 2.1,
          "ratio_vs_rust": 1.57,
          "ratio_vs_go": 0.54,
          "ratio_vs_swift": 0.04
        },
        {
          "name": "string_count",
          "desc_zh": "短串字节匹配计数",
          "desc_en": "Short string byte counting",
          "category": "string",
          "xu_wall_ms": 50.09,
          "xu_best_ms": 49.09,
          "xu_rss_mib": 1.6,
          "xu_bytes": 372332,
          "c_wall_ms": 19.11,
          "rust_wall_ms": 18.27,
          "go_wall_ms": 22.37,
          "swift_wall_ms": 55.76,
          "ratio_vs_c": 2.62,
          "ratio_vs_rust": 2.74,
          "ratio_vs_go": 2.24,
          "ratio_vs_swift": 0.9
        },
        {
          "name": "heap_priority",
          "desc_zh": "二叉堆优先队列",
          "desc_en": "Binary heap priority queue",
          "category": "data",
          "xu_wall_ms": 59.43,
          "xu_best_ms": 58.14,
          "xu_rss_mib": 3.99,
          "xu_bytes": 84872,
          "c_wall_ms": 19.84,
          "rust_wall_ms": 21.11,
          "go_wall_ms": 69.51,
          "swift_wall_ms": 28.35,
          "ratio_vs_c": 3.0,
          "ratio_vs_rust": 2.82,
          "ratio_vs_go": 0.85,
          "ratio_vs_swift": 2.1
        },
        {
          "name": "hex_codec",
          "desc_zh": "十六进制编解码流",
          "desc_en": "Hexadecimal codec stream",
          "category": "string",
          "xu_wall_ms": 23.94,
          "xu_best_ms": 23.61,
          "xu_rss_mib": 1.64,
          "xu_bytes": 389241,
          "c_wall_ms": 13.02,
          "rust_wall_ms": 13.12,
          "go_wall_ms": 40.01,
          "swift_wall_ms": 93.14,
          "ratio_vs_c": 1.84,
          "ratio_vs_rust": 1.82,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 0.26
        },
        {
          "name": "base64_codec",
          "desc_zh": "Base64 编解码流",
          "desc_en": "Base64 codec stream",
          "category": "string",
          "xu_wall_ms": 19.95,
          "xu_best_ms": 19.55,
          "xu_rss_mib": 1.67,
          "xu_bytes": 423058,
          "c_wall_ms": 12.81,
          "rust_wall_ms": 12.29,
          "go_wall_ms": 14.6,
          "swift_wall_ms": 14.38,
          "ratio_vs_c": 1.56,
          "ratio_vs_rust": 1.62,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.39
        },
        {
          "name": "ring_buffer",
          "desc_zh": "双端环形缓冲区",
          "desc_en": "Ring buffer queue",
          "category": "data",
          "xu_wall_ms": 106.26,
          "xu_best_ms": 103.79,
          "xu_rss_mib": 1.64,
          "xu_bytes": 51055,
          "c_wall_ms": 54.29,
          "rust_wall_ms": 55.12,
          "go_wall_ms": 78.23,
          "swift_wall_ms": 82.64,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.93,
          "ratio_vs_go": 1.36,
          "ratio_vs_swift": 1.29
        },
        {
          "name": "md5_chain",
          "desc_zh": "MD5 散列计算链",
          "desc_en": "MD5 digest chain",
          "category": "crypto",
          "xu_wall_ms": 49.24,
          "xu_best_ms": 48.67,
          "xu_rss_mib": 1.6,
          "xu_bytes": 84872,
          "c_wall_ms": 14.91,
          "rust_wall_ms": 21.84,
          "go_wall_ms": 20.06,
          "swift_wall_ms": 1517.36,
          "ratio_vs_c": 3.3,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 2.45,
          "ratio_vs_swift": 0.03
        },
        {
          "name": "quicksort_hoare",
          "desc_zh": "Hoare 双指针快排",
          "desc_en": "Hoare quicksort",
          "category": "algo",
          "xu_wall_ms": 72.55,
          "xu_best_ms": 71.45,
          "xu_rss_mib": 2.87,
          "xu_bytes": 51055,
          "c_wall_ms": 37.38,
          "rust_wall_ms": 37.38,
          "go_wall_ms": 39.59,
          "swift_wall_ms": 42.74,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.94,
          "ratio_vs_go": 1.83,
          "ratio_vs_swift": 1.7
        },
        {
          "name": "lru_cache",
          "desc_zh": "LRU 双向链表淘汰缓存",
          "desc_en": "LRU cache (hash + dll)",
          "category": "data",
          "xu_wall_ms": 64.05,
          "xu_best_ms": 63.02,
          "xu_rss_mib": 1.71,
          "xu_bytes": 51055,
          "c_wall_ms": 26.25,
          "rust_wall_ms": 28.46,
          "go_wall_ms": 39.9,
          "swift_wall_ms": 44.1,
          "ratio_vs_c": 2.44,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 1.61,
          "ratio_vs_swift": 1.45
        },
        {
          "name": "bloom_filter",
          "desc_zh": "布隆过滤器位图查验",
          "desc_en": "Bloom filter bitmap",
          "category": "data",
          "xu_wall_ms": 51.24,
          "xu_best_ms": 50.65,
          "xu_rss_mib": 1.68,
          "xu_bytes": 51055,
          "c_wall_ms": 26.36,
          "rust_wall_ms": 27.51,
          "go_wall_ms": 36.54,
          "swift_wall_ms": 35.7,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.4,
          "ratio_vs_swift": 1.44
        },
        {
          "name": "aes128_encrypt",
          "desc_zh": "AES-128 软件加密",
          "desc_en": "AES-128 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 4.0,
          "xu_best_ms": 4.0,
          "xu_rss_mib": 23.3,
          "xu_bytes": 236544,
          "c_wall_ms": 26.0,
          "rust_wall_ms": 31.5,
          "go_wall_ms": 57.5,
          "swift_wall_ms": 53.34,
          "ratio_vs_c": 0.15,
          "ratio_vs_rust": 0.13,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.11,
          "implementations": {
            "Xu": {
              "wall_ms": 4.0,
              "best_ms": 4.0,
              "rss_mib": 23.3,
              "cpu_ms": 3.9,
              "bytes": 236544
            },
            "go build": {
              "wall_ms": 57.5,
              "best_ms": 57.2,
              "rss_mib": 23.3,
              "cpu_ms": 59.7,
              "bytes": 2353896
            },
            "clang -O1": {
              "wall_ms": 40.0,
              "best_ms": 40.0,
              "rss_mib": 23.3,
              "cpu_ms": 39.8,
              "bytes": 70792
            },
            "clang -O2": {
              "wall_ms": 34.0,
              "best_ms": 33.9,
              "rss_mib": 23.3,
              "cpu_ms": 33.7,
              "bytes": 70824
            },
            "clang -O3": {
              "wall_ms": 26.0,
              "best_ms": 26.0,
              "rss_mib": 23.3,
              "cpu_ms": 25.8,
              "bytes": 70824
            },
            "rustc -O1": {
              "wall_ms": 60.9,
              "best_ms": 60.6,
              "rss_mib": 23.3,
              "cpu_ms": 60.6,
              "bytes": 4622792
            },
            "rustc -O2": {
              "wall_ms": 47.4,
              "best_ms": 47.4,
              "rss_mib": 23.3,
              "cpu_ms": 47.2,
              "bytes": 4622800
            },
            "rustc -O3": {
              "wall_ms": 31.5,
              "best_ms": 31.4,
              "rss_mib": 23.42,
              "cpu_ms": 31.3,
              "bytes": 4622376
            },
            "swiftc -O": {
              "wall_ms": 60.0,
              "best_ms": 60.0,
              "rss_mib": 23.42,
              "cpu_ms": 59.8,
              "bytes": 79152
            }
          }
        },
        {
          "name": "aes128_decrypt",
          "desc_zh": "AES-128 软件解密",
          "desc_en": "AES-128 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.09,
          "xu_best_ms": 5.82,
          "xu_rss_mib": 1.65,
          "xu_bytes": 253956,
          "c_wall_ms": 45.05,
          "rust_wall_ms": 49.56,
          "go_wall_ms": 65.31,
          "swift_wall_ms": 68.15,
          "ratio_vs_c": 0.14,
          "ratio_vs_rust": 0.12,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes128_key_setup",
          "desc_zh": "AES-128 密钥扩展",
          "desc_en": "AES-128 key expansion",
          "category": "crypto",
          "xu_wall_ms": 36.96,
          "xu_best_ms": 36.3,
          "xu_rss_mib": 1.64,
          "xu_bytes": 237048,
          "c_wall_ms": 26.14,
          "rust_wall_ms": 24.04,
          "go_wall_ms": 34.65,
          "swift_wall_ms": 28.56,
          "ratio_vs_c": 1.41,
          "ratio_vs_rust": 1.54,
          "ratio_vs_go": 1.07,
          "ratio_vs_swift": 1.29
        },
        {
          "name": "aes192_encrypt",
          "desc_zh": "AES-192 软件加密",
          "desc_en": "AES-192 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 5.88,
          "xu_best_ms": 5.72,
          "xu_rss_mib": 1.65,
          "xu_bytes": 253956,
          "c_wall_ms": 28.35,
          "rust_wall_ms": 33.81,
          "go_wall_ms": 58.28,
          "swift_wall_ms": 63.74,
          "ratio_vs_c": 0.21,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.1,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_decrypt",
          "desc_zh": "AES-192 软件解密",
          "desc_en": "AES-192 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.41,
          "xu_best_ms": 5.93,
          "xu_rss_mib": 1.65,
          "xu_bytes": 253956,
          "c_wall_ms": 52.29,
          "rust_wall_ms": 57.65,
          "go_wall_ms": 76.23,
          "swift_wall_ms": 73.71,
          "ratio_vs_c": 0.12,
          "ratio_vs_rust": 0.11,
          "ratio_vs_go": 0.08,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_key_setup",
          "desc_zh": "AES-192 密钥扩展",
          "desc_en": "AES-192 key expansion",
          "category": "crypto",
          "xu_wall_ms": 42.84,
          "xu_best_ms": 42.02,
          "xu_rss_mib": 1.64,
          "xu_bytes": 237048,
          "c_wall_ms": 26.04,
          "rust_wall_ms": 23.0,
          "go_wall_ms": 34.96,
          "swift_wall_ms": 28.77,
          "ratio_vs_c": 1.65,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.23,
          "ratio_vs_swift": 1.49
        },
        {
          "name": "aes256_encrypt",
          "desc_zh": "AES-256 软件加密",
          "desc_en": "AES-256 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.09,
          "xu_best_ms": 5.93,
          "xu_rss_mib": 1.65,
          "xu_bytes": 253956,
          "c_wall_ms": 30.03,
          "rust_wall_ms": 36.44,
          "go_wall_ms": 65.1,
          "swift_wall_ms": 69.93,
          "ratio_vs_c": 0.2,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes256_decrypt",
          "desc_zh": "AES-256 软件解密",
          "desc_en": "AES-256 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.3,
          "xu_best_ms": 6.03,
          "xu_rss_mib": 1.65,
          "xu_bytes": 253956,
          "c_wall_ms": 58.8,
          "rust_wall_ms": 64.79,
          "go_wall_ms": 86.52,
          "swift_wall_ms": 86.52,
          "ratio_vs_c": 0.11,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.07
        },
        {
          "name": "aes256_key_setup",
          "desc_zh": "AES-256 密钥扩展",
          "desc_en": "AES-256 key expansion",
          "category": "crypto",
          "xu_wall_ms": 48.2,
          "xu_best_ms": 47.32,
          "xu_rss_mib": 1.64,
          "xu_bytes": 237048,
          "c_wall_ms": 26.67,
          "rust_wall_ms": 23.73,
          "go_wall_ms": 35.18,
          "swift_wall_ms": 29.19,
          "ratio_vs_c": 1.81,
          "ratio_vs_rust": 2.03,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.65
        }
      ],
      "footprint": [
        {
          "impl": "Xu",
          "rss": "1.52 – 18.20",
          "size": "33.8 – 438.1",
          "gc_zh": "零 GC · 编译期借用与 RAII 确定性析构",
          "gc_en": "Zero GC / RAII Scope Drop"
        },
        {
          "impl": "Clang -O3",
          "rss": "1.62 – 19.40",
          "size": "17.1 – 34.5",
          "gc_zh": "手动 free / 无运行时开销",
          "gc_en": "Manual Free / Zero Runtime"
        },
        {
          "impl": "rustc -O3",
          "rss": "1.74 – 19.80",
          "size": "435.0 – 531.0",
          "gc_zh": "零 GC · 所有权生命周期与 Drop",
          "gc_en": "Zero GC / Ownership Drop"
        },
        {
          "impl": "Go build",
          "rss": "3.65 – 46.80",
          "size": "1720.0 – 2640.0",
          "gc_zh": "并发三色标记清除 GC 运行时",
          "gc_en": "Concurrent Tracing GC Runtime"
        }
      ]
    },
    "linux-x64": {
      "platform_id": "linux-x64",
      "name_zh": "Linux (Ubuntu · x86_64)",
      "name_en": "Linux (Ubuntu · x86_64)",
      "os": "Linux",
      "arch": "x86_64",
      "chip": "AMD EPYC / Intel Xeon (x86_64)",
      "icon": "xi-linux",
      "startup_ms": 3.8,
      "rss_range": "1.6 – 17.8 MiB",
      "size_range": "31.2 – 398.5 KiB",
      "benches": [
        {
          "name": "startup",
          "desc_zh": "进程启动/空 main",
          "desc_en": "Process startup / empty main",
          "category": "control",
          "xu_wall_ms": 0.3,
          "xu_best_ms": 0.3,
          "xu_rss_mib": 24.38,
          "xu_bytes": 22768,
          "c_wall_ms": 0.6,
          "rust_wall_ms": 0.9,
          "go_wall_ms": 1.3,
          "swift_wall_ms": 3.77,
          "ratio_vs_c": 0.5,
          "ratio_vs_rust": 0.33,
          "ratio_vs_go": 0.23,
          "ratio_vs_swift": 0.95,
          "implementations": {
            "Xu": {
              "wall_ms": 0.3,
              "best_ms": 0.3,
              "rss_mib": 24.38,
              "cpu_ms": 0.2,
              "bytes": 22768
            },
            "go build": {
              "wall_ms": 1.3,
              "best_ms": 1.2,
              "rss_mib": 24.38,
              "cpu_ms": 1.3,
              "bytes": 1899788
            },
            "clang -O1": {
              "wall_ms": 0.6,
              "best_ms": 0.6,
              "rss_mib": 24.38,
              "cpu_ms": 0.5,
              "bytes": 15888
            },
            "clang -O2": {
              "wall_ms": 0.6,
              "best_ms": 0.6,
              "rss_mib": 24.5,
              "cpu_ms": 0.5,
              "bytes": 15888
            },
            "clang -O3": {
              "wall_ms": 0.6,
              "best_ms": 0.6,
              "rss_mib": 24.5,
              "cpu_ms": 0.5,
              "bytes": 15888
            },
            "rustc -O1": {
              "wall_ms": 0.8,
              "best_ms": 0.8,
              "rss_mib": 24.5,
              "cpu_ms": 0.7,
              "bytes": 4529112
            },
            "rustc -O2": {
              "wall_ms": 0.8,
              "best_ms": 0.8,
              "rss_mib": 24.5,
              "cpu_ms": 0.7,
              "bytes": 4529112
            },
            "rustc -O3": {
              "wall_ms": 0.9,
              "best_ms": 0.8,
              "rss_mib": 24.5,
              "cpu_ms": 0.7,
              "bytes": 4529112
            },
            "swiftc -O": {
              "wall_ms": 2.5,
              "best_ms": 2.4,
              "rss_mib": 24.5,
              "cpu_ms": 2.4,
              "bytes": 11288
            }
          }
        },
        {
          "name": "loop_sum",
          "desc_zh": "整数累加循环",
          "desc_en": "Integer loop accumulation",
          "category": "control",
          "xu_wall_ms": 47.2,
          "xu_best_ms": 47.1,
          "xu_rss_mib": 24.5,
          "xu_bytes": 22800,
          "c_wall_ms": 7.9,
          "rust_wall_ms": 7.9,
          "go_wall_ms": 33.7,
          "swift_wall_ms": 21.22,
          "ratio_vs_c": 5.97,
          "ratio_vs_rust": 5.97,
          "ratio_vs_go": 1.4,
          "ratio_vs_swift": 0.5,
          "implementations": {
            "Xu": {
              "wall_ms": 47.2,
              "best_ms": 47.1,
              "rss_mib": 24.5,
              "cpu_ms": 47.0,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 33.7,
              "best_ms": 33.4,
              "rss_mib": 24.5,
              "cpu_ms": 34.3,
              "bytes": 2346729
            },
            "clang -O1": {
              "wall_ms": 16.4,
              "best_ms": 16.3,
              "rss_mib": 24.5,
              "cpu_ms": 16.2,
              "bytes": 16016
            },
            "clang -O2": {
              "wall_ms": 7.9,
              "best_ms": 7.8,
              "rss_mib": 24.5,
              "cpu_ms": 7.7,
              "bytes": 16016
            },
            "clang -O3": {
              "wall_ms": 7.9,
              "best_ms": 7.8,
              "rss_mib": 24.5,
              "cpu_ms": 7.7,
              "bytes": 16016
            },
            "rustc -O1": {
              "wall_ms": 10.6,
              "best_ms": 10.6,
              "rss_mib": 24.5,
              "cpu_ms": 10.5,
              "bytes": 4537032
            },
            "rustc -O2": {
              "wall_ms": 7.8,
              "best_ms": 7.8,
              "rss_mib": 24.5,
              "cpu_ms": 7.7,
              "bytes": 4537224
            },
            "rustc -O3": {
              "wall_ms": 7.9,
              "best_ms": 7.8,
              "rss_mib": 24.5,
              "cpu_ms": 7.7,
              "bytes": 4537224
            },
            "swiftc -O": {
              "wall_ms": 18.3,
              "best_ms": 18.2,
              "rss_mib": 24.5,
              "cpu_ms": 18.1,
              "bytes": 16168
            }
          }
        },
        {
          "name": "fib",
          "desc_zh": "递归调用 (fib 35)",
          "desc_en": "Recursive call (fib 35)",
          "category": "control",
          "xu_wall_ms": 61.9,
          "xu_best_ms": 61.7,
          "xu_rss_mib": 24.5,
          "xu_bytes": 22800,
          "c_wall_ms": 18.1,
          "rust_wall_ms": 18.4,
          "go_wall_ms": 34.1,
          "swift_wall_ms": 27.54,
          "ratio_vs_c": 3.42,
          "ratio_vs_rust": 3.36,
          "ratio_vs_go": 1.82,
          "ratio_vs_swift": 1.2,
          "implementations": {
            "Xu": {
              "wall_ms": 61.9,
              "best_ms": 61.7,
              "rss_mib": 24.5,
              "cpu_ms": 61.6,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 34.1,
              "best_ms": 33.5,
              "rss_mib": 24.5,
              "cpu_ms": 34.8,
              "bytes": 2346602
            },
            "clang -O1": {
              "wall_ms": 18.3,
              "best_ms": 18.1,
              "rss_mib": 24.5,
              "cpu_ms": 18.2,
              "bytes": 16040
            },
            "clang -O2": {
              "wall_ms": 18.1,
              "best_ms": 18.1,
              "rss_mib": 24.5,
              "cpu_ms": 18.0,
              "bytes": 16040
            },
            "clang -O3": {
              "wall_ms": 18.1,
              "best_ms": 18.0,
              "rss_mib": 24.5,
              "cpu_ms": 17.9,
              "bytes": 16040
            },
            "rustc -O1": {
              "wall_ms": 18.3,
              "best_ms": 18.3,
              "rss_mib": 24.5,
              "cpu_ms": 18.2,
              "bytes": 4537120
            },
            "rustc -O2": {
              "wall_ms": 18.4,
              "best_ms": 18.2,
              "rss_mib": 24.5,
              "cpu_ms": 18.2,
              "bytes": 4537120
            },
            "rustc -O3": {
              "wall_ms": 18.4,
              "best_ms": 18.3,
              "rss_mib": 24.5,
              "cpu_ms": 18.2,
              "bytes": 4537120
            },
            "swiftc -O": {
              "wall_ms": 29.8,
              "best_ms": 29.6,
              "rss_mib": 24.5,
              "cpu_ms": 29.6,
              "bytes": 16056
            }
          }
        },
        {
          "name": "nested_loop",
          "desc_zh": "深度嵌套循环",
          "desc_en": "Deeply nested loops",
          "category": "control",
          "xu_wall_ms": 60.4,
          "xu_best_ms": 60.3,
          "xu_rss_mib": 24.5,
          "xu_bytes": 22800,
          "c_wall_ms": 16.2,
          "rust_wall_ms": 16.1,
          "go_wall_ms": 22.3,
          "swift_wall_ms": 25.7,
          "ratio_vs_c": 3.73,
          "ratio_vs_rust": 3.75,
          "ratio_vs_go": 2.71,
          "ratio_vs_swift": 0.23,
          "implementations": {
            "Xu": {
              "wall_ms": 60.4,
              "best_ms": 60.3,
              "rss_mib": 24.5,
              "cpu_ms": 60.1,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 22.3,
              "best_ms": 21.7,
              "rss_mib": 24.5,
              "cpu_ms": 23.0,
              "bytes": 2346801
            },
            "clang -O1": {
              "wall_ms": 20.9,
              "best_ms": 20.8,
              "rss_mib": 24.5,
              "cpu_ms": 20.7,
              "bytes": 16016
            },
            "clang -O2": {
              "wall_ms": 15.9,
              "best_ms": 15.9,
              "rss_mib": 24.5,
              "cpu_ms": 15.8,
              "bytes": 16016
            },
            "clang -O3": {
              "wall_ms": 16.2,
              "best_ms": 16.1,
              "rss_mib": 24.5,
              "cpu_ms": 16.0,
              "bytes": 16016
            },
            "rustc -O1": {
              "wall_ms": 17.0,
              "best_ms": 17.0,
              "rss_mib": 24.5,
              "cpu_ms": 16.8,
              "bytes": 4537144
            },
            "rustc -O2": {
              "wall_ms": 16.1,
              "best_ms": 16.1,
              "rss_mib": 24.5,
              "cpu_ms": 16.0,
              "bytes": 4537208
            },
            "rustc -O3": {
              "wall_ms": 16.1,
              "best_ms": 16.0,
              "rss_mib": 24.5,
              "cpu_ms": 15.9,
              "bytes": 4537208
            },
            "swiftc -O": {
              "wall_ms": 22.8,
              "best_ms": 22.8,
              "rss_mib": 24.5,
              "cpu_ms": 22.7,
              "bytes": 16176
            }
          }
        },
        {
          "name": "method_sum",
          "desc_zh": "结构体方法调用",
          "desc_en": "Struct method dispatch",
          "category": "control",
          "xu_wall_ms": 2.2,
          "xu_best_ms": 2.2,
          "xu_rss_mib": 24.5,
          "xu_bytes": 22800,
          "c_wall_ms": 1.8,
          "rust_wall_ms": 1.9,
          "go_wall_ms": 6.5,
          "swift_wall_ms": 6.83,
          "ratio_vs_c": 1.22,
          "ratio_vs_rust": 1.16,
          "ratio_vs_go": 0.34,
          "ratio_vs_swift": 0.67,
          "implementations": {
            "Xu": {
              "wall_ms": 2.2,
              "best_ms": 2.2,
              "rss_mib": 24.5,
              "cpu_ms": 2.1,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 6.5,
              "best_ms": 6.3,
              "rss_mib": 24.5,
              "cpu_ms": 7.0,
              "bytes": 2346705
            },
            "clang -O1": {
              "wall_ms": 3.2,
              "best_ms": 3.2,
              "rss_mib": 24.5,
              "cpu_ms": 3.1,
              "bytes": 16016
            },
            "clang -O2": {
              "wall_ms": 1.7,
              "best_ms": 1.7,
              "rss_mib": 24.5,
              "cpu_ms": 1.6,
              "bytes": 16016
            },
            "clang -O3": {
              "wall_ms": 1.8,
              "best_ms": 1.7,
              "rss_mib": 24.5,
              "cpu_ms": 1.6,
              "bytes": 16016
            },
            "rustc -O1": {
              "wall_ms": 1.2,
              "best_ms": 1.2,
              "rss_mib": 24.5,
              "cpu_ms": 1.0,
              "bytes": 4537032
            },
            "rustc -O2": {
              "wall_ms": 1.9,
              "best_ms": 1.8,
              "rss_mib": 24.5,
              "cpu_ms": 1.7,
              "bytes": 4537224
            },
            "rustc -O3": {
              "wall_ms": 1.9,
              "best_ms": 1.8,
              "rss_mib": 24.5,
              "cpu_ms": 1.7,
              "bytes": 4537224
            },
            "swiftc -O": {
              "wall_ms": 5.2,
              "best_ms": 5.1,
              "rss_mib": 24.5,
              "cpu_ms": 5.0,
              "bytes": 17264
            }
          }
        },
        {
          "name": "f64_sum",
          "desc_zh": "双精度浮点算术",
          "desc_en": "Float64 arithmetic",
          "category": "control",
          "xu_wall_ms": 24.9,
          "xu_best_ms": 24.8,
          "xu_rss_mib": 24.5,
          "xu_bytes": 22800,
          "c_wall_ms": 19.5,
          "rust_wall_ms": 19.6,
          "go_wall_ms": 20.9,
          "swift_wall_ms": 24.38,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.27,
          "ratio_vs_go": 1.19,
          "ratio_vs_swift": 0.97,
          "implementations": {
            "Xu": {
              "wall_ms": 24.9,
              "best_ms": 24.8,
              "rss_mib": 24.5,
              "cpu_ms": 24.7,
              "bytes": 22800
            },
            "go build": {
              "wall_ms": 20.9,
              "best_ms": 20.7,
              "rss_mib": 24.5,
              "cpu_ms": 21.6,
              "bytes": 2347073
            },
            "clang -O1": {
              "wall_ms": 19.6,
              "best_ms": 19.6,
              "rss_mib": 24.5,
              "cpu_ms": 19.5,
              "bytes": 16016
            },
            "clang -O2": {
              "wall_ms": 19.5,
              "best_ms": 19.5,
              "rss_mib": 24.5,
              "cpu_ms": 19.4,
              "bytes": 16016
            },
            "clang -O3": {
              "wall_ms": 19.5,
              "best_ms": 19.4,
              "rss_mib": 24.5,
              "cpu_ms": 19.4,
              "bytes": 16016
            },
            "rustc -O1": {
              "wall_ms": 19.6,
              "best_ms": 19.6,
              "rss_mib": 24.5,
              "cpu_ms": 19.5,
              "bytes": 4537136
            },
            "rustc -O2": {
              "wall_ms": 19.6,
              "best_ms": 19.6,
              "rss_mib": 24.5,
              "cpu_ms": 19.5,
              "bytes": 4537136
            },
            "rustc -O3": {
              "wall_ms": 19.6,
              "best_ms": 19.6,
              "rss_mib": 24.5,
              "cpu_ms": 19.5,
              "bytes": 4537136
            },
            "swiftc -O": {
              "wall_ms": 21.7,
              "best_ms": 21.6,
              "rss_mib": 24.5,
              "cpu_ms": 21.5,
              "bytes": 16152
            }
          }
        },
        {
          "name": "matmul",
          "desc_zh": "矩阵乘法 (i64 matmul)",
          "desc_en": "Matrix multiplication",
          "category": "algo",
          "xu_wall_ms": 9.0,
          "xu_best_ms": 8.8,
          "xu_rss_mib": 24.5,
          "xu_bytes": 26920,
          "c_wall_ms": 7.8,
          "rust_wall_ms": 8.0,
          "go_wall_ms": 12.9,
          "swift_wall_ms": 58.96,
          "ratio_vs_c": 1.15,
          "ratio_vs_rust": 1.12,
          "ratio_vs_go": 0.7,
          "ratio_vs_swift": 0.19,
          "implementations": {
            "Xu": {
              "wall_ms": 9.0,
              "best_ms": 8.8,
              "rss_mib": 24.5,
              "cpu_ms": 8.8,
              "bytes": 26920
            },
            "go build": {
              "wall_ms": 12.9,
              "best_ms": 12.0,
              "rss_mib": 24.5,
              "cpu_ms": 13.7,
              "bytes": 2346961
            },
            "clang -O1": {
              "wall_ms": 7.4,
              "best_ms": 7.3,
              "rss_mib": 24.5,
              "cpu_ms": 7.2,
              "bytes": 16112
            },
            "clang -O2": {
              "wall_ms": 7.8,
              "best_ms": 7.7,
              "rss_mib": 24.5,
              "cpu_ms": 7.6,
              "bytes": 16112
            },
            "clang -O3": {
              "wall_ms": 7.8,
              "best_ms": 7.7,
              "rss_mib": 24.5,
              "cpu_ms": 7.6,
              "bytes": 16112
            },
            "rustc -O1": {
              "wall_ms": 15.4,
              "best_ms": 15.3,
              "rss_mib": 24.5,
              "cpu_ms": 15.2,
              "bytes": 4538440
            },
            "rustc -O2": {
              "wall_ms": 8.0,
              "best_ms": 7.9,
              "rss_mib": 24.5,
              "cpu_ms": 7.9,
              "bytes": 4538088
            },
            "rustc -O3": {
              "wall_ms": 8.0,
              "best_ms": 7.9,
              "rss_mib": 24.5,
              "cpu_ms": 7.9,
              "bytes": 4538088
            },
            "swiftc -O": {
              "wall_ms": 364.8,
              "best_ms": 350.0,
              "rss_mib": 24.5,
              "cpu_ms": 364.5,
              "bytes": 17408
            }
          }
        },
        {
          "name": "string_build",
          "desc_zh": "字符串扩容与构建",
          "desc_en": "String growth & scan",
          "category": "string",
          "xu_wall_ms": 4.7,
          "xu_best_ms": 4.7,
          "xu_rss_mib": 24.5,
          "xu_bytes": 22824,
          "c_wall_ms": 1.4,
          "rust_wall_ms": 1.8,
          "go_wall_ms": 2.9,
          "swift_wall_ms": 6.43,
          "ratio_vs_c": 3.36,
          "ratio_vs_rust": 2.61,
          "ratio_vs_go": 1.62,
          "ratio_vs_swift": 0.68,
          "implementations": {
            "Xu": {
              "wall_ms": 4.7,
              "best_ms": 4.7,
              "rss_mib": 24.5,
              "cpu_ms": 4.6,
              "bytes": 22824
            },
            "go build": {
              "wall_ms": 2.9,
              "best_ms": 2.7,
              "rss_mib": 24.5,
              "cpu_ms": 3.6,
              "bytes": 2346809
            },
            "clang -O1": {
              "wall_ms": 1.9,
              "best_ms": 1.8,
              "rss_mib": 24.5,
              "cpu_ms": 1.7,
              "bytes": 16168
            },
            "clang -O2": {
              "wall_ms": 1.4,
              "best_ms": 1.4,
              "rss_mib": 24.5,
              "cpu_ms": 1.3,
              "bytes": 16168
            },
            "clang -O3": {
              "wall_ms": 1.4,
              "best_ms": 1.4,
              "rss_mib": 24.5,
              "cpu_ms": 1.2,
              "bytes": 16168
            },
            "rustc -O1": {
              "wall_ms": 1.9,
              "best_ms": 1.8,
              "rss_mib": 24.5,
              "cpu_ms": 1.7,
              "bytes": 4538056
            },
            "rustc -O2": {
              "wall_ms": 1.8,
              "best_ms": 1.8,
              "rss_mib": 24.5,
              "cpu_ms": 1.6,
              "bytes": 4538280
            },
            "rustc -O3": {
              "wall_ms": 1.8,
              "best_ms": 1.8,
              "rss_mib": 24.5,
              "cpu_ms": 1.7,
              "bytes": 4538264
            },
            "swiftc -O": {
              "wall_ms": 5.8,
              "best_ms": 5.7,
              "rss_mib": 24.5,
              "cpu_ms": 5.6,
              "bytes": 17520
            }
          }
        },
        {
          "name": "string_repeat",
          "desc_zh": "字符串倍增复制",
          "desc_en": "String repeat & copy",
          "category": "string",
          "xu_wall_ms": 37.43,
          "xu_best_ms": 36.87,
          "xu_rss_mib": 1.63,
          "xu_bytes": 347028,
          "c_wall_ms": 12.14,
          "rust_wall_ms": 12.34,
          "go_wall_ms": 42.23,
          "swift_wall_ms": 139.84,
          "ratio_vs_c": 3.08,
          "ratio_vs_rust": 3.03,
          "ratio_vs_go": 0.89,
          "ratio_vs_swift": 0.27
        },
        {
          "name": "array_ops",
          "desc_zh": "动态数组扩容/索引",
          "desc_en": "Dynamic array growth",
          "category": "data",
          "xu_wall_ms": 5.81,
          "xu_best_ms": 5.35,
          "xu_rss_mib": 17.52,
          "xu_bytes": 47585,
          "c_wall_ms": 6.53,
          "rust_wall_ms": 9.18,
          "go_wall_ms": 14.69,
          "swift_wall_ms": 14.28,
          "ratio_vs_c": 0.89,
          "ratio_vs_rust": 0.63,
          "ratio_vs_go": 0.4,
          "ratio_vs_swift": 0.41
        },
        {
          "name": "file_roundtrip",
          "desc_zh": "文件写入与读取 (32×512KiB)",
          "desc_en": "File roundtrip IO",
          "category": "string",
          "xu_wall_ms": 24.38,
          "xu_best_ms": 21.01,
          "xu_rss_mib": 3.89,
          "xu_bytes": 63344,
          "c_wall_ms": 19.07,
          "rust_wall_ms": 17.85,
          "go_wall_ms": 18.77,
          "swift_wall_ms": 21.22,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.37,
          "ratio_vs_go": 1.3,
          "ratio_vs_swift": 1.15
        },
        {
          "name": "sort_lcg",
          "desc_zh": "标准库快速排序",
          "desc_en": "Stdlib sort (LCG data)",
          "category": "algo",
          "xu_wall_ms": 7.75,
          "xu_best_ms": 7.17,
          "xu_rss_mib": 2.8,
          "xu_bytes": 94863,
          "c_wall_ms": 11.73,
          "rust_wall_ms": 5.1,
          "go_wall_ms": 11.73,
          "swift_wall_ms": 10.81,
          "ratio_vs_c": 0.66,
          "ratio_vs_rust": 1.52,
          "ratio_vs_go": 0.66,
          "ratio_vs_swift": 0.72
        },
        {
          "name": "algorithm_search",
          "desc_zh": "标准库二分查找",
          "desc_en": "Stdlib binary search",
          "category": "algo",
          "xu_wall_ms": 200.53,
          "xu_best_ms": 196.85,
          "xu_rss_mib": 2.8,
          "xu_bytes": 94863,
          "c_wall_ms": 158.71,
          "rust_wall_ms": 179.01,
          "go_wall_ms": 245.31,
          "swift_wall_ms": 280.91,
          "ratio_vs_c": 1.26,
          "ratio_vs_rust": 1.12,
          "ratio_vs_go": 0.82,
          "ratio_vs_swift": 0.71
        },
        {
          "name": "math_bits",
          "desc_zh": "位运算与硬件指令",
          "desc_en": "Bitwise ops (hardware popcount/clz)",
          "category": "algo",
          "xu_wall_ms": 10.2,
          "xu_best_ms": 10.0,
          "xu_rss_mib": 1.52,
          "xu_bytes": 63344,
          "c_wall_ms": 10.51,
          "rust_wall_ms": 11.12,
          "go_wall_ms": 11.63,
          "swift_wall_ms": 16.12,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.88,
          "ratio_vs_swift": 0.63
        },
        {
          "name": "sha256_chain",
          "desc_zh": "SHA-256 哈希链",
          "desc_en": "SHA-256 hash chain",
          "category": "crypto",
          "xu_wall_ms": 12.1,
          "xu_best_ms": 12.0,
          "xu_rss_mib": 24.63,
          "xu_bytes": 88960,
          "c_wall_ms": 2.0,
          "rust_wall_ms": 2.2,
          "go_wall_ms": 1.7,
          "swift_wall_ms": 6.73,
          "ratio_vs_c": 6.05,
          "ratio_vs_rust": 5.5,
          "ratio_vs_go": 7.12,
          "ratio_vs_swift": 0.53,
          "implementations": {
            "Xu": {
              "wall_ms": 12.1,
              "best_ms": 12.0,
              "rss_mib": 24.63,
              "cpu_ms": 12.0,
              "bytes": 88960
            },
            "go build": {
              "wall_ms": 1.7,
              "best_ms": 1.6,
              "rss_mib": 24.63,
              "cpu_ms": 1.8,
              "bytes": 2673031
            },
            "clang -O1": {
              "wall_ms": 2.0,
              "best_ms": 2.0,
              "rss_mib": 24.63,
              "cpu_ms": 1.9,
              "bytes": 16312
            },
            "clang -O2": {
              "wall_ms": 2.0,
              "best_ms": 1.9,
              "rss_mib": 24.63,
              "cpu_ms": 1.8,
              "bytes": 16312
            },
            "clang -O3": {
              "wall_ms": 2.0,
              "best_ms": 1.9,
              "rss_mib": 24.63,
              "cpu_ms": 1.8,
              "bytes": 16312
            },
            "rustc -O1": {
              "wall_ms": 2.2,
              "best_ms": 2.2,
              "rss_mib": 24.63,
              "cpu_ms": 2.1,
              "bytes": 4541384
            },
            "rustc -O2": {
              "wall_ms": 2.2,
              "best_ms": 2.2,
              "rss_mib": 24.63,
              "cpu_ms": 2.1,
              "bytes": 4540568
            },
            "rustc -O3": {
              "wall_ms": 2.2,
              "best_ms": 2.2,
              "rss_mib": 24.63,
              "cpu_ms": 2.1,
              "bytes": 4540696
            }
          }
        },
        {
          "name": "chan_ping",
          "desc_zh": "Channel 协程流水线",
          "desc_en": "Channel / Coroutine pipeline",
          "category": "concurrency",
          "xu_wall_ms": 20.6,
          "xu_best_ms": 20.5,
          "xu_rss_mib": 24.5,
          "xu_bytes": 40600,
          "c_wall_ms": null,
          "rust_wall_ms": 151.1,
          "go_wall_ms": 22.7,
          "swift_wall_ms": null,
          "ratio_vs_c": null,
          "ratio_vs_rust": 0.14,
          "ratio_vs_go": 0.91,
          "ratio_vs_swift": null,
          "implementations": {
            "Xu": {
              "wall_ms": 20.6,
              "best_ms": 20.5,
              "rss_mib": 24.5,
              "cpu_ms": 20.4,
              "bytes": 40600
            },
            "go build": {
              "wall_ms": 22.7,
              "best_ms": 22.3,
              "rss_mib": 24.5,
              "cpu_ms": 26.0,
              "bytes": 2351359
            },
            "rustc -O1": {
              "wall_ms": 165.5,
              "best_ms": 101.3,
              "rss_mib": 24.63,
              "cpu_ms": 145.2,
              "bytes": 4623392
            },
            "rustc -O2": {
              "wall_ms": 162.7,
              "best_ms": 149.7,
              "rss_mib": 24.63,
              "cpu_ms": 146.0,
              "bytes": 4633224
            },
            "rustc -O3": {
              "wall_ms": 151.1,
              "best_ms": 119.5,
              "rss_mib": 24.63,
              "cpu_ms": 128.1,
              "bytes": 4632632
            }
          }
        },
        {
          "name": "map_ops",
          "desc_zh": "哈希表高频读写",
          "desc_en": "Hash map insert / lookup",
          "category": "data",
          "xu_wall_ms": 22.64,
          "xu_best_ms": 21.71,
          "xu_rss_mib": 15.11,
          "xu_bytes": 79104,
          "c_wall_ms": 6.73,
          "rust_wall_ms": 11.53,
          "go_wall_ms": 14.59,
          "swift_wall_ms": 22.75,
          "ratio_vs_c": 3.36,
          "ratio_vs_rust": 1.96,
          "ratio_vs_go": 1.55,
          "ratio_vs_swift": 1.0
        },
        {
          "name": "iface_sum",
          "desc_zh": "接口动态派发",
          "desc_en": "Interface dynamic dispatch",
          "category": "control",
          "xu_wall_ms": 46.82,
          "xu_best_ms": 45.85,
          "xu_rss_mib": 1.52,
          "xu_bytes": 47585,
          "c_wall_ms": 18.46,
          "rust_wall_ms": 18.97,
          "go_wall_ms": 23.15,
          "swift_wall_ms": 45.59,
          "ratio_vs_c": 2.54,
          "ratio_vs_rust": 2.47,
          "ratio_vs_go": 2.02,
          "ratio_vs_swift": 1.03
        },
        {
          "name": "match_sum",
          "desc_zh": "密集模式匹配",
          "desc_en": "Dense pattern match / switch",
          "category": "control",
          "xu_wall_ms": 20.71,
          "xu_best_ms": 20.3,
          "xu_rss_mib": 1.52,
          "xu_bytes": 31825,
          "c_wall_ms": 16.32,
          "rust_wall_ms": 16.63,
          "go_wall_ms": 43.55,
          "swift_wall_ms": 38.56,
          "ratio_vs_c": 1.27,
          "ratio_vs_rust": 1.25,
          "ratio_vs_go": 0.48,
          "ratio_vs_swift": 0.54
        },
        {
          "name": "fn_val_sum",
          "desc_zh": "函数值一等公民调用",
          "desc_en": "First-class function call",
          "category": "control",
          "xu_wall_ms": 5.1,
          "xu_best_ms": 4.65,
          "xu_rss_mib": 1.52,
          "xu_bytes": 31825,
          "c_wall_ms": 4.9,
          "rust_wall_ms": 5.51,
          "go_wall_ms": 10.3,
          "swift_wall_ms": 33.56,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.5,
          "ratio_vs_swift": 0.15
        },
        {
          "name": "copy_bytes",
          "desc_zh": "块内存拷贝",
          "desc_en": "Block memory copy (load/store)",
          "category": "data",
          "xu_wall_ms": 41.5,
          "xu_best_ms": 40.3,
          "xu_rss_mib": 24.5,
          "xu_bytes": 26920,
          "c_wall_ms": 25.3,
          "rust_wall_ms": 25.7,
          "go_wall_ms": 32.2,
          "swift_wall_ms": 177.79,
          "ratio_vs_c": 1.64,
          "ratio_vs_rust": 1.61,
          "ratio_vs_go": 1.29,
          "ratio_vs_swift": 0.05,
          "implementations": {
            "Xu": {
              "wall_ms": 41.5,
              "best_ms": 40.3,
              "rss_mib": 24.5,
              "cpu_ms": 41.3,
              "bytes": 26920
            },
            "go build": {
              "wall_ms": 32.2,
              "best_ms": 31.7,
              "rss_mib": 24.5,
              "cpu_ms": 33.9,
              "bytes": 2346929
            },
            "clang -O1": {
              "wall_ms": 26.2,
              "best_ms": 25.6,
              "rss_mib": 24.5,
              "cpu_ms": 26.1,
              "bytes": 16168
            },
            "clang -O2": {
              "wall_ms": 25.4,
              "best_ms": 25.1,
              "rss_mib": 24.5,
              "cpu_ms": 25.2,
              "bytes": 16168
            },
            "clang -O3": {
              "wall_ms": 25.3,
              "best_ms": 25.1,
              "rss_mib": 24.5,
              "cpu_ms": 25.1,
              "bytes": 16168
            },
            "rustc -O1": {
              "wall_ms": 81.3,
              "best_ms": 81.1,
              "rss_mib": 24.5,
              "cpu_ms": 81.0,
              "bytes": 4538136
            },
            "rustc -O2": {
              "wall_ms": 25.4,
              "best_ms": 25.2,
              "rss_mib": 24.5,
              "cpu_ms": 25.2,
              "bytes": 4537792
            },
            "rustc -O3": {
              "wall_ms": 25.7,
              "best_ms": 25.4,
              "rss_mib": 24.5,
              "cpu_ms": 25.5,
              "bytes": 4537792
            },
            "swiftc -O": {
              "wall_ms": 395.0,
              "best_ms": 368.3,
              "rss_mib": 24.71,
              "cpu_ms": 394.6,
              "bytes": 17328
            }
          }
        },
        {
          "name": "sroa_vec3",
          "desc_zh": "三维向量字段归约 (SROA)",
          "desc_en": "3D vector SROA reduction",
          "category": "algo",
          "xu_wall_ms": 11.2,
          "xu_best_ms": 11.2,
          "xu_rss_mib": 24.5,
          "xu_bytes": 26912,
          "c_wall_ms": 10.4,
          "rust_wall_ms": 10.5,
          "go_wall_ms": 11.4,
          "swift_wall_ms": 14.89,
          "ratio_vs_c": 1.08,
          "ratio_vs_rust": 1.07,
          "ratio_vs_go": 0.98,
          "ratio_vs_swift": 0.58,
          "implementations": {
            "Xu": {
              "wall_ms": 11.2,
              "best_ms": 11.2,
              "rss_mib": 24.5,
              "cpu_ms": 11.1,
              "bytes": 26912
            },
            "go build": {
              "wall_ms": 11.4,
              "best_ms": 10.9,
              "rss_mib": 24.5,
              "cpu_ms": 12.0,
              "bytes": 2346777
            },
            "clang -O1": {
              "wall_ms": 10.4,
              "best_ms": 10.3,
              "rss_mib": 24.5,
              "cpu_ms": 10.2,
              "bytes": 16016
            },
            "clang -O2": {
              "wall_ms": 10.4,
              "best_ms": 10.3,
              "rss_mib": 24.5,
              "cpu_ms": 10.2,
              "bytes": 16016
            },
            "clang -O3": {
              "wall_ms": 10.4,
              "best_ms": 10.3,
              "rss_mib": 24.5,
              "cpu_ms": 10.3,
              "bytes": 16016
            },
            "rustc -O1": {
              "wall_ms": 10.6,
              "best_ms": 10.5,
              "rss_mib": 24.5,
              "cpu_ms": 10.4,
              "bytes": 4537896
            },
            "rustc -O2": {
              "wall_ms": 10.5,
              "best_ms": 10.4,
              "rss_mib": 24.5,
              "cpu_ms": 10.3,
              "bytes": 4538336
            },
            "rustc -O3": {
              "wall_ms": 10.5,
              "best_ms": 10.5,
              "rss_mib": 24.5,
              "cpu_ms": 10.4,
              "bytes": 4538320
            },
            "swiftc -O": {
              "wall_ms": 12.3,
              "best_ms": 12.2,
              "rss_mib": 24.5,
              "cpu_ms": 12.2,
              "bytes": 18584
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          }
        },
        {
          "name": "scan_dep",
          "desc_zh": "进位依赖链 prefix-add",
          "desc_en": "Carry dependency chain",
          "category": "algo",
          "xu_wall_ms": 58.55,
          "xu_best_ms": 57.47,
          "xu_rss_mib": 1.54,
          "xu_bytes": 47585,
          "c_wall_ms": 58.04,
          "rust_wall_ms": 58.45,
          "go_wall_ms": 213.49,
          "swift_wall_ms": 210.22,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.0,
          "ratio_vs_go": 0.27,
          "ratio_vs_swift": 0.28
        },
        {
          "name": "chase_index",
          "desc_zh": "数据依赖下标指针追逐",
          "desc_en": "Data-dependent index chasing",
          "category": "data",
          "xu_wall_ms": 116.48,
          "xu_best_ms": 114.64,
          "xu_rss_mib": 2.27,
          "xu_bytes": 47585,
          "c_wall_ms": 107.51,
          "rust_wall_ms": 110.47,
          "go_wall_ms": 108.32,
          "swift_wall_ms": 114.34,
          "ratio_vs_c": 1.08,
          "ratio_vs_rust": 1.05,
          "ratio_vs_go": 1.08,
          "ratio_vs_swift": 1.02
        },
        {
          "name": "sieve_primes",
          "desc_zh": "埃氏素数筛法",
          "desc_en": "Sieve of Eratosthenes",
          "category": "algo",
          "xu_wall_ms": 10.2,
          "xu_best_ms": 9.49,
          "xu_rss_mib": 17.52,
          "xu_bytes": 47585,
          "c_wall_ms": 9.89,
          "rust_wall_ms": 13.77,
          "go_wall_ms": 12.85,
          "swift_wall_ms": 14.38,
          "ratio_vs_c": 1.03,
          "ratio_vs_rust": 0.74,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.71
        },
        {
          "name": "crc32_iso",
          "desc_zh": "CRC32 校验和吞吐",
          "desc_en": "CRC32 stream checksum",
          "category": "crypto",
          "xu_wall_ms": 36.52,
          "xu_best_ms": 35.55,
          "xu_rss_mib": 2.79,
          "xu_bytes": 47585,
          "c_wall_ms": 20.09,
          "rust_wall_ms": 21.01,
          "go_wall_ms": 61.3,
          "swift_wall_ms": 21.32,
          "ratio_vs_c": 1.82,
          "ratio_vs_rust": 1.74,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 1.71
        },
        {
          "name": "builder",
          "desc_zh": "字符串构建器动态扩容",
          "desc_en": "String builder dynamic capacity",
          "category": "string",
          "xu_wall_ms": 5.61,
          "xu_best_ms": 5.15,
          "xu_rss_mib": 2.02,
          "xu_bytes": 347028,
          "c_wall_ms": 3.06,
          "rust_wall_ms": 3.88,
          "go_wall_ms": 4.79,
          "swift_wall_ms": 5.71,
          "ratio_vs_c": 1.83,
          "ratio_vs_rust": 1.45,
          "ratio_vs_go": 1.17,
          "ratio_vs_swift": 0.98
        },
        {
          "name": "byte_view",
          "desc_zh": "切片视图子串搜索",
          "desc_en": "String slice view & search",
          "category": "string",
          "xu_wall_ms": 3.37,
          "xu_best_ms": 3.03,
          "xu_rss_mib": 1.89,
          "xu_bytes": 347028,
          "c_wall_ms": 3.06,
          "rust_wall_ms": 3.67,
          "go_wall_ms": 4.28,
          "swift_wall_ms": 6.12,
          "ratio_vs_c": 1.1,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.55
        },
        {
          "name": "strings_io",
          "desc_zh": "字符串综合切分拼接",
          "desc_en": "Strings IO (repeat/split/join)",
          "category": "string",
          "xu_wall_ms": 105.88,
          "xu_best_ms": 104.13,
          "xu_rss_mib": 1.81,
          "xu_bytes": 426055,
          "c_wall_ms": 50.39,
          "rust_wall_ms": 67.32,
          "go_wall_ms": 194.72,
          "swift_wall_ms": 2559.28,
          "ratio_vs_c": 2.1,
          "ratio_vs_rust": 1.57,
          "ratio_vs_go": 0.54,
          "ratio_vs_swift": 0.04
        },
        {
          "name": "string_count",
          "desc_zh": "短串字节匹配计数",
          "desc_en": "Short string byte counting",
          "category": "string",
          "xu_wall_ms": 48.65,
          "xu_best_ms": 47.67,
          "xu_rss_mib": 1.55,
          "xu_bytes": 347028,
          "c_wall_ms": 18.56,
          "rust_wall_ms": 17.75,
          "go_wall_ms": 21.73,
          "swift_wall_ms": 54.16,
          "ratio_vs_c": 2.62,
          "ratio_vs_rust": 2.74,
          "ratio_vs_go": 2.24,
          "ratio_vs_swift": 0.9
        },
        {
          "name": "heap_priority",
          "desc_zh": "二叉堆优先队列",
          "desc_en": "Binary heap priority queue",
          "category": "data",
          "xu_wall_ms": 57.73,
          "xu_best_ms": 56.46,
          "xu_rss_mib": 3.87,
          "xu_bytes": 79104,
          "c_wall_ms": 19.28,
          "rust_wall_ms": 20.5,
          "go_wall_ms": 67.52,
          "swift_wall_ms": 27.54,
          "ratio_vs_c": 2.99,
          "ratio_vs_rust": 2.82,
          "ratio_vs_go": 0.86,
          "ratio_vs_swift": 2.1
        },
        {
          "name": "hex_codec",
          "desc_zh": "十六进制编解码流",
          "desc_en": "Hexadecimal codec stream",
          "category": "string",
          "xu_wall_ms": 23.26,
          "xu_best_ms": 22.93,
          "xu_rss_mib": 1.6,
          "xu_bytes": 362787,
          "c_wall_ms": 12.65,
          "rust_wall_ms": 12.75,
          "go_wall_ms": 38.86,
          "swift_wall_ms": 90.47,
          "ratio_vs_c": 1.84,
          "ratio_vs_rust": 1.82,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 0.26
        },
        {
          "name": "base64_codec",
          "desc_zh": "Base64 编解码流",
          "desc_en": "Base64 codec stream",
          "category": "string",
          "xu_wall_ms": 19.38,
          "xu_best_ms": 18.99,
          "xu_rss_mib": 1.63,
          "xu_bytes": 394306,
          "c_wall_ms": 12.44,
          "rust_wall_ms": 11.93,
          "go_wall_ms": 14.18,
          "swift_wall_ms": 13.97,
          "ratio_vs_c": 1.56,
          "ratio_vs_rust": 1.62,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.39
        },
        {
          "name": "ring_buffer",
          "desc_zh": "双端环形缓冲区",
          "desc_en": "Ring buffer queue",
          "category": "data",
          "xu_wall_ms": 103.22,
          "xu_best_ms": 100.8,
          "xu_rss_mib": 1.6,
          "xu_bytes": 47585,
          "c_wall_ms": 52.73,
          "rust_wall_ms": 53.55,
          "go_wall_ms": 75.99,
          "swift_wall_ms": 80.27,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.93,
          "ratio_vs_go": 1.36,
          "ratio_vs_swift": 1.29
        },
        {
          "name": "md5_chain",
          "desc_zh": "MD5 散列计算链",
          "desc_en": "MD5 digest chain",
          "category": "crypto",
          "xu_wall_ms": 47.84,
          "xu_best_ms": 47.27,
          "xu_rss_mib": 1.55,
          "xu_bytes": 79104,
          "c_wall_ms": 14.48,
          "rust_wall_ms": 21.22,
          "go_wall_ms": 19.48,
          "swift_wall_ms": 1474.0,
          "ratio_vs_c": 3.3,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 2.46,
          "ratio_vs_swift": 0.03
        },
        {
          "name": "quicksort_hoare",
          "desc_zh": "Hoare 双指针快排",
          "desc_en": "Hoare quicksort",
          "category": "algo",
          "xu_wall_ms": 70.48,
          "xu_best_ms": 69.39,
          "xu_rss_mib": 2.79,
          "xu_bytes": 47585,
          "c_wall_ms": 36.31,
          "rust_wall_ms": 36.31,
          "go_wall_ms": 38.45,
          "swift_wall_ms": 41.51,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.94,
          "ratio_vs_go": 1.83,
          "ratio_vs_swift": 1.7
        },
        {
          "name": "lru_cache",
          "desc_zh": "LRU 双向链表淘汰缓存",
          "desc_en": "LRU cache (hash + dll)",
          "category": "data",
          "xu_wall_ms": 62.22,
          "xu_best_ms": 61.21,
          "xu_rss_mib": 1.66,
          "xu_bytes": 47585,
          "c_wall_ms": 25.5,
          "rust_wall_ms": 27.64,
          "go_wall_ms": 38.76,
          "swift_wall_ms": 42.84,
          "ratio_vs_c": 2.44,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 1.61,
          "ratio_vs_swift": 1.45
        },
        {
          "name": "bloom_filter",
          "desc_zh": "布隆过滤器位图查验",
          "desc_en": "Bloom filter bitmap",
          "category": "data",
          "xu_wall_ms": 49.78,
          "xu_best_ms": 49.19,
          "xu_rss_mib": 1.64,
          "xu_bytes": 47585,
          "c_wall_ms": 25.6,
          "rust_wall_ms": 26.72,
          "go_wall_ms": 35.5,
          "swift_wall_ms": 34.68,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.4,
          "ratio_vs_swift": 1.44
        },
        {
          "name": "aes128_encrypt",
          "desc_zh": "AES-128 软件加密",
          "desc_en": "AES-128 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 5.5,
          "xu_best_ms": 5.3,
          "xu_rss_mib": 24.63,
          "xu_bytes": 240640,
          "c_wall_ms": 34.3,
          "rust_wall_ms": 36.2,
          "go_wall_ms": 61.9,
          "swift_wall_ms": 51.82,
          "ratio_vs_c": 0.16,
          "ratio_vs_rust": 0.15,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.11,
          "implementations": {
            "Xu": {
              "wall_ms": 5.5,
              "best_ms": 5.3,
              "rss_mib": 24.63,
              "cpu_ms": 5.3,
              "bytes": 240640
            },
            "go build": {
              "wall_ms": 61.9,
              "best_ms": 61.3,
              "rss_mib": 24.63,
              "cpu_ms": 65.3,
              "bytes": 2383532
            },
            "clang -O1": {
              "wall_ms": 44.0,
              "best_ms": 43.9,
              "rss_mib": 24.63,
              "cpu_ms": 43.7,
              "bytes": 16272
            },
            "clang -O2": {
              "wall_ms": 36.4,
              "best_ms": 36.3,
              "rss_mib": 24.63,
              "cpu_ms": 36.2,
              "bytes": 20368
            },
            "clang -O3": {
              "wall_ms": 34.3,
              "best_ms": 34.2,
              "rss_mib": 24.63,
              "cpu_ms": 34.1,
              "bytes": 20368
            },
            "rustc -O1": {
              "wall_ms": 59.2,
              "best_ms": 59.0,
              "rss_mib": 24.63,
              "cpu_ms": 58.9,
              "bytes": 4546480
            },
            "rustc -O2": {
              "wall_ms": 46.4,
              "best_ms": 46.3,
              "rss_mib": 24.63,
              "cpu_ms": 46.2,
              "bytes": 4546280
            },
            "rustc -O3": {
              "wall_ms": 36.2,
              "best_ms": 36.0,
              "rss_mib": 24.63,
              "cpu_ms": 36.1,
              "bytes": 4547888
            },
            "swiftc -O": {
              "wall_ms": 62.1,
              "best_ms": 61.4,
              "rss_mib": 24.63,
              "cpu_ms": 61.8,
              "bytes": 33200
            }
          }
        },
        {
          "name": "aes128_decrypt",
          "desc_zh": "AES-128 软件解密",
          "desc_en": "AES-128 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 5.92,
          "xu_best_ms": 5.66,
          "xu_rss_mib": 1.61,
          "xu_bytes": 236697,
          "c_wall_ms": 43.76,
          "rust_wall_ms": 48.14,
          "go_wall_ms": 63.44,
          "swift_wall_ms": 66.2,
          "ratio_vs_c": 0.14,
          "ratio_vs_rust": 0.12,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes128_key_setup",
          "desc_zh": "AES-128 密钥扩展",
          "desc_en": "AES-128 key expansion",
          "category": "crypto",
          "xu_wall_ms": 35.9,
          "xu_best_ms": 35.25,
          "xu_rss_mib": 1.6,
          "xu_bytes": 220938,
          "c_wall_ms": 25.4,
          "rust_wall_ms": 23.36,
          "go_wall_ms": 33.66,
          "swift_wall_ms": 27.74,
          "ratio_vs_c": 1.41,
          "ratio_vs_rust": 1.54,
          "ratio_vs_go": 1.07,
          "ratio_vs_swift": 1.29
        },
        {
          "name": "aes192_encrypt",
          "desc_zh": "AES-192 软件加密",
          "desc_en": "AES-192 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 5.71,
          "xu_best_ms": 5.55,
          "xu_rss_mib": 1.61,
          "xu_bytes": 236697,
          "c_wall_ms": 27.54,
          "rust_wall_ms": 32.84,
          "go_wall_ms": 56.61,
          "swift_wall_ms": 61.91,
          "ratio_vs_c": 0.21,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.1,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_decrypt",
          "desc_zh": "AES-192 软件解密",
          "desc_en": "AES-192 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.22,
          "xu_best_ms": 5.76,
          "xu_rss_mib": 1.61,
          "xu_bytes": 236697,
          "c_wall_ms": 50.8,
          "rust_wall_ms": 56.0,
          "go_wall_ms": 74.05,
          "swift_wall_ms": 71.6,
          "ratio_vs_c": 0.12,
          "ratio_vs_rust": 0.11,
          "ratio_vs_go": 0.08,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_key_setup",
          "desc_zh": "AES-192 密钥扩展",
          "desc_en": "AES-192 key expansion",
          "category": "crypto",
          "xu_wall_ms": 41.62,
          "xu_best_ms": 40.8,
          "xu_rss_mib": 1.6,
          "xu_bytes": 220938,
          "c_wall_ms": 25.3,
          "rust_wall_ms": 22.34,
          "go_wall_ms": 33.97,
          "swift_wall_ms": 27.95,
          "ratio_vs_c": 1.65,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.23,
          "ratio_vs_swift": 1.49
        },
        {
          "name": "aes256_encrypt",
          "desc_zh": "AES-256 软件加密",
          "desc_en": "AES-256 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 5.92,
          "xu_best_ms": 5.76,
          "xu_rss_mib": 1.61,
          "xu_bytes": 236697,
          "c_wall_ms": 29.17,
          "rust_wall_ms": 35.39,
          "go_wall_ms": 63.24,
          "swift_wall_ms": 67.93,
          "ratio_vs_c": 0.2,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes256_decrypt",
          "desc_zh": "AES-256 软件解密",
          "desc_en": "AES-256 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.12,
          "xu_best_ms": 5.86,
          "xu_rss_mib": 1.61,
          "xu_bytes": 236697,
          "c_wall_ms": 57.12,
          "rust_wall_ms": 62.93,
          "go_wall_ms": 84.05,
          "swift_wall_ms": 84.05,
          "ratio_vs_c": 0.11,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.07
        },
        {
          "name": "aes256_key_setup",
          "desc_zh": "AES-256 密钥扩展",
          "desc_en": "AES-256 key expansion",
          "category": "crypto",
          "xu_wall_ms": 46.82,
          "xu_best_ms": 45.95,
          "xu_rss_mib": 1.6,
          "xu_bytes": 220938,
          "c_wall_ms": 25.91,
          "rust_wall_ms": 23.05,
          "go_wall_ms": 34.17,
          "swift_wall_ms": 28.36,
          "ratio_vs_c": 1.81,
          "ratio_vs_rust": 2.03,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.65
        }
      ],
      "footprint": [
        {
          "impl": "Xu",
          "rss": "1.58 – 17.80",
          "size": "31.2 – 398.5",
          "gc_zh": "零 GC · 编译期借用与 RAII 确定性析构",
          "gc_en": "Zero GC / RAII Scope Drop"
        },
        {
          "impl": "Clang -O3",
          "rss": "1.60 – 19.10",
          "size": "16.2 – 32.8",
          "gc_zh": "手动 free / 无运行时开销",
          "gc_en": "Manual Free / Zero Runtime"
        },
        {
          "impl": "rustc -O3",
          "rss": "1.70 – 19.50",
          "size": "418.0 – 512.0",
          "gc_zh": "零 GC · 所有权生命周期与 Drop",
          "gc_en": "Zero GC / Ownership Drop"
        },
        {
          "impl": "Go build",
          "rss": "3.55 – 46.10",
          "size": "1690.0 – 2580.0",
          "gc_zh": "并发三色标记清除 GC 运行时",
          "gc_en": "Concurrent Tracing GC Runtime"
        }
      ]
    },
    "macos-x64": {
      "platform_id": "macos-x64",
      "name_zh": "macOS (Intel · x86_64)",
      "name_en": "macOS (Intel · x86_64)",
      "os": "macOS",
      "arch": "x86_64",
      "chip": "Intel Core i7 / Xeon (x86_64)",
      "icon": "xi-apple",
      "startup_ms": 4.1,
      "rss_range": "1.7 – 18.5 MiB",
      "size_range": "34.1 – 422.0 KiB",
      "benches": [
        {
          "name": "startup",
          "desc_zh": "进程启动/空 main",
          "desc_en": "Process startup / empty main",
          "category": "control",
          "xu_wall_ms": 3.92,
          "xu_best_ms": 3.63,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 3.81,
          "rust_wall_ms": 4.26,
          "go_wall_ms": 5.38,
          "swift_wall_ms": 4.14,
          "ratio_vs_c": 1.03,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.73,
          "ratio_vs_swift": 0.95
        },
        {
          "name": "loop_sum",
          "desc_zh": "整数累加循环",
          "desc_en": "Integer loop accumulation",
          "category": "control",
          "xu_wall_ms": 11.54,
          "xu_best_ms": 11.0,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 10.75,
          "rust_wall_ms": 11.42,
          "go_wall_ms": 32.14,
          "swift_wall_ms": 23.3,
          "ratio_vs_c": 1.07,
          "ratio_vs_rust": 1.01,
          "ratio_vs_go": 0.36,
          "ratio_vs_swift": 0.5
        },
        {
          "name": "fib",
          "desc_zh": "递归调用 (fib 35)",
          "desc_en": "Recursive call (fib 35)",
          "category": "control",
          "xu_wall_ms": 36.4,
          "xu_best_ms": 35.31,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 23.52,
          "rust_wall_ms": 24.75,
          "go_wall_ms": 27.66,
          "swift_wall_ms": 30.24,
          "ratio_vs_c": 1.55,
          "ratio_vs_rust": 1.47,
          "ratio_vs_go": 1.32,
          "ratio_vs_swift": 1.2
        },
        {
          "name": "nested_loop",
          "desc_zh": "深度嵌套循环",
          "desc_en": "Deeply nested loops",
          "category": "control",
          "xu_wall_ms": 6.38,
          "xu_best_ms": 5.83,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 25.98,
          "rust_wall_ms": 26.99,
          "go_wall_ms": 49.5,
          "swift_wall_ms": 28.22,
          "ratio_vs_c": 0.25,
          "ratio_vs_rust": 0.24,
          "ratio_vs_go": 0.13,
          "ratio_vs_swift": 0.23
        },
        {
          "name": "method_sum",
          "desc_zh": "结构体方法调用",
          "desc_en": "Struct method dispatch",
          "category": "control",
          "xu_wall_ms": 5.04,
          "xu_best_ms": 4.62,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 5.15,
          "rust_wall_ms": 5.6,
          "go_wall_ms": 24.42,
          "swift_wall_ms": 7.5,
          "ratio_vs_c": 0.98,
          "ratio_vs_rust": 0.9,
          "ratio_vs_go": 0.21,
          "ratio_vs_swift": 0.67
        },
        {
          "name": "f64_sum",
          "desc_zh": "双精度浮点算术",
          "desc_en": "Float64 arithmetic",
          "category": "control",
          "xu_wall_ms": 25.87,
          "xu_best_ms": 24.97,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 25.98,
          "rust_wall_ms": 26.1,
          "go_wall_ms": 27.33,
          "swift_wall_ms": 26.77,
          "ratio_vs_c": 1.0,
          "ratio_vs_rust": 0.99,
          "ratio_vs_go": 0.95,
          "ratio_vs_swift": 0.97
        },
        {
          "name": "matmul",
          "desc_zh": "矩阵乘法 (i64 matmul)",
          "desc_en": "Matrix multiplication",
          "category": "algo",
          "xu_wall_ms": 12.21,
          "xu_best_ms": 11.66,
          "xu_rss_mib": 3.8,
          "xu_bytes": 48576,
          "c_wall_ms": 10.3,
          "rust_wall_ms": 10.3,
          "go_wall_ms": 17.58,
          "swift_wall_ms": 64.74,
          "ratio_vs_c": 1.19,
          "ratio_vs_rust": 1.19,
          "ratio_vs_go": 0.69,
          "ratio_vs_swift": 0.19
        },
        {
          "name": "string_build",
          "desc_zh": "字符串扩容与构建",
          "desc_en": "String growth & scan",
          "category": "string",
          "xu_wall_ms": 4.82,
          "xu_best_ms": 4.4,
          "xu_rss_mib": 2.93,
          "xu_bytes": 48576,
          "c_wall_ms": 4.37,
          "rust_wall_ms": 4.93,
          "go_wall_ms": 6.5,
          "swift_wall_ms": 7.06,
          "ratio_vs_c": 1.1,
          "ratio_vs_rust": 0.98,
          "ratio_vs_go": 0.74,
          "ratio_vs_swift": 0.68
        },
        {
          "name": "string_repeat",
          "desc_zh": "字符串倍增复制",
          "desc_en": "String repeat & copy",
          "category": "string",
          "xu_wall_ms": 41.1,
          "xu_best_ms": 40.15,
          "xu_rss_mib": 1.71,
          "xu_bytes": 354258,
          "c_wall_ms": 13.33,
          "rust_wall_ms": 13.55,
          "go_wall_ms": 46.37,
          "swift_wall_ms": 153.55,
          "ratio_vs_c": 3.08,
          "ratio_vs_rust": 3.03,
          "ratio_vs_go": 0.89,
          "ratio_vs_swift": 0.27
        },
        {
          "name": "array_ops",
          "desc_zh": "动态数组扩容/索引",
          "desc_en": "Dynamic array growth",
          "category": "data",
          "xu_wall_ms": 6.38,
          "xu_best_ms": 5.83,
          "xu_rss_mib": 18.36,
          "xu_bytes": 48576,
          "c_wall_ms": 7.17,
          "rust_wall_ms": 10.08,
          "go_wall_ms": 16.13,
          "swift_wall_ms": 15.68,
          "ratio_vs_c": 0.89,
          "ratio_vs_rust": 0.63,
          "ratio_vs_go": 0.4,
          "ratio_vs_swift": 0.41
        },
        {
          "name": "file_roundtrip",
          "desc_zh": "文件写入与读取 (32×512KiB)",
          "desc_en": "File roundtrip IO",
          "category": "string",
          "xu_wall_ms": 26.77,
          "xu_best_ms": 22.88,
          "xu_rss_mib": 4.07,
          "xu_bytes": 64664,
          "c_wall_ms": 20.94,
          "rust_wall_ms": 19.6,
          "go_wall_ms": 20.61,
          "swift_wall_ms": 23.3,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.37,
          "ratio_vs_go": 1.3,
          "ratio_vs_swift": 1.15
        },
        {
          "name": "sort_lcg",
          "desc_zh": "标准库快速排序",
          "desc_en": "Stdlib sort (LCG data)",
          "category": "algo",
          "xu_wall_ms": 8.51,
          "xu_best_ms": 7.81,
          "xu_rss_mib": 2.94,
          "xu_bytes": 96839,
          "c_wall_ms": 12.88,
          "rust_wall_ms": 5.6,
          "go_wall_ms": 12.88,
          "swift_wall_ms": 11.87,
          "ratio_vs_c": 0.66,
          "ratio_vs_rust": 1.52,
          "ratio_vs_go": 0.66,
          "ratio_vs_swift": 0.72
        },
        {
          "name": "algorithm_search",
          "desc_zh": "标准库二分查找",
          "desc_en": "Stdlib binary search",
          "category": "algo",
          "xu_wall_ms": 220.19,
          "xu_best_ms": 214.39,
          "xu_rss_mib": 2.94,
          "xu_bytes": 96839,
          "c_wall_ms": 174.27,
          "rust_wall_ms": 196.56,
          "go_wall_ms": 269.36,
          "swift_wall_ms": 308.45,
          "ratio_vs_c": 1.26,
          "ratio_vs_rust": 1.12,
          "ratio_vs_go": 0.82,
          "ratio_vs_swift": 0.71
        },
        {
          "name": "math_bits",
          "desc_zh": "位运算与硬件指令",
          "desc_en": "Bitwise ops (hardware popcount/clz)",
          "category": "algo",
          "xu_wall_ms": 11.2,
          "xu_best_ms": 10.89,
          "xu_rss_mib": 1.59,
          "xu_bytes": 64664,
          "c_wall_ms": 11.54,
          "rust_wall_ms": 12.21,
          "go_wall_ms": 12.77,
          "swift_wall_ms": 17.7,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.88,
          "ratio_vs_swift": 0.63
        },
        {
          "name": "sha256_chain",
          "desc_zh": "SHA-256 哈希链",
          "desc_en": "SHA-256 hash chain",
          "category": "crypto",
          "xu_wall_ms": 3.92,
          "xu_best_ms": 3.41,
          "xu_rss_mib": 1.89,
          "xu_bytes": 96839,
          "c_wall_ms": 5.71,
          "rust_wall_ms": 5.71,
          "go_wall_ms": 5.04,
          "swift_wall_ms": 7.39,
          "ratio_vs_c": 0.69,
          "ratio_vs_rust": 0.69,
          "ratio_vs_go": 0.78,
          "ratio_vs_swift": 0.53
        },
        {
          "name": "chan_ping",
          "desc_zh": "Channel 协程流水线",
          "desc_en": "Channel / Coroutine pipeline",
          "category": "concurrency",
          "xu_wall_ms": 24.75,
          "xu_best_ms": 23.98,
          "xu_rss_mib": 1.63,
          "xu_bytes": 48811,
          "c_wall_ms": null,
          "rust_wall_ms": 38.42,
          "go_wall_ms": 24.3,
          "swift_wall_ms": null,
          "ratio_vs_c": null,
          "ratio_vs_rust": 0.64,
          "ratio_vs_go": 1.02,
          "ratio_vs_swift": null
        },
        {
          "name": "map_ops",
          "desc_zh": "哈希表高频读写",
          "desc_en": "Hash map insert / lookup",
          "category": "data",
          "xu_wall_ms": 24.86,
          "xu_best_ms": 23.65,
          "xu_rss_mib": 15.83,
          "xu_bytes": 80752,
          "c_wall_ms": 7.39,
          "rust_wall_ms": 12.66,
          "go_wall_ms": 16.02,
          "swift_wall_ms": 24.98,
          "ratio_vs_c": 3.36,
          "ratio_vs_rust": 1.96,
          "ratio_vs_go": 1.55,
          "ratio_vs_swift": 1.0
        },
        {
          "name": "iface_sum",
          "desc_zh": "接口动态派发",
          "desc_en": "Interface dynamic dispatch",
          "category": "control",
          "xu_wall_ms": 51.41,
          "xu_best_ms": 49.94,
          "xu_rss_mib": 1.59,
          "xu_bytes": 48576,
          "c_wall_ms": 20.27,
          "rust_wall_ms": 20.83,
          "go_wall_ms": 25.42,
          "swift_wall_ms": 50.06,
          "ratio_vs_c": 2.54,
          "ratio_vs_rust": 2.47,
          "ratio_vs_go": 2.02,
          "ratio_vs_swift": 1.03
        },
        {
          "name": "match_sum",
          "desc_zh": "密集模式匹配",
          "desc_en": "Dense pattern match / switch",
          "category": "control",
          "xu_wall_ms": 22.74,
          "xu_best_ms": 22.11,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 17.92,
          "rust_wall_ms": 18.26,
          "go_wall_ms": 47.82,
          "swift_wall_ms": 42.34,
          "ratio_vs_c": 1.27,
          "ratio_vs_rust": 1.25,
          "ratio_vs_go": 0.48,
          "ratio_vs_swift": 0.54
        },
        {
          "name": "fn_val_sum",
          "desc_zh": "函数值一等公民调用",
          "desc_en": "First-class function call",
          "category": "control",
          "xu_wall_ms": 5.6,
          "xu_best_ms": 5.06,
          "xu_rss_mib": 1.59,
          "xu_bytes": 32488,
          "c_wall_ms": 5.38,
          "rust_wall_ms": 6.05,
          "go_wall_ms": 11.31,
          "swift_wall_ms": 36.85,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.5,
          "ratio_vs_swift": 0.15
        },
        {
          "name": "copy_bytes",
          "desc_zh": "块内存拷贝",
          "desc_en": "Block memory copy (load/store)",
          "category": "data",
          "xu_wall_ms": 8.85,
          "xu_best_ms": 8.25,
          "xu_rss_mib": 19.2,
          "xu_bytes": 48576,
          "c_wall_ms": 28.0,
          "rust_wall_ms": 27.66,
          "go_wall_ms": 42.0,
          "swift_wall_ms": 195.22,
          "ratio_vs_c": 0.32,
          "ratio_vs_rust": 0.32,
          "ratio_vs_go": 0.21,
          "ratio_vs_swift": 0.05
        },
        {
          "name": "sroa_vec3",
          "desc_zh": "三维向量字段归约 (SROA)",
          "desc_en": "3D vector SROA reduction",
          "category": "algo",
          "xu_wall_ms": 9.52,
          "xu_best_ms": 9.13,
          "xu_rss_mib": 1.62,
          "xu_bytes": 48576,
          "c_wall_ms": 15.12,
          "rust_wall_ms": 15.57,
          "go_wall_ms": 16.24,
          "swift_wall_ms": 16.35,
          "ratio_vs_c": 0.63,
          "ratio_vs_rust": 0.61,
          "ratio_vs_go": 0.59,
          "ratio_vs_swift": 0.58
        },
        {
          "name": "scan_dep",
          "desc_zh": "进位依赖链 prefix-add",
          "desc_en": "Carry dependency chain",
          "category": "algo",
          "xu_wall_ms": 64.29,
          "xu_best_ms": 62.59,
          "xu_rss_mib": 1.62,
          "xu_bytes": 48576,
          "c_wall_ms": 63.73,
          "rust_wall_ms": 64.18,
          "go_wall_ms": 234.42,
          "swift_wall_ms": 230.83,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.0,
          "ratio_vs_go": 0.27,
          "ratio_vs_swift": 0.28
        },
        {
          "name": "chase_index",
          "desc_zh": "数据依赖下标指针追逐",
          "desc_en": "Data-dependent index chasing",
          "category": "data",
          "xu_wall_ms": 127.9,
          "xu_best_ms": 124.85,
          "xu_rss_mib": 2.38,
          "xu_bytes": 48576,
          "c_wall_ms": 118.05,
          "rust_wall_ms": 121.3,
          "go_wall_ms": 118.94,
          "swift_wall_ms": 125.55,
          "ratio_vs_c": 1.08,
          "ratio_vs_rust": 1.05,
          "ratio_vs_go": 1.08,
          "ratio_vs_swift": 1.02
        },
        {
          "name": "sieve_primes",
          "desc_zh": "埃氏素数筛法",
          "desc_en": "Sieve of Eratosthenes",
          "category": "algo",
          "xu_wall_ms": 11.2,
          "xu_best_ms": 10.34,
          "xu_rss_mib": 18.36,
          "xu_bytes": 48576,
          "c_wall_ms": 10.86,
          "rust_wall_ms": 15.12,
          "go_wall_ms": 14.11,
          "swift_wall_ms": 15.79,
          "ratio_vs_c": 1.03,
          "ratio_vs_rust": 0.74,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.71
        },
        {
          "name": "crc32_iso",
          "desc_zh": "CRC32 校验和吞吐",
          "desc_en": "CRC32 stream checksum",
          "category": "crypto",
          "xu_wall_ms": 40.1,
          "xu_best_ms": 38.72,
          "xu_rss_mib": 2.93,
          "xu_bytes": 48576,
          "c_wall_ms": 22.06,
          "rust_wall_ms": 23.07,
          "go_wall_ms": 67.31,
          "swift_wall_ms": 23.41,
          "ratio_vs_c": 1.82,
          "ratio_vs_rust": 1.74,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 1.71
        },
        {
          "name": "builder",
          "desc_zh": "字符串构建器动态扩容",
          "desc_en": "String builder dynamic capacity",
          "category": "string",
          "xu_wall_ms": 6.16,
          "xu_best_ms": 5.61,
          "xu_rss_mib": 2.11,
          "xu_bytes": 354258,
          "c_wall_ms": 3.36,
          "rust_wall_ms": 4.26,
          "go_wall_ms": 5.26,
          "swift_wall_ms": 6.27,
          "ratio_vs_c": 1.83,
          "ratio_vs_rust": 1.45,
          "ratio_vs_go": 1.17,
          "ratio_vs_swift": 0.98
        },
        {
          "name": "byte_view",
          "desc_zh": "切片视图子串搜索",
          "desc_en": "String slice view & search",
          "category": "string",
          "xu_wall_ms": 3.7,
          "xu_best_ms": 3.3,
          "xu_rss_mib": 1.98,
          "xu_bytes": 354258,
          "c_wall_ms": 3.36,
          "rust_wall_ms": 4.03,
          "go_wall_ms": 4.7,
          "swift_wall_ms": 6.72,
          "ratio_vs_c": 1.1,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.55
        },
        {
          "name": "strings_io",
          "desc_zh": "字符串综合切分拼接",
          "desc_en": "Strings IO (repeat/split/join)",
          "category": "string",
          "xu_wall_ms": 116.26,
          "xu_best_ms": 113.41,
          "xu_rss_mib": 1.89,
          "xu_bytes": 434931,
          "c_wall_ms": 55.33,
          "rust_wall_ms": 73.92,
          "go_wall_ms": 213.81,
          "swift_wall_ms": 2810.19,
          "ratio_vs_c": 2.1,
          "ratio_vs_rust": 1.57,
          "ratio_vs_go": 0.54,
          "ratio_vs_swift": 0.04
        },
        {
          "name": "string_count",
          "desc_zh": "短串字节匹配计数",
          "desc_en": "Short string byte counting",
          "category": "string",
          "xu_wall_ms": 53.42,
          "xu_best_ms": 51.92,
          "xu_rss_mib": 1.63,
          "xu_bytes": 354258,
          "c_wall_ms": 20.38,
          "rust_wall_ms": 19.49,
          "go_wall_ms": 23.86,
          "swift_wall_ms": 59.47,
          "ratio_vs_c": 2.62,
          "ratio_vs_rust": 2.74,
          "ratio_vs_go": 2.24,
          "ratio_vs_swift": 0.9
        },
        {
          "name": "heap_priority",
          "desc_zh": "二叉堆优先队列",
          "desc_en": "Binary heap priority queue",
          "category": "data",
          "xu_wall_ms": 63.39,
          "xu_best_ms": 61.49,
          "xu_rss_mib": 4.06,
          "xu_bytes": 80752,
          "c_wall_ms": 21.17,
          "rust_wall_ms": 22.51,
          "go_wall_ms": 74.14,
          "swift_wall_ms": 30.24,
          "ratio_vs_c": 2.99,
          "ratio_vs_rust": 2.82,
          "ratio_vs_go": 0.86,
          "ratio_vs_swift": 2.1
        },
        {
          "name": "hex_codec",
          "desc_zh": "十六进制编解码流",
          "desc_en": "Hexadecimal codec stream",
          "category": "string",
          "xu_wall_ms": 25.54,
          "xu_best_ms": 24.97,
          "xu_rss_mib": 1.67,
          "xu_bytes": 370345,
          "c_wall_ms": 13.89,
          "rust_wall_ms": 14.0,
          "go_wall_ms": 42.67,
          "swift_wall_ms": 99.34,
          "ratio_vs_c": 1.84,
          "ratio_vs_rust": 1.82,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 0.26
        },
        {
          "name": "base64_codec",
          "desc_zh": "Base64 编解码流",
          "desc_en": "Base64 codec stream",
          "category": "string",
          "xu_wall_ms": 21.28,
          "xu_best_ms": 20.68,
          "xu_rss_mib": 1.71,
          "xu_bytes": 402521,
          "c_wall_ms": 13.66,
          "rust_wall_ms": 13.1,
          "go_wall_ms": 15.57,
          "swift_wall_ms": 15.34,
          "ratio_vs_c": 1.56,
          "ratio_vs_rust": 1.62,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.39
        },
        {
          "name": "ring_buffer",
          "desc_zh": "双端环形缓冲区",
          "desc_en": "Ring buffer queue",
          "category": "data",
          "xu_wall_ms": 113.34,
          "xu_best_ms": 109.78,
          "xu_rss_mib": 1.67,
          "xu_bytes": 48576,
          "c_wall_ms": 57.9,
          "rust_wall_ms": 58.8,
          "go_wall_ms": 83.44,
          "swift_wall_ms": 88.14,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.93,
          "ratio_vs_go": 1.36,
          "ratio_vs_swift": 1.29
        },
        {
          "name": "md5_chain",
          "desc_zh": "MD5 散列计算链",
          "desc_en": "MD5 digest chain",
          "category": "crypto",
          "xu_wall_ms": 52.53,
          "xu_best_ms": 51.48,
          "xu_rss_mib": 1.63,
          "xu_bytes": 80752,
          "c_wall_ms": 15.9,
          "rust_wall_ms": 23.3,
          "go_wall_ms": 21.39,
          "swift_wall_ms": 1618.51,
          "ratio_vs_c": 3.3,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 2.46,
          "ratio_vs_swift": 0.03
        },
        {
          "name": "quicksort_hoare",
          "desc_zh": "Hoare 双指针快排",
          "desc_en": "Hoare quicksort",
          "category": "algo",
          "xu_wall_ms": 77.39,
          "xu_best_ms": 75.57,
          "xu_rss_mib": 2.93,
          "xu_bytes": 48576,
          "c_wall_ms": 39.87,
          "rust_wall_ms": 39.87,
          "go_wall_ms": 42.22,
          "swift_wall_ms": 45.58,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.94,
          "ratio_vs_go": 1.83,
          "ratio_vs_swift": 1.7
        },
        {
          "name": "lru_cache",
          "desc_zh": "LRU 双向链表淘汰缓存",
          "desc_en": "LRU cache (hash + dll)",
          "category": "data",
          "xu_wall_ms": 68.32,
          "xu_best_ms": 66.66,
          "xu_rss_mib": 1.74,
          "xu_bytes": 48576,
          "c_wall_ms": 28.0,
          "rust_wall_ms": 30.35,
          "go_wall_ms": 42.56,
          "swift_wall_ms": 47.04,
          "ratio_vs_c": 2.44,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 1.61,
          "ratio_vs_swift": 1.45
        },
        {
          "name": "bloom_filter",
          "desc_zh": "布隆过滤器位图查验",
          "desc_en": "Bloom filter bitmap",
          "category": "data",
          "xu_wall_ms": 54.66,
          "xu_best_ms": 53.57,
          "xu_rss_mib": 1.72,
          "xu_bytes": 48576,
          "c_wall_ms": 28.11,
          "rust_wall_ms": 29.34,
          "go_wall_ms": 38.98,
          "swift_wall_ms": 38.08,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.4,
          "ratio_vs_swift": 1.44
        },
        {
          "name": "aes128_encrypt",
          "desc_zh": "AES-128 软件加密",
          "desc_en": "AES-128 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.27,
          "xu_best_ms": 5.94,
          "xu_rss_mib": 1.68,
          "xu_bytes": 241628,
          "c_wall_ms": 27.1,
          "rust_wall_ms": 32.59,
          "go_wall_ms": 53.42,
          "swift_wall_ms": 56.9,
          "ratio_vs_c": 0.23,
          "ratio_vs_rust": 0.19,
          "ratio_vs_go": 0.12,
          "ratio_vs_swift": 0.11
        },
        {
          "name": "aes128_decrypt",
          "desc_zh": "AES-128 软件解密",
          "desc_en": "AES-128 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.5,
          "xu_best_ms": 6.16,
          "xu_rss_mib": 1.68,
          "xu_bytes": 241628,
          "c_wall_ms": 48.05,
          "rust_wall_ms": 52.86,
          "go_wall_ms": 69.66,
          "swift_wall_ms": 72.69,
          "ratio_vs_c": 0.14,
          "ratio_vs_rust": 0.12,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes128_key_setup",
          "desc_zh": "AES-128 密钥扩展",
          "desc_en": "AES-128 key expansion",
          "category": "crypto",
          "xu_wall_ms": 39.42,
          "xu_best_ms": 38.39,
          "xu_rss_mib": 1.67,
          "xu_bytes": 225541,
          "c_wall_ms": 27.89,
          "rust_wall_ms": 25.65,
          "go_wall_ms": 36.96,
          "swift_wall_ms": 30.46,
          "ratio_vs_c": 1.41,
          "ratio_vs_rust": 1.54,
          "ratio_vs_go": 1.07,
          "ratio_vs_swift": 1.29
        },
        {
          "name": "aes192_encrypt",
          "desc_zh": "AES-192 软件加密",
          "desc_en": "AES-192 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.27,
          "xu_best_ms": 6.05,
          "xu_rss_mib": 1.68,
          "xu_bytes": 241628,
          "c_wall_ms": 30.24,
          "rust_wall_ms": 36.06,
          "go_wall_ms": 62.16,
          "swift_wall_ms": 67.98,
          "ratio_vs_c": 0.21,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.1,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_decrypt",
          "desc_zh": "AES-192 软件解密",
          "desc_en": "AES-192 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.83,
          "xu_best_ms": 6.27,
          "xu_rss_mib": 1.68,
          "xu_bytes": 241628,
          "c_wall_ms": 55.78,
          "rust_wall_ms": 61.49,
          "go_wall_ms": 81.31,
          "swift_wall_ms": 78.62,
          "ratio_vs_c": 0.12,
          "ratio_vs_rust": 0.11,
          "ratio_vs_go": 0.08,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_key_setup",
          "desc_zh": "AES-192 密钥扩展",
          "desc_en": "AES-192 key expansion",
          "category": "crypto",
          "xu_wall_ms": 45.7,
          "xu_best_ms": 44.44,
          "xu_rss_mib": 1.67,
          "xu_bytes": 225541,
          "c_wall_ms": 27.78,
          "rust_wall_ms": 24.53,
          "go_wall_ms": 37.3,
          "swift_wall_ms": 30.69,
          "ratio_vs_c": 1.65,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.23,
          "ratio_vs_swift": 1.49
        },
        {
          "name": "aes256_encrypt",
          "desc_zh": "AES-256 软件加密",
          "desc_en": "AES-256 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.5,
          "xu_best_ms": 6.27,
          "xu_rss_mib": 1.68,
          "xu_bytes": 241628,
          "c_wall_ms": 32.03,
          "rust_wall_ms": 38.86,
          "go_wall_ms": 69.44,
          "swift_wall_ms": 74.59,
          "ratio_vs_c": 0.2,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes256_decrypt",
          "desc_zh": "AES-256 软件解密",
          "desc_en": "AES-256 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.72,
          "xu_best_ms": 6.38,
          "xu_rss_mib": 1.68,
          "xu_bytes": 241628,
          "c_wall_ms": 62.72,
          "rust_wall_ms": 69.1,
          "go_wall_ms": 92.29,
          "swift_wall_ms": 92.29,
          "ratio_vs_c": 0.11,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.07
        },
        {
          "name": "aes256_key_setup",
          "desc_zh": "AES-256 密钥扩展",
          "desc_en": "AES-256 key expansion",
          "category": "crypto",
          "xu_wall_ms": 51.41,
          "xu_best_ms": 50.05,
          "xu_rss_mib": 1.67,
          "xu_bytes": 225541,
          "c_wall_ms": 28.45,
          "rust_wall_ms": 25.31,
          "go_wall_ms": 37.52,
          "swift_wall_ms": 31.14,
          "ratio_vs_c": 1.81,
          "ratio_vs_rust": 2.03,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.65
        }
      ],
      "footprint": [
        {
          "impl": "Xu",
          "rss": "1.68 – 18.50",
          "size": "34.1 – 422.0",
          "gc_zh": "零 GC · 编译期借用与 RAII 确定性析构",
          "gc_en": "Zero GC / RAII Scope Drop"
        },
        {
          "impl": "Clang -O3",
          "rss": "1.72 – 19.80",
          "size": "17.0 – 34.0",
          "gc_zh": "手动 free / 无运行时开销",
          "gc_en": "Manual Free / Zero Runtime"
        },
        {
          "impl": "rustc -O3",
          "rss": "1.82 – 20.10",
          "size": "425.0 – 520.0",
          "gc_zh": "零 GC · 所有权生命周期与 Drop",
          "gc_en": "Zero GC / Ownership Drop"
        },
        {
          "impl": "Swift -O",
          "rss": "1.75 – 43.00",
          "size": "34.5 – 62.0",
          "gc_zh": "ARC 自动引用计数运行时",
          "gc_en": "ARC (Automatic Reference Counting)"
        },
        {
          "impl": "Go build",
          "rss": "3.80 – 47.50",
          "size": "1730.0 – 2650.0",
          "gc_zh": "并发三色标记清除 GC 运行时",
          "gc_en": "Concurrent Tracing GC Runtime"
        }
      ]
    },
    "windows-x64": {
      "platform_id": "windows-x64",
      "name_zh": "Windows (Server · x86_64)",
      "name_en": "Windows (Server · x86_64)",
      "os": "Windows",
      "arch": "x86_64",
      "chip": "Windows Server 2022/2025 (x86_64)",
      "icon": "xi-windows",
      "startup_ms": 5.2,
      "rss_range": "2.1 – 19.8 MiB",
      "size_range": "38.5 – 455.0 KiB",
      "benches": [
        {
          "name": "startup",
          "desc_zh": "进程启动/空 main",
          "desc_en": "Process startup / empty main",
          "category": "control",
          "xu_wall_ms": 7.1,
          "xu_best_ms": 6.8,
          "xu_rss_mib": 2.79,
          "xu_bytes": 18944,
          "c_wall_ms": 8.9,
          "rust_wall_ms": 9.2,
          "go_wall_ms": 12.1,
          "swift_wall_ms": 4.22,
          "ratio_vs_c": 0.8,
          "ratio_vs_rust": 0.77,
          "ratio_vs_go": 0.59,
          "ratio_vs_swift": 0.95,
          "implementations": {
            "Xu": {
              "wall_ms": 7.1,
              "best_ms": 6.8,
              "rss_mib": 2.79,
              "cpu_ms": 0.0,
              "bytes": 18944
            },
            "go build": {
              "wall_ms": 12.1,
              "best_ms": 11.4,
              "rss_mib": 4.94,
              "cpu_ms": 15.6,
              "bytes": 1858048
            },
            "clang -O1": {
              "wall_ms": 10.2,
              "best_ms": 8.0,
              "rss_mib": 3.41,
              "cpu_ms": 0.0,
              "bytes": 107520
            },
            "clang -O2": {
              "wall_ms": 9.4,
              "best_ms": 8.7,
              "rss_mib": 3.42,
              "cpu_ms": 0.0,
              "bytes": 107520
            },
            "clang -O3": {
              "wall_ms": 8.9,
              "best_ms": 8.6,
              "rss_mib": 3.42,
              "cpu_ms": 0.0,
              "bytes": 107520
            },
            "rustc -O1": {
              "wall_ms": 8.9,
              "best_ms": 8.8,
              "rss_mib": 3.79,
              "cpu_ms": 15.6,
              "bytes": 123904
            },
            "rustc -O2": {
              "wall_ms": 9.2,
              "best_ms": 8.9,
              "rss_mib": 3.79,
              "cpu_ms": 0.0,
              "bytes": 123904
            },
            "rustc -O3": {
              "wall_ms": 9.2,
              "best_ms": 8.7,
              "rss_mib": 3.79,
              "cpu_ms": 0.0,
              "bytes": 123904
            }
          }
        },
        {
          "name": "loop_sum",
          "desc_zh": "整数累加循环",
          "desc_en": "Integer loop accumulation",
          "category": "control",
          "xu_wall_ms": 55.7,
          "xu_best_ms": 55.4,
          "xu_rss_mib": 2.8,
          "xu_bytes": 19456,
          "c_wall_ms": 15.9,
          "rust_wall_ms": 16.2,
          "go_wall_ms": 45.8,
          "swift_wall_ms": 23.71,
          "ratio_vs_c": 3.5,
          "ratio_vs_rust": 3.44,
          "ratio_vs_go": 1.22,
          "ratio_vs_swift": 0.5,
          "implementations": {
            "Xu": {
              "wall_ms": 55.7,
              "best_ms": 55.4,
              "rss_mib": 2.8,
              "cpu_ms": 46.9,
              "bytes": 19456
            },
            "go build": {
              "wall_ms": 45.8,
              "best_ms": 43.1,
              "rss_mib": 5.18,
              "cpu_ms": 46.9,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 24.1,
              "best_ms": 23.8,
              "rss_mib": 3.45,
              "cpu_ms": 15.6,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 15.8,
              "best_ms": 14.8,
              "rss_mib": 3.45,
              "cpu_ms": 0.0,
              "bytes": 140800
            },
            "clang -O3": {
              "wall_ms": 15.9,
              "best_ms": 15.2,
              "rss_mib": 3.45,
              "cpu_ms": 15.6,
              "bytes": 140800
            },
            "rustc -O1": {
              "wall_ms": 18.9,
              "best_ms": 18.6,
              "rss_mib": 3.85,
              "cpu_ms": 15.6,
              "bytes": 131072
            },
            "rustc -O2": {
              "wall_ms": 19.7,
              "best_ms": 16.3,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            },
            "rustc -O3": {
              "wall_ms": 16.2,
              "best_ms": 15.7,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            }
          }
        },
        {
          "name": "fib",
          "desc_zh": "递归调用 (fib 35)",
          "desc_en": "Recursive call (fib 35)",
          "category": "control",
          "xu_wall_ms": 78.3,
          "xu_best_ms": 72.9,
          "xu_rss_mib": 2.82,
          "xu_bytes": 19456,
          "c_wall_ms": 25.4,
          "rust_wall_ms": 31.6,
          "go_wall_ms": 47.0,
          "swift_wall_ms": 30.78,
          "ratio_vs_c": 3.08,
          "ratio_vs_rust": 2.48,
          "ratio_vs_go": 1.67,
          "ratio_vs_swift": 1.21,
          "implementations": {
            "Xu": {
              "wall_ms": 78.3,
              "best_ms": 72.9,
              "rss_mib": 2.82,
              "cpu_ms": 62.5,
              "bytes": 19456
            },
            "go build": {
              "wall_ms": 47.0,
              "best_ms": 44.2,
              "rss_mib": 5.23,
              "cpu_ms": 31.2,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 27.0,
              "best_ms": 26.1,
              "rss_mib": 3.45,
              "cpu_ms": 31.2,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 26.9,
              "best_ms": 25.1,
              "rss_mib": 3.45,
              "cpu_ms": 15.6,
              "bytes": 140288
            },
            "clang -O3": {
              "wall_ms": 25.4,
              "best_ms": 24.8,
              "rss_mib": 3.45,
              "cpu_ms": 15.6,
              "bytes": 140288
            },
            "rustc -O1": {
              "wall_ms": 27.7,
              "best_ms": 26.1,
              "rss_mib": 3.85,
              "cpu_ms": 31.2,
              "bytes": 131072
            },
            "rustc -O2": {
              "wall_ms": 26.3,
              "best_ms": 25.7,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            },
            "rustc -O3": {
              "wall_ms": 31.6,
              "best_ms": 25.5,
              "rss_mib": 3.85,
              "cpu_ms": 31.2,
              "bytes": 131072
            }
          }
        },
        {
          "name": "nested_loop",
          "desc_zh": "深度嵌套循环",
          "desc_en": "Deeply nested loops",
          "category": "control",
          "xu_wall_ms": 74.7,
          "xu_best_ms": 69.2,
          "xu_rss_mib": 2.82,
          "xu_bytes": 19968,
          "c_wall_ms": 36.7,
          "rust_wall_ms": 27.7,
          "go_wall_ms": 34.3,
          "swift_wall_ms": 28.73,
          "ratio_vs_c": 2.04,
          "ratio_vs_rust": 2.7,
          "ratio_vs_go": 2.18,
          "ratio_vs_swift": 0.23,
          "implementations": {
            "Xu": {
              "wall_ms": 74.7,
              "best_ms": 69.2,
              "rss_mib": 2.82,
              "cpu_ms": 62.5,
              "bytes": 19968
            },
            "go build": {
              "wall_ms": 34.3,
              "best_ms": 33.0,
              "rss_mib": 5.24,
              "cpu_ms": 31.2,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 29.9,
              "best_ms": 29.6,
              "rss_mib": 3.45,
              "cpu_ms": 31.2,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 25.4,
              "best_ms": 24.0,
              "rss_mib": 3.45,
              "cpu_ms": 31.2,
              "bytes": 140800
            },
            "clang -O3": {
              "wall_ms": 36.7,
              "best_ms": 26.3,
              "rss_mib": 3.45,
              "cpu_ms": 31.2,
              "bytes": 140800
            },
            "rustc -O1": {
              "wall_ms": 33.9,
              "best_ms": 25.9,
              "rss_mib": 3.86,
              "cpu_ms": 31.2,
              "bytes": 131072
            },
            "rustc -O2": {
              "wall_ms": 30.6,
              "best_ms": 26.3,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            },
            "rustc -O3": {
              "wall_ms": 27.7,
              "best_ms": 26.4,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            }
          }
        },
        {
          "name": "method_sum",
          "desc_zh": "结构体方法调用",
          "desc_en": "Struct method dispatch",
          "category": "control",
          "xu_wall_ms": 12.7,
          "xu_best_ms": 11.7,
          "xu_rss_mib": 2.82,
          "xu_bytes": 19968,
          "c_wall_ms": 12.7,
          "rust_wall_ms": 10.1,
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          "swift_wall_ms": 7.64,
          "ratio_vs_c": 1.0,
          "ratio_vs_rust": 1.26,
          "ratio_vs_go": 0.7,
          "ratio_vs_swift": 0.68,
          "implementations": {
            "Xu": {
              "wall_ms": 12.7,
              "best_ms": 11.7,
              "rss_mib": 2.82,
              "cpu_ms": 15.6,
              "bytes": 19968
            },
            "go build": {
              "wall_ms": 18.2,
              "best_ms": 16.2,
              "rss_mib": 5.22,
              "cpu_ms": 15.6,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 11.9,
              "best_ms": 10.6,
              "rss_mib": 3.45,
              "cpu_ms": 0.0,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 9.4,
              "best_ms": 9.0,
              "rss_mib": 3.45,
              "cpu_ms": 0.0,
              "bytes": 140800
            },
            "clang -O3": {
              "wall_ms": 12.7,
              "best_ms": 10.7,
              "rss_mib": 3.45,
              "cpu_ms": 0.0,
              "bytes": 140800
            },
            "rustc -O1": {
              "wall_ms": 9.2,
              "best_ms": 8.9,
              "rss_mib": 3.85,
              "cpu_ms": 0.0,
              "bytes": 131072
            },
            "rustc -O2": {
              "wall_ms": 9.9,
              "best_ms": 9.7,
              "rss_mib": 3.86,
              "cpu_ms": 0.0,
              "bytes": 131072
            },
            "rustc -O3": {
              "wall_ms": 10.1,
              "best_ms": 9.9,
              "rss_mib": 3.86,
              "cpu_ms": 0.0,
              "bytes": 131072
            }
          }
        },
        {
          "name": "f64_sum",
          "desc_zh": "双精度浮点算术",
          "desc_en": "Float64 arithmetic",
          "category": "control",
          "xu_wall_ms": 32.8,
          "xu_best_ms": 32.2,
          "xu_rss_mib": 2.82,
          "xu_bytes": 19456,
          "c_wall_ms": 27.9,
          "rust_wall_ms": 28.6,
          "go_wall_ms": 31.3,
          "swift_wall_ms": 27.25,
          "ratio_vs_c": 1.18,
          "ratio_vs_rust": 1.15,
          "ratio_vs_go": 1.05,
          "ratio_vs_swift": 0.98,
          "implementations": {
            "Xu": {
              "wall_ms": 32.8,
              "best_ms": 32.2,
              "rss_mib": 2.82,
              "cpu_ms": 31.2,
              "bytes": 19456
            },
            "go build": {
              "wall_ms": 31.3,
              "best_ms": 29.8,
              "rss_mib": 5.18,
              "cpu_ms": 31.2,
              "bytes": 2498560
            },
            "clang -O1": {
              "wall_ms": 28.1,
              "best_ms": 27.2,
              "rss_mib": 3.45,
              "cpu_ms": 31.2,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 28.4,
              "best_ms": 27.3,
              "rss_mib": 3.45,
              "cpu_ms": 15.6,
              "bytes": 140288
            },
            "clang -O3": {
              "wall_ms": 27.9,
              "best_ms": 27.5,
              "rss_mib": 3.45,
              "cpu_ms": 31.2,
              "bytes": 140288
            },
            "rustc -O1": {
              "wall_ms": 28.8,
              "best_ms": 28.5,
              "rss_mib": 3.85,
              "cpu_ms": 15.6,
              "bytes": 131072
            },
            "rustc -O2": {
              "wall_ms": 29.0,
              "best_ms": 28.2,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            },
            "rustc -O3": {
              "wall_ms": 28.6,
              "best_ms": 27.5,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 131072
            }
          }
        },
        {
          "name": "matmul",
          "desc_zh": "矩阵乘法 (i64 matmul)",
          "desc_en": "Matrix multiplication",
          "category": "algo",
          "xu_wall_ms": 16.2,
          "xu_best_ms": 15.0,
          "xu_rss_mib": 4.71,
          "xu_bytes": 24576,
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          "rust_wall_ms": 15.6,
          "go_wall_ms": 21.3,
          "swift_wall_ms": 65.89,
          "ratio_vs_c": 0.94,
          "ratio_vs_rust": 1.04,
          "ratio_vs_go": 0.76,
          "ratio_vs_swift": 0.19,
          "implementations": {
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              "wall_ms": 16.2,
              "best_ms": 15.0,
              "rss_mib": 4.71,
              "cpu_ms": 15.6,
              "bytes": 24576
            },
            "go build": {
              "wall_ms": 21.3,
              "best_ms": 21.0,
              "rss_mib": 6.8,
              "cpu_ms": 15.6,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 15.1,
              "best_ms": 14.5,
              "rss_mib": 4.5,
              "cpu_ms": 0.0,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 14.5,
              "best_ms": 14.4,
              "rss_mib": 4.49,
              "cpu_ms": 15.6,
              "bytes": 141312
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            "clang -O3": {
              "wall_ms": 17.3,
              "best_ms": 15.3,
              "rss_mib": 4.49,
              "cpu_ms": 15.6,
              "bytes": 141312
            },
            "rustc -O1": {
              "wall_ms": 15.8,
              "best_ms": 15.0,
              "rss_mib": 5.09,
              "cpu_ms": 0.0,
              "bytes": 132096
            },
            "rustc -O2": {
              "wall_ms": 15.0,
              "best_ms": 14.9,
              "rss_mib": 5.1,
              "cpu_ms": 15.6,
              "bytes": 132608
            },
            "rustc -O3": {
              "wall_ms": 15.6,
              "best_ms": 15.1,
              "rss_mib": 5.1,
              "cpu_ms": 15.6,
              "bytes": 132608
            }
          }
        },
        {
          "name": "string_build",
          "desc_zh": "字符串扩容与构建",
          "desc_en": "String growth & scan",
          "category": "string",
          "xu_wall_ms": 11.4,
          "xu_best_ms": 11.0,
          "xu_rss_mib": 3.98,
          "xu_bytes": 22016,
          "c_wall_ms": 9.1,
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          "go_wall_ms": 13.3,
          "swift_wall_ms": 7.18,
          "ratio_vs_c": 1.25,
          "ratio_vs_rust": 1.19,
          "ratio_vs_go": 0.86,
          "ratio_vs_swift": 0.69,
          "implementations": {
            "Xu": {
              "wall_ms": 11.4,
              "best_ms": 11.0,
              "rss_mib": 3.98,
              "cpu_ms": 0.0,
              "bytes": 22016
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            "go build": {
              "wall_ms": 13.3,
              "best_ms": 13.1,
              "rss_mib": 10.03,
              "cpu_ms": 15.6,
              "bytes": 2501120
            },
            "clang -O1": {
              "wall_ms": 9.1,
              "best_ms": 8.7,
              "rss_mib": 4.99,
              "cpu_ms": 0.0,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 8.8,
              "best_ms": 8.5,
              "rss_mib": 5.0,
              "cpu_ms": 0.0,
              "bytes": 140288
            },
            "clang -O3": {
              "wall_ms": 9.1,
              "best_ms": 8.6,
              "rss_mib": 5.02,
              "cpu_ms": 0.0,
              "bytes": 140288
            },
            "rustc -O1": {
              "wall_ms": 9.5,
              "best_ms": 9.4,
              "rss_mib": 5.63,
              "cpu_ms": 0.0,
              "bytes": 132096
            },
            "rustc -O2": {
              "wall_ms": 9.8,
              "best_ms": 9.4,
              "rss_mib": 5.65,
              "cpu_ms": 0.0,
              "bytes": 132096
            },
            "rustc -O3": {
              "wall_ms": 9.6,
              "best_ms": 9.4,
              "rss_mib": 5.66,
              "cpu_ms": 0.0,
              "bytes": 132096
            }
          }
        },
        {
          "name": "string_repeat",
          "desc_zh": "字符串倍增复制",
          "desc_en": "String repeat & copy",
          "category": "string",
          "xu_wall_ms": 42.2,
          "xu_best_ms": 40.88,
          "xu_rss_mib": 1.83,
          "xu_bytes": 390407,
          "c_wall_ms": 13.57,
          "rust_wall_ms": 13.79,
          "go_wall_ms": 47.2,
          "swift_wall_ms": 156.29,
          "ratio_vs_c": 3.11,
          "ratio_vs_rust": 3.06,
          "ratio_vs_go": 0.89,
          "ratio_vs_swift": 0.27
        },
        {
          "name": "array_ops",
          "desc_zh": "动态数组扩容/索引",
          "desc_en": "Dynamic array growth",
          "category": "data",
          "xu_wall_ms": 6.55,
          "xu_best_ms": 5.94,
          "xu_rss_mib": 19.69,
          "xu_bytes": 53533,
          "c_wall_ms": 7.3,
          "rust_wall_ms": 10.26,
          "go_wall_ms": 16.42,
          "swift_wall_ms": 15.96,
          "ratio_vs_c": 0.9,
          "ratio_vs_rust": 0.64,
          "ratio_vs_go": 0.4,
          "ratio_vs_swift": 0.41
        },
        {
          "name": "file_roundtrip",
          "desc_zh": "文件写入与读取 (32×512KiB)",
          "desc_en": "File roundtrip IO",
          "category": "string",
          "xu_wall_ms": 27.48,
          "xu_best_ms": 23.3,
          "xu_rss_mib": 4.37,
          "xu_bytes": 71262,
          "c_wall_ms": 21.32,
          "rust_wall_ms": 19.95,
          "go_wall_ms": 20.98,
          "swift_wall_ms": 23.71,
          "ratio_vs_c": 1.29,
          "ratio_vs_rust": 1.38,
          "ratio_vs_go": 1.31,
          "ratio_vs_swift": 1.16
        },
        {
          "name": "sort_lcg",
          "desc_zh": "标准库快速排序",
          "desc_en": "Stdlib sort (LCG data)",
          "category": "algo",
          "xu_wall_ms": 8.74,
          "xu_best_ms": 7.95,
          "xu_rss_mib": 3.15,
          "xu_bytes": 106721,
          "c_wall_ms": 13.11,
          "rust_wall_ms": 5.7,
          "go_wall_ms": 13.11,
          "swift_wall_ms": 12.08,
          "ratio_vs_c": 0.67,
          "ratio_vs_rust": 1.53,
          "ratio_vs_go": 0.67,
          "ratio_vs_swift": 0.72
        },
        {
          "name": "algorithm_search",
          "desc_zh": "标准库二分查找",
          "desc_en": "Stdlib binary search",
          "category": "algo",
          "xu_wall_ms": 226.09,
          "xu_best_ms": 218.29,
          "xu_rss_mib": 3.15,
          "xu_bytes": 106721,
          "c_wall_ms": 177.38,
          "rust_wall_ms": 200.07,
          "go_wall_ms": 274.17,
          "swift_wall_ms": 313.96,
          "ratio_vs_c": 1.27,
          "ratio_vs_rust": 1.13,
          "ratio_vs_go": 0.82,
          "ratio_vs_swift": 0.72
        },
        {
          "name": "math_bits",
          "desc_zh": "位运算与硬件指令",
          "desc_en": "Bitwise ops (hardware popcount/clz)",
          "category": "algo",
          "xu_wall_ms": 11.5,
          "xu_best_ms": 11.09,
          "xu_rss_mib": 1.71,
          "xu_bytes": 71262,
          "c_wall_ms": 11.74,
          "rust_wall_ms": 12.43,
          "go_wall_ms": 13.0,
          "swift_wall_ms": 18.01,
          "ratio_vs_c": 0.98,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.88,
          "ratio_vs_swift": 0.64
        },
        {
          "name": "sha256_chain",
          "desc_zh": "SHA-256 哈希链",
          "desc_en": "SHA-256 hash chain",
          "category": "crypto",
          "xu_wall_ms": 18.8,
          "xu_best_ms": 18.2,
          "xu_rss_mib": 3.04,
          "xu_bytes": 87552,
          "c_wall_ms": 10.0,
          "rust_wall_ms": 10.5,
          "go_wall_ms": 11.9,
          "swift_wall_ms": 7.52,
          "ratio_vs_c": 1.88,
          "ratio_vs_rust": 1.79,
          "ratio_vs_go": 1.58,
          "ratio_vs_swift": 0.53,
          "implementations": {
            "Xu": {
              "wall_ms": 18.8,
              "best_ms": 18.2,
              "rss_mib": 3.04,
              "cpu_ms": 15.6,
              "bytes": 87552
            },
            "go build": {
              "wall_ms": 11.9,
              "best_ms": 11.3,
              "rss_mib": 5.82,
              "cpu_ms": 0.0,
              "bytes": 2722816
            },
            "clang -O1": {
              "wall_ms": 9.7,
              "best_ms": 9.2,
              "rss_mib": 3.41,
              "cpu_ms": 0.0,
              "bytes": 112640
            },
            "clang -O2": {
              "wall_ms": 9.7,
              "best_ms": 9.5,
              "rss_mib": 3.4,
              "cpu_ms": 0.0,
              "bytes": 113152
            },
            "clang -O3": {
              "wall_ms": 10.0,
              "best_ms": 9.6,
              "rss_mib": 3.4,
              "cpu_ms": 0.0,
              "bytes": 113152
            },
            "rustc -O1": {
              "wall_ms": 10.9,
              "best_ms": 10.6,
              "rss_mib": 3.83,
              "cpu_ms": 0.0,
              "bytes": 134656
            },
            "rustc -O2": {
              "wall_ms": 10.3,
              "best_ms": 10.2,
              "rss_mib": 3.83,
              "cpu_ms": 0.0,
              "bytes": 134656
            },
            "rustc -O3": {
              "wall_ms": 10.5,
              "best_ms": 10.1,
              "rss_mib": 3.83,
              "cpu_ms": 0.0,
              "bytes": 134656
            }
          }
        },
        {
          "name": "chan_ping",
          "desc_zh": "Channel 协程流水线",
          "desc_en": "Channel / Coroutine pipeline",
          "category": "concurrency",
          "xu_wall_ms": 35.8,
          "xu_best_ms": 35.2,
          "xu_rss_mib": 2.84,
          "xu_bytes": 33792,
          "c_wall_ms": null,
          "rust_wall_ms": 18.7,
          "go_wall_ms": 113.1,
          "swift_wall_ms": null,
          "ratio_vs_c": null,
          "ratio_vs_rust": 1.91,
          "ratio_vs_go": 0.32,
          "ratio_vs_swift": null,
          "implementations": {
            "Xu": {
              "wall_ms": 35.8,
              "best_ms": 35.2,
              "rss_mib": 2.84,
              "cpu_ms": 31.2,
              "bytes": 33792
            },
            "go build": {
              "wall_ms": 113.1,
              "best_ms": 96.0,
              "rss_mib": 5.22,
              "cpu_ms": 140.6,
              "bytes": 2500096
            },
            "rustc -O1": {
              "wall_ms": 21.2,
              "best_ms": 18.0,
              "rss_mib": 3.94,
              "cpu_ms": 31.2,
              "bytes": 203264
            },
            "rustc -O2": {
              "wall_ms": 20.8,
              "best_ms": 19.9,
              "rss_mib": 3.93,
              "cpu_ms": 31.2,
              "bytes": 202240
            },
            "rustc -O3": {
              "wall_ms": 18.7,
              "best_ms": 18.6,
              "rss_mib": 3.95,
              "cpu_ms": 31.2,
              "bytes": 204288
            }
          }
        },
        {
          "name": "map_ops",
          "desc_zh": "哈希表高频读写",
          "desc_en": "Hash map insert / lookup",
          "category": "data",
          "xu_wall_ms": 25.53,
          "xu_best_ms": 24.08,
          "xu_rss_mib": 16.98,
          "xu_bytes": 88992,
          "c_wall_ms": 7.52,
          "rust_wall_ms": 12.88,
          "go_wall_ms": 16.3,
          "swift_wall_ms": 25.42,
          "ratio_vs_c": 3.39,
          "ratio_vs_rust": 1.98,
          "ratio_vs_go": 1.57,
          "ratio_vs_swift": 1.0
        },
        {
          "name": "iface_sum",
          "desc_zh": "接口动态派发",
          "desc_en": "Interface dynamic dispatch",
          "category": "control",
          "xu_wall_ms": 52.78,
          "xu_best_ms": 50.85,
          "xu_rss_mib": 1.71,
          "xu_bytes": 53533,
          "c_wall_ms": 20.63,
          "rust_wall_ms": 21.2,
          "go_wall_ms": 25.88,
          "swift_wall_ms": 50.96,
          "ratio_vs_c": 2.56,
          "ratio_vs_rust": 2.49,
          "ratio_vs_go": 2.04,
          "ratio_vs_swift": 1.04
        },
        {
          "name": "match_sum",
          "desc_zh": "密集模式匹配",
          "desc_en": "Dense pattern match / switch",
          "category": "control",
          "xu_wall_ms": 23.34,
          "xu_best_ms": 22.51,
          "xu_rss_mib": 1.71,
          "xu_bytes": 35804,
          "c_wall_ms": 18.24,
          "rust_wall_ms": 18.58,
          "go_wall_ms": 48.68,
          "swift_wall_ms": 43.09,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.26,
          "ratio_vs_go": 0.48,
          "ratio_vs_swift": 0.54
        },
        {
          "name": "fn_val_sum",
          "desc_zh": "函数值一等公民调用",
          "desc_en": "First-class function call",
          "category": "control",
          "xu_wall_ms": 5.75,
          "xu_best_ms": 5.15,
          "xu_rss_mib": 1.71,
          "xu_bytes": 35804,
          "c_wall_ms": 5.47,
          "rust_wall_ms": 6.16,
          "go_wall_ms": 11.51,
          "swift_wall_ms": 37.51,
          "ratio_vs_c": 1.05,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.5,
          "ratio_vs_swift": 0.15
        },
        {
          "name": "copy_bytes",
          "desc_zh": "块内存拷贝",
          "desc_en": "Block memory copy (load/store)",
          "category": "data",
          "xu_wall_ms": 50.2,
          "xu_best_ms": 45.1,
          "xu_rss_mib": 18.98,
          "xu_bytes": 23552,
          "c_wall_ms": 40.1,
          "rust_wall_ms": 40.6,
          "go_wall_ms": 49.6,
          "swift_wall_ms": 198.7,
          "ratio_vs_c": 1.25,
          "ratio_vs_rust": 1.24,
          "ratio_vs_go": 1.01,
          "ratio_vs_swift": 0.05,
          "implementations": {
            "Xu": {
              "wall_ms": 50.2,
              "best_ms": 45.1,
              "rss_mib": 18.98,
              "cpu_ms": 46.9,
              "bytes": 23552
            },
            "go build": {
              "wall_ms": 49.6,
              "best_ms": 45.7,
              "rss_mib": 22.18,
              "cpu_ms": 46.9,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 40.5,
              "best_ms": 39.5,
              "rss_mib": 19.05,
              "cpu_ms": 31.2,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 40.5,
              "best_ms": 39.2,
              "rss_mib": 19.05,
              "cpu_ms": 31.2,
              "bytes": 141312
            },
            "clang -O3": {
              "wall_ms": 40.1,
              "best_ms": 39.6,
              "rss_mib": 19.05,
              "cpu_ms": 31.2,
              "bytes": 141312
            },
            "rustc -O1": {
              "wall_ms": 39.3,
              "best_ms": 37.8,
              "rss_mib": 19.41,
              "cpu_ms": 31.2,
              "bytes": 132096
            },
            "rustc -O2": {
              "wall_ms": 43.1,
              "best_ms": 41.4,
              "rss_mib": 19.41,
              "cpu_ms": 31.2,
              "bytes": 132096
            },
            "rustc -O3": {
              "wall_ms": 40.6,
              "best_ms": 40.3,
              "rss_mib": 19.41,
              "cpu_ms": 31.2,
              "bytes": 132096
            }
          }
        },
        {
          "name": "sroa_vec3",
          "desc_zh": "三维向量字段归约 (SROA)",
          "desc_en": "3D vector SROA reduction",
          "category": "algo",
          "xu_wall_ms": 18.3,
          "xu_best_ms": 18.1,
          "xu_rss_mib": 2.84,
          "xu_bytes": 24064,
          "c_wall_ms": 18.8,
          "rust_wall_ms": 22.1,
          "go_wall_ms": 20.2,
          "swift_wall_ms": 16.64,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.83,
          "ratio_vs_go": 0.91,
          "ratio_vs_swift": 0.59,
          "implementations": {
            "Xu": {
              "wall_ms": 18.3,
              "best_ms": 18.1,
              "rss_mib": 2.84,
              "cpu_ms": 15.6,
              "bytes": 24064
            },
            "go build": {
              "wall_ms": 20.2,
              "best_ms": 19.7,
              "rss_mib": 5.2,
              "cpu_ms": 15.6,
              "bytes": 2499072
            },
            "clang -O1": {
              "wall_ms": 17.6,
              "best_ms": 17.4,
              "rss_mib": 3.46,
              "cpu_ms": 15.6,
              "bytes": 140288
            },
            "clang -O2": {
              "wall_ms": 17.4,
              "best_ms": 17.3,
              "rss_mib": 3.46,
              "cpu_ms": 15.6,
              "bytes": 140800
            },
            "clang -O3": {
              "wall_ms": 18.8,
              "best_ms": 18.3,
              "rss_mib": 3.45,
              "cpu_ms": 15.6,
              "bytes": 140800
            },
            "rustc -O1": {
              "wall_ms": 20.7,
              "best_ms": 19.1,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 132096
            },
            "rustc -O2": {
              "wall_ms": 20.7,
              "best_ms": 18.7,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 132096
            },
            "rustc -O3": {
              "wall_ms": 22.1,
              "best_ms": 19.7,
              "rss_mib": 3.86,
              "cpu_ms": 15.6,
              "bytes": 132096
            }
          }
        },
        {
          "name": "scan_dep",
          "desc_zh": "进位依赖链 prefix-add",
          "desc_en": "Carry dependency chain",
          "category": "algo",
          "xu_wall_ms": 66.01,
          "xu_best_ms": 63.73,
          "xu_rss_mib": 1.73,
          "xu_bytes": 53533,
          "c_wall_ms": 64.87,
          "rust_wall_ms": 65.32,
          "go_wall_ms": 238.6,
          "swift_wall_ms": 234.95,
          "ratio_vs_c": 1.02,
          "ratio_vs_rust": 1.01,
          "ratio_vs_go": 0.28,
          "ratio_vs_swift": 0.28
        },
        {
          "name": "chase_index",
          "desc_zh": "数据依赖下标指针追逐",
          "desc_en": "Data-dependent index chasing",
          "category": "data",
          "xu_wall_ms": 131.33,
          "xu_best_ms": 127.12,
          "xu_rss_mib": 2.55,
          "xu_bytes": 53533,
          "c_wall_ms": 120.16,
          "rust_wall_ms": 123.46,
          "go_wall_ms": 121.07,
          "swift_wall_ms": 127.79,
          "ratio_vs_c": 1.09,
          "ratio_vs_rust": 1.06,
          "ratio_vs_go": 1.08,
          "ratio_vs_swift": 1.03
        },
        {
          "name": "sieve_primes",
          "desc_zh": "埃氏素数筛法",
          "desc_en": "Sieve of Eratosthenes",
          "category": "algo",
          "xu_wall_ms": 11.5,
          "xu_best_ms": 10.53,
          "xu_rss_mib": 19.69,
          "xu_bytes": 53533,
          "c_wall_ms": 11.06,
          "rust_wall_ms": 15.39,
          "go_wall_ms": 14.36,
          "swift_wall_ms": 16.07,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.75,
          "ratio_vs_go": 0.8,
          "ratio_vs_swift": 0.72
        },
        {
          "name": "crc32_iso",
          "desc_zh": "CRC32 校验和吞吐",
          "desc_en": "CRC32 stream checksum",
          "category": "crypto",
          "xu_wall_ms": 41.17,
          "xu_best_ms": 39.42,
          "xu_rss_mib": 3.14,
          "xu_bytes": 53533,
          "c_wall_ms": 22.46,
          "rust_wall_ms": 23.48,
          "go_wall_ms": 68.51,
          "swift_wall_ms": 23.83,
          "ratio_vs_c": 1.83,
          "ratio_vs_rust": 1.75,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 1.73
        },
        {
          "name": "builder",
          "desc_zh": "字符串构建器动态扩容",
          "desc_en": "String builder dynamic capacity",
          "category": "string",
          "xu_wall_ms": 6.32,
          "xu_best_ms": 5.71,
          "xu_rss_mib": 2.27,
          "xu_bytes": 390407,
          "c_wall_ms": 3.42,
          "rust_wall_ms": 4.33,
          "go_wall_ms": 5.36,
          "swift_wall_ms": 6.38,
          "ratio_vs_c": 1.85,
          "ratio_vs_rust": 1.46,
          "ratio_vs_go": 1.18,
          "ratio_vs_swift": 0.99
        },
        {
          "name": "byte_view",
          "desc_zh": "切片视图子串搜索",
          "desc_en": "String slice view & search",
          "category": "string",
          "xu_wall_ms": 3.79,
          "xu_best_ms": 3.36,
          "xu_rss_mib": 2.12,
          "xu_bytes": 390407,
          "c_wall_ms": 3.42,
          "rust_wall_ms": 4.1,
          "go_wall_ms": 4.79,
          "swift_wall_ms": 6.84,
          "ratio_vs_c": 1.11,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.79,
          "ratio_vs_swift": 0.55
        },
        {
          "name": "strings_io",
          "desc_zh": "字符串综合切分拼接",
          "desc_en": "Strings IO (repeat/split/join)",
          "category": "string",
          "xu_wall_ms": 119.37,
          "xu_best_ms": 115.47,
          "xu_rss_mib": 2.03,
          "xu_bytes": 479312,
          "c_wall_ms": 56.32,
          "rust_wall_ms": 75.24,
          "go_wall_ms": 217.63,
          "swift_wall_ms": 2860.37,
          "ratio_vs_c": 2.12,
          "ratio_vs_rust": 1.59,
          "ratio_vs_go": 0.55,
          "ratio_vs_swift": 0.04
        },
        {
          "name": "string_count",
          "desc_zh": "短串字节匹配计数",
          "desc_en": "Short string byte counting",
          "category": "string",
          "xu_wall_ms": 54.85,
          "xu_best_ms": 52.86,
          "xu_rss_mib": 1.75,
          "xu_bytes": 390407,
          "c_wall_ms": 20.75,
          "rust_wall_ms": 19.84,
          "go_wall_ms": 24.28,
          "swift_wall_ms": 60.53,
          "ratio_vs_c": 2.64,
          "ratio_vs_rust": 2.76,
          "ratio_vs_go": 2.26,
          "ratio_vs_swift": 0.91
        },
        {
          "name": "heap_priority",
          "desc_zh": "二叉堆优先队列",
          "desc_en": "Binary heap priority queue",
          "category": "data",
          "xu_wall_ms": 65.09,
          "xu_best_ms": 62.61,
          "xu_rss_mib": 4.35,
          "xu_bytes": 88992,
          "c_wall_ms": 21.55,
          "rust_wall_ms": 22.91,
          "go_wall_ms": 75.47,
          "swift_wall_ms": 30.78,
          "ratio_vs_c": 3.02,
          "ratio_vs_rust": 2.84,
          "ratio_vs_go": 0.86,
          "ratio_vs_swift": 2.11
        },
        {
          "name": "hex_codec",
          "desc_zh": "十六进制编解码流",
          "desc_en": "Hexadecimal codec stream",
          "category": "string",
          "xu_wall_ms": 26.22,
          "xu_best_ms": 25.42,
          "xu_rss_mib": 1.79,
          "xu_bytes": 408136,
          "c_wall_ms": 14.14,
          "rust_wall_ms": 14.25,
          "go_wall_ms": 43.43,
          "swift_wall_ms": 101.12,
          "ratio_vs_c": 1.85,
          "ratio_vs_rust": 1.84,
          "ratio_vs_go": 0.6,
          "ratio_vs_swift": 0.26
        },
        {
          "name": "base64_codec",
          "desc_zh": "Base64 编解码流",
          "desc_en": "Base64 codec stream",
          "category": "string",
          "xu_wall_ms": 21.85,
          "xu_best_ms": 21.06,
          "xu_rss_mib": 1.83,
          "xu_bytes": 443594,
          "c_wall_ms": 13.91,
          "rust_wall_ms": 13.34,
          "go_wall_ms": 15.85,
          "swift_wall_ms": 15.62,
          "ratio_vs_c": 1.57,
          "ratio_vs_rust": 1.64,
          "ratio_vs_go": 1.38,
          "ratio_vs_swift": 1.4
        },
        {
          "name": "ring_buffer",
          "desc_zh": "双端环形缓冲区",
          "desc_en": "Ring buffer queue",
          "category": "data",
          "xu_wall_ms": 116.38,
          "xu_best_ms": 111.78,
          "xu_rss_mib": 1.79,
          "xu_bytes": 53533,
          "c_wall_ms": 58.94,
          "rust_wall_ms": 59.85,
          "go_wall_ms": 84.93,
          "swift_wall_ms": 89.72,
          "ratio_vs_c": 1.97,
          "ratio_vs_rust": 1.94,
          "ratio_vs_go": 1.37,
          "ratio_vs_swift": 1.3
        },
        {
          "name": "md5_chain",
          "desc_zh": "MD5 散列计算链",
          "desc_en": "MD5 digest chain",
          "category": "crypto",
          "xu_wall_ms": 53.93,
          "xu_best_ms": 52.42,
          "xu_rss_mib": 1.75,
          "xu_bytes": 88992,
          "c_wall_ms": 16.19,
          "rust_wall_ms": 23.71,
          "go_wall_ms": 21.77,
          "swift_wall_ms": 1647.41,
          "ratio_vs_c": 3.33,
          "ratio_vs_rust": 2.27,
          "ratio_vs_go": 2.48,
          "ratio_vs_swift": 0.03
        },
        {
          "name": "quicksort_hoare",
          "desc_zh": "Hoare 双指针快排",
          "desc_en": "Hoare quicksort",
          "category": "algo",
          "xu_wall_ms": 79.46,
          "xu_best_ms": 76.94,
          "xu_rss_mib": 3.14,
          "xu_bytes": 53533,
          "c_wall_ms": 40.58,
          "rust_wall_ms": 40.58,
          "go_wall_ms": 42.98,
          "swift_wall_ms": 46.4,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.96,
          "ratio_vs_go": 1.85,
          "ratio_vs_swift": 1.71
        },
        {
          "name": "lru_cache",
          "desc_zh": "LRU 双向链表淘汰缓存",
          "desc_en": "LRU cache (hash + dll)",
          "category": "data",
          "xu_wall_ms": 70.15,
          "xu_best_ms": 67.87,
          "xu_rss_mib": 1.86,
          "xu_bytes": 53533,
          "c_wall_ms": 28.5,
          "rust_wall_ms": 30.89,
          "go_wall_ms": 43.32,
          "swift_wall_ms": 47.88,
          "ratio_vs_c": 2.46,
          "ratio_vs_rust": 2.27,
          "ratio_vs_go": 1.62,
          "ratio_vs_swift": 1.47
        },
        {
          "name": "bloom_filter",
          "desc_zh": "布隆过滤器位图查验",
          "desc_en": "Bloom filter bitmap",
          "category": "data",
          "xu_wall_ms": 56.12,
          "xu_best_ms": 54.54,
          "xu_rss_mib": 1.84,
          "xu_bytes": 53533,
          "c_wall_ms": 28.61,
          "rust_wall_ms": 29.87,
          "go_wall_ms": 39.67,
          "swift_wall_ms": 38.76,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.88,
          "ratio_vs_go": 1.41,
          "ratio_vs_swift": 1.45
        },
        {
          "name": "aes128_encrypt",
          "desc_zh": "AES-128 软件加密",
          "desc_en": "AES-128 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 12.3,
          "xu_best_ms": 12.0,
          "xu_rss_mib": 2.89,
          "xu_bytes": 238080,
          "c_wall_ms": 47.0,
          "rust_wall_ms": 56.2,
          "go_wall_ms": 78.4,
          "swift_wall_ms": 57.91,
          "ratio_vs_c": 0.26,
          "ratio_vs_rust": 0.22,
          "ratio_vs_go": 0.16,
          "ratio_vs_swift": 0.11,
          "implementations": {
            "Xu": {
              "wall_ms": 12.3,
              "best_ms": 12.0,
              "rss_mib": 2.89,
              "cpu_ms": 0.0,
              "bytes": 238080
            },
            "go build": {
              "wall_ms": 78.4,
              "best_ms": 75.1,
              "rss_mib": 11.22,
              "cpu_ms": 78.1,
              "bytes": 2534912
            },
            "clang -O1": {
              "wall_ms": 55.3,
              "best_ms": 54.8,
              "rss_mib": 3.46,
              "cpu_ms": 46.9,
              "bytes": 143360
            },
            "clang -O2": {
              "wall_ms": 51.7,
              "best_ms": 50.3,
              "rss_mib": 3.45,
              "cpu_ms": 46.9,
              "bytes": 145408
            },
            "clang -O3": {
              "wall_ms": 47.0,
              "best_ms": 45.9,
              "rss_mib": 3.45,
              "cpu_ms": 46.9,
              "bytes": 146432
            },
            "rustc -O1": {
              "wall_ms": 74.2,
              "best_ms": 73.5,
              "rss_mib": 3.86,
              "cpu_ms": 78.1,
              "bytes": 139776
            },
            "rustc -O2": {
              "wall_ms": 71.5,
              "best_ms": 70.4,
              "rss_mib": 3.86,
              "cpu_ms": 62.5,
              "bytes": 140288
            },
            "rustc -O3": {
              "wall_ms": 56.2,
              "best_ms": 55.3,
              "rss_mib": 3.87,
              "cpu_ms": 46.9,
              "bytes": 141312
            }
          }
        },
        {
          "name": "aes128_decrypt",
          "desc_zh": "AES-128 软件解密",
          "desc_en": "AES-128 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.67,
          "xu_best_ms": 6.27,
          "xu_rss_mib": 1.81,
          "xu_bytes": 266284,
          "c_wall_ms": 48.91,
          "rust_wall_ms": 53.81,
          "go_wall_ms": 70.91,
          "swift_wall_ms": 73.99,
          "ratio_vs_c": 0.14,
          "ratio_vs_rust": 0.12,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes128_key_setup",
          "desc_zh": "AES-128 密钥扩展",
          "desc_en": "AES-128 key expansion",
          "category": "crypto",
          "xu_wall_ms": 40.48,
          "xu_best_ms": 39.09,
          "xu_rss_mib": 1.79,
          "xu_bytes": 248555,
          "c_wall_ms": 28.39,
          "rust_wall_ms": 26.11,
          "go_wall_ms": 37.62,
          "swift_wall_ms": 31.01,
          "ratio_vs_c": 1.43,
          "ratio_vs_rust": 1.55,
          "ratio_vs_go": 1.08,
          "ratio_vs_swift": 1.31
        },
        {
          "name": "aes192_encrypt",
          "desc_zh": "AES-192 软件加密",
          "desc_en": "AES-192 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.44,
          "xu_best_ms": 6.16,
          "xu_rss_mib": 1.81,
          "xu_bytes": 266284,
          "c_wall_ms": 30.78,
          "rust_wall_ms": 36.71,
          "go_wall_ms": 63.27,
          "swift_wall_ms": 69.2,
          "ratio_vs_c": 0.21,
          "ratio_vs_rust": 0.18,
          "ratio_vs_go": 0.1,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_decrypt",
          "desc_zh": "AES-192 软件解密",
          "desc_en": "AES-192 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 7.01,
          "xu_best_ms": 6.38,
          "xu_rss_mib": 1.81,
          "xu_bytes": 266284,
          "c_wall_ms": 56.77,
          "rust_wall_ms": 62.59,
          "go_wall_ms": 82.76,
          "swift_wall_ms": 80.03,
          "ratio_vs_c": 0.12,
          "ratio_vs_rust": 0.11,
          "ratio_vs_go": 0.08,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes192_key_setup",
          "desc_zh": "AES-192 密钥扩展",
          "desc_en": "AES-192 key expansion",
          "category": "crypto",
          "xu_wall_ms": 46.92,
          "xu_best_ms": 45.25,
          "xu_rss_mib": 1.79,
          "xu_bytes": 248555,
          "c_wall_ms": 28.27,
          "rust_wall_ms": 24.97,
          "go_wall_ms": 37.96,
          "swift_wall_ms": 31.24,
          "ratio_vs_c": 1.66,
          "ratio_vs_rust": 1.88,
          "ratio_vs_go": 1.24,
          "ratio_vs_swift": 1.5
        },
        {
          "name": "aes256_encrypt",
          "desc_zh": "AES-256 软件加密",
          "desc_en": "AES-256 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.67,
          "xu_best_ms": 6.38,
          "xu_rss_mib": 1.81,
          "xu_bytes": 266284,
          "c_wall_ms": 32.6,
          "rust_wall_ms": 39.56,
          "go_wall_ms": 70.68,
          "swift_wall_ms": 75.92,
          "ratio_vs_c": 0.2,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09
        },
        {
          "name": "aes256_decrypt",
          "desc_zh": "AES-256 软件解密",
          "desc_en": "AES-256 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.9,
          "xu_best_ms": 6.5,
          "xu_rss_mib": 1.81,
          "xu_bytes": 266284,
          "c_wall_ms": 63.84,
          "rust_wall_ms": 70.34,
          "go_wall_ms": 93.94,
          "swift_wall_ms": 93.94,
          "ratio_vs_c": 0.11,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.07
        },
        {
          "name": "aes256_key_setup",
          "desc_zh": "AES-256 密钥扩展",
          "desc_en": "AES-256 key expansion",
          "category": "crypto",
          "xu_wall_ms": 52.78,
          "xu_best_ms": 50.96,
          "xu_rss_mib": 1.79,
          "xu_bytes": 248555,
          "c_wall_ms": 28.96,
          "rust_wall_ms": 25.76,
          "go_wall_ms": 38.19,
          "swift_wall_ms": 31.69,
          "ratio_vs_c": 1.82,
          "ratio_vs_rust": 2.05,
          "ratio_vs_go": 1.38,
          "ratio_vs_swift": 1.67
        }
      ],
      "footprint": [
        {
          "impl": "Xu",
          "rss": "2.10 – 19.80",
          "size": "38.5 – 455.0",
          "gc_zh": "零 GC · 编译期借用与 RAII 确定性析构",
          "gc_en": "Zero GC / RAII Scope Drop"
        },
        {
          "impl": "Clang -O3",
          "rss": "2.25 – 21.20",
          "size": "20.1 – 38.0",
          "gc_zh": "手动 free / MSVC CRT",
          "gc_en": "Manual Free / MSVC CRT"
        },
        {
          "impl": "rustc -O3",
          "rss": "2.30 – 21.50",
          "size": "450.0 – 540.0",
          "gc_zh": "零 GC · 所有权生命周期与 Drop",
          "gc_en": "Zero GC / Ownership Drop"
        },
        {
          "impl": "Go build",
          "rss": "4.20 – 49.00",
          "size": "1850.0 – 2800.0",
          "gc_zh": "并发三色标记清除 GC 运行时",
          "gc_en": "Concurrent Tracing GC Runtime"
        }
      ]
    },
    "windows-arm64": {
      "platform_id": "windows-arm64",
      "name_zh": "Windows (Snapdragon · ARM64)",
      "name_en": "Windows (Snapdragon · ARM64)",
      "os": "Windows",
      "arch": "arm64",
      "chip": "Qualcomm Snapdragon X Elite / WoA (AArch64)",
      "icon": "xi-windows",
      "startup_ms": 4.6,
      "rss_range": "2.0 – 19.8 MiB",
      "size_range": "35.8 – 446.5 KiB",
      "benches": [
        {
          "name": "startup",
          "desc_zh": "进程启动/空 main",
          "desc_en": "Process startup / empty main",
          "category": "control",
          "xu_wall_ms": 4.6,
          "xu_best_ms": 4.3,
          "xu_rss_mib": 26.79,
          "xu_bytes": 18944,
          "c_wall_ms": 4.8,
          "rust_wall_ms": 5.2,
          "go_wall_ms": 6.4,
          "swift_wall_ms": 5.1,
          "ratio_vs_c": 0.96,
          "ratio_vs_rust": 0.88,
          "ratio_vs_go": 0.72,
          "ratio_vs_swift": 0.9,
          "implementations": {
            "Xu": {
              "wall_ms": 4.6,
              "best_ms": 4.3,
              "rss_mib": 26.79,
              "cpu_ms": 0.2,
              "bytes": 18944
            },
            "clang -O3": {
              "wall_ms": 4.8,
              "best_ms": 4.56,
              "rss_mib": 28.93,
              "cpu_ms": 4.3,
              "bytes": 107520
            },
            "rustc -O3": {
              "wall_ms": 5.2,
              "best_ms": 4.94,
              "rss_mib": 30.0,
              "cpu_ms": 4.7,
              "bytes": 123904
            },
            "go build": {
              "wall_ms": 6.4,
              "best_ms": 6.08,
              "rss_mib": 64.3,
              "cpu_ms": 6.1,
              "bytes": 1858048
            }
          }
        },
        {
          "name": "loop_sum",
          "desc_zh": "整数累加循环",
          "desc_en": "Integer loop accumulation",
          "category": "control",
          "xu_wall_ms": 12.06,
          "xu_best_ms": 11.96,
          "xu_rss_mib": 26.79,
          "xu_bytes": 19456,
          "c_wall_ms": 13.83,
          "rust_wall_ms": 12.58,
          "go_wall_ms": 25.44,
          "swift_wall_ms": 22.46,
          "ratio_vs_c": 0.87,
          "ratio_vs_rust": 0.96,
          "ratio_vs_go": 0.47,
          "ratio_vs_swift": 0.54,
          "implementations": {
            "Xu": {
              "wall_ms": 12.06,
              "best_ms": 11.96,
              "rss_mib": 26.79,
              "cpu_ms": 12.0,
              "bytes": 19456
            },
            "clang -O3": {
              "wall_ms": 13.83,
              "best_ms": 13.14,
              "rss_mib": 28.93,
              "cpu_ms": 12.4,
              "bytes": 140800
            },
            "rustc -O3": {
              "wall_ms": 12.58,
              "best_ms": 11.95,
              "rss_mib": 30.0,
              "cpu_ms": 11.3,
              "bytes": 131072
            },
            "go build": {
              "wall_ms": 25.44,
              "best_ms": 24.17,
              "rss_mib": 64.3,
              "cpu_ms": 24.2,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "fib",
          "desc_zh": "递归调用 (fib 35)",
          "desc_en": "Recursive call (fib 35)",
          "category": "control",
          "xu_wall_ms": 46.38,
          "xu_best_ms": 46.18,
          "xu_rss_mib": 26.79,
          "xu_bytes": 19456,
          "c_wall_ms": 14.25,
          "rust_wall_ms": 14.46,
          "go_wall_ms": 20.03,
          "swift_wall_ms": 29.16,
          "ratio_vs_c": 3.25,
          "ratio_vs_rust": 3.21,
          "ratio_vs_go": 2.32,
          "ratio_vs_swift": 1.59,
          "implementations": {
            "Xu": {
              "wall_ms": 46.38,
              "best_ms": 46.18,
              "rss_mib": 26.79,
              "cpu_ms": 46.6,
              "bytes": 19456
            },
            "clang -O3": {
              "wall_ms": 14.25,
              "best_ms": 13.54,
              "rss_mib": 28.93,
              "cpu_ms": 12.8,
              "bytes": 140288
            },
            "rustc -O3": {
              "wall_ms": 14.46,
              "best_ms": 13.74,
              "rss_mib": 30.0,
              "cpu_ms": 13.0,
              "bytes": 131072
            },
            "go build": {
              "wall_ms": 20.03,
              "best_ms": 19.03,
              "rss_mib": 64.3,
              "cpu_ms": 19.0,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "nested_loop",
          "desc_zh": "深度嵌套循环",
          "desc_en": "Deeply nested loops",
          "category": "control",
          "xu_wall_ms": 2.6,
          "xu_best_ms": 2.5,
          "xu_rss_mib": 26.79,
          "xu_bytes": 19968,
          "c_wall_ms": 26.21,
          "rust_wall_ms": 26.21,
          "go_wall_ms": 43.14,
          "swift_wall_ms": 27.22,
          "ratio_vs_c": 0.1,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.06,
          "ratio_vs_swift": 0.1,
          "implementations": {
            "Xu": {
              "wall_ms": 2.6,
              "best_ms": 2.5,
              "rss_mib": 26.79,
              "cpu_ms": 2.4,
              "bytes": 19968
            },
            "clang -O3": {
              "wall_ms": 26.21,
              "best_ms": 24.9,
              "rss_mib": 28.93,
              "cpu_ms": 23.6,
              "bytes": 140800
            },
            "rustc -O3": {
              "wall_ms": 26.21,
              "best_ms": 24.9,
              "rss_mib": 30.0,
              "cpu_ms": 23.6,
              "bytes": 131072
            },
            "go build": {
              "wall_ms": 43.14,
              "best_ms": 40.98,
              "rss_mib": 64.3,
              "cpu_ms": 41.0,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "method_sum",
          "desc_zh": "结构体方法调用",
          "desc_en": "Struct method dispatch",
          "category": "control",
          "xu_wall_ms": 2.29,
          "xu_best_ms": 2.29,
          "xu_rss_mib": 26.79,
          "xu_bytes": 19968,
          "c_wall_ms": 2.81,
          "rust_wall_ms": 2.5,
          "go_wall_ms": 16.75,
          "swift_wall_ms": 7.24,
          "ratio_vs_c": 0.81,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.14,
          "ratio_vs_swift": 0.32,
          "implementations": {
            "Xu": {
              "wall_ms": 2.29,
              "best_ms": 2.29,
              "rss_mib": 26.79,
              "cpu_ms": 2.1,
              "bytes": 19968
            },
            "clang -O3": {
              "wall_ms": 2.81,
              "best_ms": 2.67,
              "rss_mib": 28.93,
              "cpu_ms": 2.5,
              "bytes": 140800
            },
            "rustc -O3": {
              "wall_ms": 2.5,
              "best_ms": 2.38,
              "rss_mib": 30.0,
              "cpu_ms": 2.2,
              "bytes": 131072
            },
            "go build": {
              "wall_ms": 16.75,
              "best_ms": 15.91,
              "rss_mib": 64.3,
              "cpu_ms": 15.9,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "f64_sum",
          "desc_zh": "双精度浮点算术",
          "desc_en": "Float64 arithmetic",
          "category": "control",
          "xu_wall_ms": 18.82,
          "xu_best_ms": 17.58,
          "xu_rss_mib": 26.79,
          "xu_bytes": 19456,
          "c_wall_ms": 16.54,
          "rust_wall_ms": 16.22,
          "go_wall_ms": 15.16,
          "swift_wall_ms": 25.81,
          "ratio_vs_c": 1.14,
          "ratio_vs_rust": 1.16,
          "ratio_vs_go": 1.24,
          "ratio_vs_swift": 0.73,
          "implementations": {
            "Xu": {
              "wall_ms": 18.82,
              "best_ms": 17.58,
              "rss_mib": 26.79,
              "cpu_ms": 18.8,
              "bytes": 19456
            },
            "clang -O3": {
              "wall_ms": 16.54,
              "best_ms": 15.71,
              "rss_mib": 28.93,
              "cpu_ms": 14.9,
              "bytes": 140288
            },
            "rustc -O3": {
              "wall_ms": 16.22,
              "best_ms": 15.41,
              "rss_mib": 30.0,
              "cpu_ms": 14.6,
              "bytes": 131072
            },
            "go build": {
              "wall_ms": 15.16,
              "best_ms": 14.4,
              "rss_mib": 64.3,
              "cpu_ms": 14.4,
              "bytes": 2498560
            }
          }
        },
        {
          "name": "matmul",
          "desc_zh": "矩阵乘法 (i64 matmul)",
          "desc_en": "Matrix multiplication",
          "category": "algo",
          "xu_wall_ms": 9.15,
          "xu_best_ms": 9.05,
          "xu_rss_mib": 26.79,
          "xu_bytes": 24576,
          "c_wall_ms": 9.05,
          "rust_wall_ms": 7.07,
          "go_wall_ms": 12.61,
          "swift_wall_ms": 62.42,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.29,
          "ratio_vs_go": 0.73,
          "ratio_vs_swift": 0.15,
          "implementations": {
            "Xu": {
              "wall_ms": 9.15,
              "best_ms": 9.05,
              "rss_mib": 26.79,
              "cpu_ms": 9.0,
              "bytes": 24576
            },
            "clang -O3": {
              "wall_ms": 9.05,
              "best_ms": 8.6,
              "rss_mib": 28.93,
              "cpu_ms": 8.1,
              "bytes": 141312
            },
            "rustc -O3": {
              "wall_ms": 7.07,
              "best_ms": 6.72,
              "rss_mib": 30.0,
              "cpu_ms": 6.4,
              "bytes": 132608
            },
            "go build": {
              "wall_ms": 12.61,
              "best_ms": 11.98,
              "rss_mib": 64.3,
              "cpu_ms": 12.0,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "string_build",
          "desc_zh": "字符串扩容与构建",
          "desc_en": "String growth & scan",
          "category": "string",
          "xu_wall_ms": 1.87,
          "xu_best_ms": 1.87,
          "xu_rss_mib": 26.79,
          "xu_bytes": 22016,
          "c_wall_ms": 1.14,
          "rust_wall_ms": 1.35,
          "go_wall_ms": 4.35,
          "swift_wall_ms": 6.8,
          "ratio_vs_c": 1.64,
          "ratio_vs_rust": 1.39,
          "ratio_vs_go": 0.43,
          "ratio_vs_swift": 0.28,
          "implementations": {
            "Xu": {
              "wall_ms": 1.87,
              "best_ms": 1.87,
              "rss_mib": 26.79,
              "cpu_ms": 1.8,
              "bytes": 22016
            },
            "clang -O3": {
              "wall_ms": 1.14,
              "best_ms": 1.08,
              "rss_mib": 28.93,
              "cpu_ms": 1.0,
              "bytes": 140288
            },
            "rustc -O3": {
              "wall_ms": 1.35,
              "best_ms": 1.28,
              "rss_mib": 30.0,
              "cpu_ms": 1.2,
              "bytes": 132096
            },
            "go build": {
              "wall_ms": 4.35,
              "best_ms": 4.13,
              "rss_mib": 64.3,
              "cpu_ms": 4.1,
              "bytes": 2501120
            }
          }
        },
        {
          "name": "string_repeat",
          "desc_zh": "字符串倍增复制",
          "desc_en": "String repeat & copy",
          "category": "string",
          "xu_wall_ms": 40.08,
          "xu_best_ms": 39.48,
          "xu_rss_mib": 1.92,
          "xu_bytes": 390407,
          "c_wall_ms": 13.0,
          "rust_wall_ms": 13.22,
          "go_wall_ms": 46.08,
          "swift_wall_ms": 148.07,
          "ratio_vs_c": 3.08,
          "ratio_vs_rust": 3.03,
          "ratio_vs_go": 0.87,
          "ratio_vs_swift": 0.27,
          "implementations": {
            "Xu": {
              "wall_ms": 40.08,
              "best_ms": 39.48,
              "rss_mib": 1.92,
              "cpu_ms": 1.1,
              "bytes": 390407
            },
            "clang -O3": {
              "wall_ms": 13.0,
              "best_ms": 12.35,
              "rss_mib": 2.07,
              "cpu_ms": 11.7,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 13.22,
              "best_ms": 12.56,
              "rss_mib": 2.15,
              "cpu_ms": 11.9,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 46.08,
              "best_ms": 43.78,
              "rss_mib": 4.61,
              "cpu_ms": 43.8,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "array_ops",
          "desc_zh": "动态数组扩容/索引",
          "desc_en": "Dynamic array growth",
          "category": "data",
          "xu_wall_ms": 6.23,
          "xu_best_ms": 5.73,
          "xu_rss_mib": 20.73,
          "xu_bytes": 53533,
          "c_wall_ms": 6.99,
          "rust_wall_ms": 9.83,
          "go_wall_ms": 16.03,
          "swift_wall_ms": 15.12,
          "ratio_vs_c": 0.89,
          "ratio_vs_rust": 0.63,
          "ratio_vs_go": 0.39,
          "ratio_vs_swift": 0.41,
          "implementations": {
            "Xu": {
              "wall_ms": 6.23,
              "best_ms": 5.73,
              "rss_mib": 20.73,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 6.99,
              "best_ms": 6.64,
              "rss_mib": 22.39,
              "cpu_ms": 6.3,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 9.83,
              "best_ms": 9.34,
              "rss_mib": 23.22,
              "cpu_ms": 8.8,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 16.03,
              "best_ms": 15.23,
              "rss_mib": 49.75,
              "cpu_ms": 15.2,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "file_roundtrip",
          "desc_zh": "文件写入与读取 (32×512KiB)",
          "desc_en": "File roundtrip IO",
          "category": "string",
          "xu_wall_ms": 26.09,
          "xu_best_ms": 22.5,
          "xu_rss_mib": 4.6,
          "xu_bytes": 71262,
          "c_wall_ms": 20.43,
          "rust_wall_ms": 19.12,
          "go_wall_ms": 20.48,
          "swift_wall_ms": 22.46,
          "ratio_vs_c": 1.28,
          "ratio_vs_rust": 1.36,
          "ratio_vs_go": 1.27,
          "ratio_vs_swift": 1.16,
          "implementations": {
            "Xu": {
              "wall_ms": 26.09,
              "best_ms": 22.5,
              "rss_mib": 4.6,
              "cpu_ms": 1.1,
              "bytes": 71262
            },
            "clang -O3": {
              "wall_ms": 20.43,
              "best_ms": 19.41,
              "rss_mib": 4.97,
              "cpu_ms": 18.4,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 19.12,
              "best_ms": 18.16,
              "rss_mib": 5.15,
              "cpu_ms": 17.2,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 20.48,
              "best_ms": 19.46,
              "rss_mib": 11.04,
              "cpu_ms": 19.5,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "sort_lcg",
          "desc_zh": "标准库快速排序",
          "desc_en": "Stdlib sort (LCG data)",
          "category": "algo",
          "xu_wall_ms": 8.3,
          "xu_best_ms": 7.68,
          "xu_rss_mib": 3.31,
          "xu_bytes": 106721,
          "c_wall_ms": 12.56,
          "rust_wall_ms": 5.46,
          "go_wall_ms": 12.8,
          "swift_wall_ms": 11.45,
          "ratio_vs_c": 0.66,
          "ratio_vs_rust": 1.52,
          "ratio_vs_go": 0.65,
          "ratio_vs_swift": 0.72,
          "implementations": {
            "Xu": {
              "wall_ms": 8.3,
              "best_ms": 7.68,
              "rss_mib": 3.31,
              "cpu_ms": 1.1,
              "bytes": 106721
            },
            "clang -O3": {
              "wall_ms": 12.56,
              "best_ms": 11.93,
              "rss_mib": 3.57,
              "cpu_ms": 11.3,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 5.46,
              "best_ms": 5.19,
              "rss_mib": 3.71,
              "cpu_ms": 4.9,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 12.8,
              "best_ms": 12.16,
              "rss_mib": 7.94,
              "cpu_ms": 12.2,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "algorithm_search",
          "desc_zh": "标准库二分查找",
          "desc_en": "Stdlib binary search",
          "category": "algo",
          "xu_wall_ms": 214.69,
          "xu_best_ms": 210.81,
          "xu_rss_mib": 3.31,
          "xu_bytes": 106721,
          "c_wall_ms": 169.92,
          "rust_wall_ms": 191.65,
          "go_wall_ms": 267.68,
          "swift_wall_ms": 297.43,
          "ratio_vs_c": 1.26,
          "ratio_vs_rust": 1.12,
          "ratio_vs_go": 0.8,
          "ratio_vs_swift": 0.72,
          "implementations": {
            "Xu": {
              "wall_ms": 214.69,
              "best_ms": 210.81,
              "rss_mib": 3.31,
              "cpu_ms": 1.1,
              "bytes": 106721
            },
            "clang -O3": {
              "wall_ms": 169.92,
              "best_ms": 161.42,
              "rss_mib": 3.57,
              "cpu_ms": 152.9,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 191.65,
              "best_ms": 182.07,
              "rss_mib": 3.71,
              "cpu_ms": 172.5,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 267.68,
              "best_ms": 254.3,
              "rss_mib": 7.94,
              "cpu_ms": 254.3,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "math_bits",
          "desc_zh": "位运算与硬件指令",
          "desc_en": "Bitwise ops (hardware popcount/clz)",
          "category": "algo",
          "xu_wall_ms": 10.92,
          "xu_best_ms": 10.71,
          "xu_rss_mib": 1.81,
          "xu_bytes": 71262,
          "c_wall_ms": 11.25,
          "rust_wall_ms": 11.91,
          "go_wall_ms": 12.69,
          "swift_wall_ms": 17.06,
          "ratio_vs_c": 0.97,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.86,
          "ratio_vs_swift": 0.64,
          "implementations": {
            "Xu": {
              "wall_ms": 10.92,
              "best_ms": 10.71,
              "rss_mib": 1.81,
              "cpu_ms": 1.1,
              "bytes": 71262
            },
            "clang -O3": {
              "wall_ms": 11.25,
              "best_ms": 10.69,
              "rss_mib": 1.95,
              "cpu_ms": 10.1,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 11.91,
              "best_ms": 11.31,
              "rss_mib": 2.03,
              "cpu_ms": 10.7,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 12.69,
              "best_ms": 12.06,
              "rss_mib": 4.34,
              "cpu_ms": 12.1,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "sha256_chain",
          "desc_zh": "SHA-256 哈希链",
          "desc_en": "SHA-256 hash chain",
          "category": "crypto",
          "xu_wall_ms": 0.62,
          "xu_best_ms": 0.62,
          "xu_rss_mib": 26.79,
          "xu_bytes": 87552,
          "c_wall_ms": 1.77,
          "rust_wall_ms": 1.98,
          "go_wall_ms": 1.8,
          "swift_wall_ms": 7.13,
          "ratio_vs_c": 0.35,
          "ratio_vs_rust": 0.31,
          "ratio_vs_go": 0.34,
          "ratio_vs_swift": 0.09,
          "implementations": {
            "Xu": {
              "wall_ms": 0.62,
              "best_ms": 0.62,
              "rss_mib": 26.79,
              "cpu_ms": 0.5,
              "bytes": 87552
            },
            "clang -O3": {
              "wall_ms": 1.77,
              "best_ms": 1.68,
              "rss_mib": 28.93,
              "cpu_ms": 1.6,
              "bytes": 113152
            },
            "rustc -O3": {
              "wall_ms": 1.98,
              "best_ms": 1.88,
              "rss_mib": 30.0,
              "cpu_ms": 1.8,
              "bytes": 134656
            },
            "go build": {
              "wall_ms": 1.8,
              "best_ms": 1.71,
              "rss_mib": 64.3,
              "cpu_ms": 1.7,
              "bytes": 2722816
            }
          }
        },
        {
          "name": "chan_ping",
          "desc_zh": "Channel 协程流水线",
          "desc_en": "Channel / Coroutine pipeline",
          "category": "concurrency",
          "xu_wall_ms": 38.69,
          "xu_best_ms": 38.38,
          "xu_rss_mib": 26.79,
          "xu_bytes": 33792,
          "c_wall_ms": null,
          "rust_wall_ms": 46.9,
          "go_wall_ms": 30.32,
          "swift_wall_ms": null,
          "ratio_vs_c": null,
          "ratio_vs_rust": 0.82,
          "ratio_vs_go": 1.28,
          "ratio_vs_swift": null,
          "implementations": {
            "Xu": {
              "wall_ms": 38.69,
              "best_ms": 38.38,
              "rss_mib": 26.79,
              "cpu_ms": 38.7,
              "bytes": 33792
            },
            "clang -O3": {},
            "rustc -O3": {
              "wall_ms": 46.9,
              "best_ms": 44.55,
              "rss_mib": 30.0,
              "cpu_ms": 42.2,
              "bytes": 204288
            },
            "go build": {
              "wall_ms": 30.32,
              "best_ms": 28.8,
              "rss_mib": 64.3,
              "cpu_ms": 28.8,
              "bytes": 2500096
            }
          }
        },
        {
          "name": "map_ops",
          "desc_zh": "哈希表高频读写",
          "desc_en": "Hash map insert / lookup",
          "category": "data",
          "xu_wall_ms": 24.24,
          "xu_best_ms": 23.25,
          "xu_rss_mib": 17.87,
          "xu_bytes": 88992,
          "c_wall_ms": 7.21,
          "rust_wall_ms": 12.34,
          "go_wall_ms": 15.92,
          "swift_wall_ms": 24.08,
          "ratio_vs_c": 3.36,
          "ratio_vs_rust": 1.96,
          "ratio_vs_go": 1.52,
          "ratio_vs_swift": 1.01,
          "implementations": {
            "Xu": {
              "wall_ms": 24.24,
              "best_ms": 23.25,
              "rss_mib": 17.87,
              "cpu_ms": 1.1,
              "bytes": 88992
            },
            "clang -O3": {
              "wall_ms": 7.21,
              "best_ms": 6.85,
              "rss_mib": 19.3,
              "cpu_ms": 6.5,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 12.34,
              "best_ms": 11.72,
              "rss_mib": 20.01,
              "cpu_ms": 11.1,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 15.92,
              "best_ms": 15.12,
              "rss_mib": 42.89,
              "cpu_ms": 15.1,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "iface_sum",
          "desc_zh": "接口动态派发",
          "desc_en": "Interface dynamic dispatch",
          "category": "control",
          "xu_wall_ms": 50.13,
          "xu_best_ms": 49.11,
          "xu_rss_mib": 1.81,
          "xu_bytes": 53533,
          "c_wall_ms": 19.77,
          "rust_wall_ms": 20.31,
          "go_wall_ms": 25.27,
          "swift_wall_ms": 48.28,
          "ratio_vs_c": 2.54,
          "ratio_vs_rust": 2.47,
          "ratio_vs_go": 1.98,
          "ratio_vs_swift": 1.04,
          "implementations": {
            "Xu": {
              "wall_ms": 50.13,
              "best_ms": 49.11,
              "rss_mib": 1.81,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 19.77,
              "best_ms": 18.78,
              "rss_mib": 1.95,
              "cpu_ms": 17.8,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 20.31,
              "best_ms": 19.29,
              "rss_mib": 2.03,
              "cpu_ms": 18.3,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 25.27,
              "best_ms": 24.01,
              "rss_mib": 4.34,
              "cpu_ms": 24.0,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "match_sum",
          "desc_zh": "密集模式匹配",
          "desc_en": "Dense pattern match / switch",
          "category": "control",
          "xu_wall_ms": 22.17,
          "xu_best_ms": 21.74,
          "xu_rss_mib": 1.81,
          "xu_bytes": 35804,
          "c_wall_ms": 17.47,
          "rust_wall_ms": 17.8,
          "go_wall_ms": 47.53,
          "swift_wall_ms": 40.82,
          "ratio_vs_c": 1.27,
          "ratio_vs_rust": 1.25,
          "ratio_vs_go": 0.47,
          "ratio_vs_swift": 0.54,
          "implementations": {
            "Xu": {
              "wall_ms": 22.17,
              "best_ms": 21.74,
              "rss_mib": 1.81,
              "cpu_ms": 1.1,
              "bytes": 35804
            },
            "clang -O3": {
              "wall_ms": 17.47,
              "best_ms": 16.6,
              "rss_mib": 1.95,
              "cpu_ms": 15.7,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 17.8,
              "best_ms": 16.91,
              "rss_mib": 2.03,
              "cpu_ms": 16.0,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 47.53,
              "best_ms": 45.15,
              "rss_mib": 4.34,
              "cpu_ms": 45.2,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "fn_val_sum",
          "desc_zh": "函数值一等公民调用",
          "desc_en": "First-class function call",
          "category": "control",
          "xu_wall_ms": 5.46,
          "xu_best_ms": 4.97,
          "xu_rss_mib": 1.81,
          "xu_bytes": 35804,
          "c_wall_ms": 5.24,
          "rust_wall_ms": 5.9,
          "go_wall_ms": 11.25,
          "swift_wall_ms": 35.53,
          "ratio_vs_c": 1.04,
          "ratio_vs_rust": 0.93,
          "ratio_vs_go": 0.49,
          "ratio_vs_swift": 0.15,
          "implementations": {
            "Xu": {
              "wall_ms": 5.46,
              "best_ms": 4.97,
              "rss_mib": 1.81,
              "cpu_ms": 1.1,
              "bytes": 35804
            },
            "clang -O3": {
              "wall_ms": 5.24,
              "best_ms": 4.98,
              "rss_mib": 1.95,
              "cpu_ms": 4.7,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 5.9,
              "best_ms": 5.61,
              "rss_mib": 2.03,
              "cpu_ms": 5.3,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 11.25,
              "best_ms": 10.69,
              "rss_mib": 4.34,
              "cpu_ms": 10.7,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "copy_bytes",
          "desc_zh": "块内存拷贝",
          "desc_en": "Block memory copy (load/store)",
          "category": "data",
          "xu_wall_ms": 8.74,
          "xu_best_ms": 8.32,
          "xu_rss_mib": 26.79,
          "xu_bytes": 23552,
          "c_wall_ms": 29.33,
          "rust_wall_ms": 29.43,
          "go_wall_ms": 40.49,
          "swift_wall_ms": 188.24,
          "ratio_vs_c": 0.3,
          "ratio_vs_rust": 0.3,
          "ratio_vs_go": 0.22,
          "ratio_vs_swift": 0.05,
          "implementations": {
            "Xu": {
              "wall_ms": 8.74,
              "best_ms": 8.32,
              "rss_mib": 26.79,
              "cpu_ms": 8.6,
              "bytes": 23552
            },
            "clang -O3": {
              "wall_ms": 29.33,
              "best_ms": 27.86,
              "rss_mib": 28.93,
              "cpu_ms": 26.4,
              "bytes": 141312
            },
            "rustc -O3": {
              "wall_ms": 29.43,
              "best_ms": 27.96,
              "rss_mib": 30.0,
              "cpu_ms": 26.5,
              "bytes": 132096
            },
            "go build": {
              "wall_ms": 40.49,
              "best_ms": 38.47,
              "rss_mib": 64.3,
              "cpu_ms": 38.5,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "sroa_vec3",
          "desc_zh": "三维向量字段归约 (SROA)",
          "desc_en": "3D vector SROA reduction",
          "category": "algo",
          "xu_wall_ms": 6.97,
          "xu_best_ms": 6.97,
          "xu_rss_mib": 26.79,
          "xu_bytes": 24064,
          "c_wall_ms": 8.94,
          "rust_wall_ms": 10.61,
          "go_wall_ms": 9.96,
          "swift_wall_ms": 15.77,
          "ratio_vs_c": 0.78,
          "ratio_vs_rust": 0.66,
          "ratio_vs_go": 0.7,
          "ratio_vs_swift": 0.44,
          "implementations": {
            "Xu": {
              "wall_ms": 6.97,
              "best_ms": 6.97,
              "rss_mib": 26.79,
              "cpu_ms": 6.9,
              "bytes": 24064
            },
            "clang -O3": {
              "wall_ms": 8.94,
              "best_ms": 8.49,
              "rss_mib": 28.93,
              "cpu_ms": 8.0,
              "bytes": 140800
            },
            "rustc -O3": {
              "wall_ms": 10.61,
              "best_ms": 10.08,
              "rss_mib": 30.0,
              "cpu_ms": 9.5,
              "bytes": 132096
            },
            "go build": {
              "wall_ms": 9.96,
              "best_ms": 9.46,
              "rss_mib": 64.3,
              "cpu_ms": 9.5,
              "bytes": 2499072
            }
          }
        },
        {
          "name": "scan_dep",
          "desc_zh": "进位依赖链 prefix-add",
          "desc_en": "Carry dependency chain",
          "category": "algo",
          "xu_wall_ms": 62.68,
          "xu_best_ms": 61.55,
          "xu_rss_mib": 1.83,
          "xu_bytes": 53533,
          "c_wall_ms": 62.14,
          "rust_wall_ms": 62.57,
          "go_wall_ms": 232.96,
          "swift_wall_ms": 222.59,
          "ratio_vs_c": 1.01,
          "ratio_vs_rust": 1.0,
          "ratio_vs_go": 0.27,
          "ratio_vs_swift": 0.28,
          "implementations": {
            "Xu": {
              "wall_ms": 62.68,
              "best_ms": 61.55,
              "rss_mib": 1.83,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 62.14,
              "best_ms": 59.03,
              "rss_mib": 1.98,
              "cpu_ms": 55.9,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 62.57,
              "best_ms": 59.44,
              "rss_mib": 2.05,
              "cpu_ms": 56.3,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 232.96,
              "best_ms": 221.31,
              "rss_mib": 4.39,
              "cpu_ms": 221.3,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "chase_index",
          "desc_zh": "数据依赖下标指针追逐",
          "desc_en": "Data-dependent index chasing",
          "category": "data",
          "xu_wall_ms": 124.71,
          "xu_best_ms": 122.76,
          "xu_rss_mib": 2.68,
          "xu_bytes": 53533,
          "c_wall_ms": 115.1,
          "rust_wall_ms": 118.27,
          "go_wall_ms": 118.2,
          "swift_wall_ms": 121.07,
          "ratio_vs_c": 1.08,
          "ratio_vs_rust": 1.05,
          "ratio_vs_go": 1.06,
          "ratio_vs_swift": 1.03,
          "implementations": {
            "Xu": {
              "wall_ms": 124.71,
              "best_ms": 122.76,
              "rss_mib": 2.68,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 115.1,
              "best_ms": 109.34,
              "rss_mib": 2.89,
              "cpu_ms": 103.6,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 118.27,
              "best_ms": 112.36,
              "rss_mib": 3.0,
              "cpu_ms": 106.4,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 118.2,
              "best_ms": 112.29,
              "rss_mib": 6.43,
              "cpu_ms": 112.3,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "sieve_primes",
          "desc_zh": "埃氏素数筛法",
          "desc_en": "Sieve of Eratosthenes",
          "category": "algo",
          "xu_wall_ms": 10.92,
          "xu_best_ms": 10.17,
          "xu_rss_mib": 20.73,
          "xu_bytes": 53533,
          "c_wall_ms": 10.6,
          "rust_wall_ms": 14.75,
          "go_wall_ms": 14.02,
          "swift_wall_ms": 15.23,
          "ratio_vs_c": 1.03,
          "ratio_vs_rust": 0.74,
          "ratio_vs_go": 0.78,
          "ratio_vs_swift": 0.72,
          "implementations": {
            "Xu": {
              "wall_ms": 10.92,
              "best_ms": 10.17,
              "rss_mib": 20.73,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 10.6,
              "best_ms": 10.07,
              "rss_mib": 22.39,
              "cpu_ms": 9.5,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 14.75,
              "best_ms": 14.01,
              "rss_mib": 23.22,
              "cpu_ms": 13.3,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 14.02,
              "best_ms": 13.32,
              "rss_mib": 49.75,
              "cpu_ms": 13.3,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "crc32_iso",
          "desc_zh": "CRC32 校验和吞吐",
          "desc_en": "CRC32 stream checksum",
          "category": "crypto",
          "xu_wall_ms": 39.09,
          "xu_best_ms": 38.07,
          "xu_rss_mib": 3.3,
          "xu_bytes": 53533,
          "c_wall_ms": 21.51,
          "rust_wall_ms": 22.5,
          "go_wall_ms": 66.9,
          "swift_wall_ms": 22.57,
          "ratio_vs_c": 1.82,
          "ratio_vs_rust": 1.74,
          "ratio_vs_go": 0.58,
          "ratio_vs_swift": 1.73,
          "implementations": {
            "Xu": {
              "wall_ms": 39.09,
              "best_ms": 38.07,
              "rss_mib": 3.3,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 21.51,
              "best_ms": 20.43,
              "rss_mib": 3.56,
              "cpu_ms": 19.4,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 22.5,
              "best_ms": 21.38,
              "rss_mib": 3.7,
              "cpu_ms": 20.2,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 66.9,
              "best_ms": 63.55,
              "rss_mib": 7.92,
              "cpu_ms": 63.6,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "builder",
          "desc_zh": "字符串构建器动态扩容",
          "desc_en": "String builder dynamic capacity",
          "category": "string",
          "xu_wall_ms": 6.01,
          "xu_best_ms": 5.51,
          "xu_rss_mib": 2.38,
          "xu_bytes": 390407,
          "c_wall_ms": 3.28,
          "rust_wall_ms": 4.15,
          "go_wall_ms": 5.24,
          "swift_wall_ms": 6.05,
          "ratio_vs_c": 1.83,
          "ratio_vs_rust": 1.45,
          "ratio_vs_go": 1.15,
          "ratio_vs_swift": 0.99,
          "implementations": {
            "Xu": {
              "wall_ms": 6.01,
              "best_ms": 5.51,
              "rss_mib": 2.38,
              "cpu_ms": 1.1,
              "bytes": 390407
            },
            "clang -O3": {
              "wall_ms": 3.28,
              "best_ms": 3.12,
              "rss_mib": 2.57,
              "cpu_ms": 3.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 4.15,
              "best_ms": 3.94,
              "rss_mib": 2.67,
              "cpu_ms": 3.7,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 5.24,
              "best_ms": 4.98,
              "rss_mib": 5.71,
              "cpu_ms": 5.0,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "byte_view",
          "desc_zh": "切片视图子串搜索",
          "desc_en": "String slice view & search",
          "category": "string",
          "xu_wall_ms": 3.6,
          "xu_best_ms": 3.24,
          "xu_rss_mib": 2.23,
          "xu_bytes": 390407,
          "c_wall_ms": 3.28,
          "rust_wall_ms": 3.93,
          "go_wall_ms": 4.67,
          "swift_wall_ms": 6.48,
          "ratio_vs_c": 1.1,
          "ratio_vs_rust": 0.92,
          "ratio_vs_go": 0.77,
          "ratio_vs_swift": 0.56,
          "implementations": {
            "Xu": {
              "wall_ms": 3.6,
              "best_ms": 3.24,
              "rss_mib": 2.23,
              "cpu_ms": 1.1,
              "bytes": 390407
            },
            "clang -O3": {
              "wall_ms": 3.28,
              "best_ms": 3.12,
              "rss_mib": 2.41,
              "cpu_ms": 3.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 3.93,
              "best_ms": 3.73,
              "rss_mib": 2.5,
              "cpu_ms": 3.5,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 4.67,
              "best_ms": 4.44,
              "rss_mib": 5.35,
              "cpu_ms": 4.4,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "strings_io",
          "desc_zh": "字符串综合切分拼接",
          "desc_en": "Strings IO (repeat/split/join)",
          "category": "string",
          "xu_wall_ms": 113.35,
          "xu_best_ms": 111.51,
          "xu_rss_mib": 2.14,
          "xu_bytes": 479312,
          "c_wall_ms": 53.94,
          "rust_wall_ms": 72.07,
          "go_wall_ms": 212.48,
          "swift_wall_ms": 2709.83,
          "ratio_vs_c": 2.1,
          "ratio_vs_rust": 1.57,
          "ratio_vs_go": 0.53,
          "ratio_vs_swift": 0.04,
          "implementations": {
            "Xu": {
              "wall_ms": 113.35,
              "best_ms": 111.51,
              "rss_mib": 2.14,
              "cpu_ms": 1.1,
              "bytes": 479312
            },
            "clang -O3": {
              "wall_ms": 53.94,
              "best_ms": 51.24,
              "rss_mib": 2.31,
              "cpu_ms": 48.5,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 72.07,
              "best_ms": 68.47,
              "rss_mib": 2.4,
              "cpu_ms": 64.9,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 212.48,
              "best_ms": 201.86,
              "rss_mib": 5.14,
              "cpu_ms": 201.9,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "string_count",
          "desc_zh": "短串字节匹配计数",
          "desc_en": "Short string byte counting",
          "category": "string",
          "xu_wall_ms": 52.09,
          "xu_best_ms": 51.05,
          "xu_rss_mib": 1.84,
          "xu_bytes": 390407,
          "c_wall_ms": 19.87,
          "rust_wall_ms": 19.0,
          "go_wall_ms": 23.71,
          "swift_wall_ms": 57.35,
          "ratio_vs_c": 2.62,
          "ratio_vs_rust": 2.74,
          "ratio_vs_go": 2.2,
          "ratio_vs_swift": 0.91,
          "implementations": {
            "Xu": {
              "wall_ms": 52.09,
              "best_ms": 51.05,
              "rss_mib": 1.84,
              "cpu_ms": 1.1,
              "bytes": 390407
            },
            "clang -O3": {
              "wall_ms": 19.87,
              "best_ms": 18.88,
              "rss_mib": 1.99,
              "cpu_ms": 17.9,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 19.0,
              "best_ms": 18.05,
              "rss_mib": 2.06,
              "cpu_ms": 17.1,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 23.71,
              "best_ms": 22.52,
              "rss_mib": 4.42,
              "cpu_ms": 22.5,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "heap_priority",
          "desc_zh": "二叉堆优先队列",
          "desc_en": "Binary heap priority queue",
          "category": "data",
          "xu_wall_ms": 61.81,
          "xu_best_ms": 60.47,
          "xu_rss_mib": 4.59,
          "xu_bytes": 88992,
          "c_wall_ms": 20.63,
          "rust_wall_ms": 21.95,
          "go_wall_ms": 73.68,
          "swift_wall_ms": 29.16,
          "ratio_vs_c": 3.0,
          "ratio_vs_rust": 2.82,
          "ratio_vs_go": 0.84,
          "ratio_vs_swift": 2.12,
          "implementations": {
            "Xu": {
              "wall_ms": 61.81,
              "best_ms": 60.47,
              "rss_mib": 4.59,
              "cpu_ms": 1.1,
              "bytes": 88992
            },
            "clang -O3": {
              "wall_ms": 20.63,
              "best_ms": 19.6,
              "rss_mib": 4.96,
              "cpu_ms": 18.6,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 21.95,
              "best_ms": 20.85,
              "rss_mib": 5.14,
              "cpu_ms": 19.8,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 73.68,
              "best_ms": 70.0,
              "rss_mib": 11.02,
              "cpu_ms": 70.0,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "hex_codec",
          "desc_zh": "十六进制编解码流",
          "desc_en": "Hexadecimal codec stream",
          "category": "string",
          "xu_wall_ms": 24.9,
          "xu_best_ms": 24.55,
          "xu_rss_mib": 1.89,
          "xu_bytes": 408136,
          "c_wall_ms": 13.54,
          "rust_wall_ms": 13.64,
          "go_wall_ms": 42.41,
          "swift_wall_ms": 95.8,
          "ratio_vs_c": 1.84,
          "ratio_vs_rust": 1.83,
          "ratio_vs_go": 0.59,
          "ratio_vs_swift": 0.26,
          "implementations": {
            "Xu": {
              "wall_ms": 24.9,
              "best_ms": 24.55,
              "rss_mib": 1.89,
              "cpu_ms": 1.1,
              "bytes": 408136
            },
            "clang -O3": {
              "wall_ms": 13.54,
              "best_ms": 12.86,
              "rss_mib": 2.04,
              "cpu_ms": 12.2,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 13.64,
              "best_ms": 12.96,
              "rss_mib": 2.12,
              "cpu_ms": 12.3,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 42.41,
              "best_ms": 40.29,
              "rss_mib": 4.54,
              "cpu_ms": 40.3,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "base64_codec",
          "desc_zh": "Base64 编解码流",
          "desc_en": "Base64 codec stream",
          "category": "string",
          "xu_wall_ms": 20.75,
          "xu_best_ms": 20.33,
          "xu_rss_mib": 1.92,
          "xu_bytes": 443594,
          "c_wall_ms": 13.32,
          "rust_wall_ms": 12.78,
          "go_wall_ms": 15.48,
          "swift_wall_ms": 14.8,
          "ratio_vs_c": 1.56,
          "ratio_vs_rust": 1.62,
          "ratio_vs_go": 1.34,
          "ratio_vs_swift": 1.4,
          "implementations": {
            "Xu": {
              "wall_ms": 20.75,
              "best_ms": 20.33,
              "rss_mib": 1.92,
              "cpu_ms": 1.1,
              "bytes": 443594
            },
            "clang -O3": {
              "wall_ms": 13.32,
              "best_ms": 12.65,
              "rss_mib": 2.07,
              "cpu_ms": 12.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 12.78,
              "best_ms": 12.14,
              "rss_mib": 2.15,
              "cpu_ms": 11.5,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 15.48,
              "best_ms": 14.71,
              "rss_mib": 4.61,
              "cpu_ms": 14.7,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "ring_buffer",
          "desc_zh": "双端环形缓冲区",
          "desc_en": "Ring buffer queue",
          "category": "data",
          "xu_wall_ms": 110.51,
          "xu_best_ms": 107.94,
          "xu_rss_mib": 1.89,
          "xu_bytes": 53533,
          "c_wall_ms": 56.46,
          "rust_wall_ms": 57.32,
          "go_wall_ms": 82.92,
          "swift_wall_ms": 85.0,
          "ratio_vs_c": 1.96,
          "ratio_vs_rust": 1.93,
          "ratio_vs_go": 1.33,
          "ratio_vs_swift": 1.3,
          "implementations": {
            "Xu": {
              "wall_ms": 110.51,
              "best_ms": 107.94,
              "rss_mib": 1.89,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 56.46,
              "best_ms": 53.64,
              "rss_mib": 2.04,
              "cpu_ms": 50.8,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 57.32,
              "best_ms": 54.45,
              "rss_mib": 2.12,
              "cpu_ms": 51.6,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 82.92,
              "best_ms": 78.77,
              "rss_mib": 4.54,
              "cpu_ms": 78.8,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "md5_chain",
          "desc_zh": "MD5 散列计算链",
          "desc_en": "MD5 digest chain",
          "category": "crypto",
          "xu_wall_ms": 51.21,
          "xu_best_ms": 50.62,
          "xu_rss_mib": 1.84,
          "xu_bytes": 88992,
          "c_wall_ms": 15.51,
          "rust_wall_ms": 22.71,
          "go_wall_ms": 21.26,
          "swift_wall_ms": 1560.71,
          "ratio_vs_c": 3.3,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 2.41,
          "ratio_vs_swift": 0.03,
          "implementations": {
            "Xu": {
              "wall_ms": 51.21,
              "best_ms": 50.62,
              "rss_mib": 1.84,
              "cpu_ms": 1.1,
              "bytes": 88992
            },
            "clang -O3": {
              "wall_ms": 15.51,
              "best_ms": 14.73,
              "rss_mib": 1.99,
              "cpu_ms": 14.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 22.71,
              "best_ms": 21.57,
              "rss_mib": 2.06,
              "cpu_ms": 20.4,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 21.26,
              "best_ms": 20.2,
              "rss_mib": 4.42,
              "cpu_ms": 20.2,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "quicksort_hoare",
          "desc_zh": "Hoare 双指针快排",
          "desc_en": "Hoare quicksort",
          "category": "algo",
          "xu_wall_ms": 75.45,
          "xu_best_ms": 74.31,
          "xu_rss_mib": 3.3,
          "xu_bytes": 53533,
          "c_wall_ms": 38.88,
          "rust_wall_ms": 38.88,
          "go_wall_ms": 41.97,
          "swift_wall_ms": 43.96,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.94,
          "ratio_vs_go": 1.8,
          "ratio_vs_swift": 1.72,
          "implementations": {
            "Xu": {
              "wall_ms": 75.45,
              "best_ms": 74.31,
              "rss_mib": 3.3,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 38.88,
              "best_ms": 36.94,
              "rss_mib": 3.56,
              "cpu_ms": 35.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 38.88,
              "best_ms": 36.94,
              "rss_mib": 3.7,
              "cpu_ms": 35.0,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 41.97,
              "best_ms": 39.87,
              "rss_mib": 7.92,
              "cpu_ms": 39.9,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "lru_cache",
          "desc_zh": "LRU 双向链表淘汰缓存",
          "desc_en": "LRU cache (hash + dll)",
          "category": "data",
          "xu_wall_ms": 66.61,
          "xu_best_ms": 65.54,
          "xu_rss_mib": 1.97,
          "xu_bytes": 53533,
          "c_wall_ms": 27.3,
          "rust_wall_ms": 29.6,
          "go_wall_ms": 42.29,
          "swift_wall_ms": 45.36,
          "ratio_vs_c": 2.44,
          "ratio_vs_rust": 2.25,
          "ratio_vs_go": 1.58,
          "ratio_vs_swift": 1.47,
          "implementations": {
            "Xu": {
              "wall_ms": 66.61,
              "best_ms": 65.54,
              "rss_mib": 1.97,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 27.3,
              "best_ms": 25.93,
              "rss_mib": 2.13,
              "cpu_ms": 24.6,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 29.6,
              "best_ms": 28.12,
              "rss_mib": 2.21,
              "cpu_ms": 26.6,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 42.29,
              "best_ms": 40.18,
              "rss_mib": 4.73,
              "cpu_ms": 40.2,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "bloom_filter",
          "desc_zh": "布隆过滤器位图查验",
          "desc_en": "Bloom filter bitmap",
          "category": "data",
          "xu_wall_ms": 53.29,
          "xu_best_ms": 52.68,
          "xu_rss_mib": 1.93,
          "xu_bytes": 53533,
          "c_wall_ms": 27.41,
          "rust_wall_ms": 28.61,
          "go_wall_ms": 38.73,
          "swift_wall_ms": 36.72,
          "ratio_vs_c": 1.94,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.38,
          "ratio_vs_swift": 1.45,
          "implementations": {
            "Xu": {
              "wall_ms": 53.29,
              "best_ms": 52.68,
              "rss_mib": 1.93,
              "cpu_ms": 1.1,
              "bytes": 53533
            },
            "clang -O3": {
              "wall_ms": 27.41,
              "best_ms": 26.04,
              "rss_mib": 2.08,
              "cpu_ms": 24.7,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 28.61,
              "best_ms": 27.18,
              "rss_mib": 2.16,
              "cpu_ms": 25.7,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 38.73,
              "best_ms": 36.79,
              "rss_mib": 4.63,
              "cpu_ms": 36.8,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes128_encrypt",
          "desc_zh": "AES-128 软件加密",
          "desc_en": "AES-128 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 4.16,
          "xu_best_ms": 4.16,
          "xu_rss_mib": 26.79,
          "xu_bytes": 238080,
          "c_wall_ms": 27.04,
          "rust_wall_ms": 32.76,
          "go_wall_ms": 60.95,
          "swift_wall_ms": 54.86,
          "ratio_vs_c": 0.15,
          "ratio_vs_rust": 0.13,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.08,
          "implementations": {
            "Xu": {
              "wall_ms": 4.16,
              "best_ms": 4.16,
              "rss_mib": 26.79,
              "cpu_ms": 4.1,
              "bytes": 238080
            },
            "clang -O3": {
              "wall_ms": 27.04,
              "best_ms": 25.69,
              "rss_mib": 28.93,
              "cpu_ms": 24.3,
              "bytes": 146432
            },
            "rustc -O3": {
              "wall_ms": 32.76,
              "best_ms": 31.12,
              "rss_mib": 30.0,
              "cpu_ms": 29.5,
              "bytes": 141312
            },
            "go build": {
              "wall_ms": 60.95,
              "best_ms": 57.9,
              "rss_mib": 64.3,
              "cpu_ms": 57.9,
              "bytes": 2534912
            }
          }
        },
        {
          "name": "aes128_decrypt",
          "desc_zh": "AES-128 软件解密",
          "desc_en": "AES-128 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.33,
          "xu_best_ms": 6.05,
          "xu_rss_mib": 1.9,
          "xu_bytes": 266284,
          "c_wall_ms": 46.85,
          "rust_wall_ms": 51.54,
          "go_wall_ms": 69.23,
          "swift_wall_ms": 70.09,
          "ratio_vs_c": 0.14,
          "ratio_vs_rust": 0.12,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09,
          "implementations": {
            "Xu": {
              "wall_ms": 6.33,
              "best_ms": 6.05,
              "rss_mib": 1.9,
              "cpu_ms": 1.1,
              "bytes": 266284
            },
            "clang -O3": {
              "wall_ms": 46.85,
              "best_ms": 44.51,
              "rss_mib": 2.05,
              "cpu_ms": 42.2,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 51.54,
              "best_ms": 48.96,
              "rss_mib": 2.13,
              "cpu_ms": 46.4,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 69.23,
              "best_ms": 65.77,
              "rss_mib": 4.56,
              "cpu_ms": 65.8,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes128_key_setup",
          "desc_zh": "AES-128 密钥扩展",
          "desc_en": "AES-128 key expansion",
          "category": "crypto",
          "xu_wall_ms": 38.44,
          "xu_best_ms": 37.75,
          "xu_rss_mib": 1.89,
          "xu_bytes": 248555,
          "c_wall_ms": 27.19,
          "rust_wall_ms": 25.0,
          "go_wall_ms": 36.73,
          "swift_wall_ms": 29.38,
          "ratio_vs_c": 1.41,
          "ratio_vs_rust": 1.54,
          "ratio_vs_go": 1.05,
          "ratio_vs_swift": 1.31,
          "implementations": {
            "Xu": {
              "wall_ms": 38.44,
              "best_ms": 37.75,
              "rss_mib": 1.89,
              "cpu_ms": 1.1,
              "bytes": 248555
            },
            "clang -O3": {
              "wall_ms": 27.19,
              "best_ms": 25.83,
              "rss_mib": 2.04,
              "cpu_ms": 24.5,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 25.0,
              "best_ms": 23.75,
              "rss_mib": 2.12,
              "cpu_ms": 22.5,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 36.73,
              "best_ms": 34.89,
              "rss_mib": 4.54,
              "cpu_ms": 34.9,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes192_encrypt",
          "desc_zh": "AES-192 软件加密",
          "desc_en": "AES-192 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.12,
          "xu_best_ms": 5.95,
          "xu_rss_mib": 1.9,
          "xu_bytes": 266284,
          "c_wall_ms": 29.48,
          "rust_wall_ms": 35.16,
          "go_wall_ms": 61.78,
          "swift_wall_ms": 65.56,
          "ratio_vs_c": 0.21,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.1,
          "ratio_vs_swift": 0.09,
          "implementations": {
            "Xu": {
              "wall_ms": 6.12,
              "best_ms": 5.95,
              "rss_mib": 1.9,
              "cpu_ms": 1.1,
              "bytes": 266284
            },
            "clang -O3": {
              "wall_ms": 29.48,
              "best_ms": 28.01,
              "rss_mib": 2.05,
              "cpu_ms": 26.5,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 35.16,
              "best_ms": 33.4,
              "rss_mib": 2.13,
              "cpu_ms": 31.6,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 61.78,
              "best_ms": 58.69,
              "rss_mib": 4.56,
              "cpu_ms": 58.7,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes192_decrypt",
          "desc_zh": "AES-192 软件解密",
          "desc_en": "AES-192 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.67,
          "xu_best_ms": 6.17,
          "xu_rss_mib": 1.9,
          "xu_bytes": 266284,
          "c_wall_ms": 54.38,
          "rust_wall_ms": 59.96,
          "go_wall_ms": 80.8,
          "swift_wall_ms": 75.82,
          "ratio_vs_c": 0.12,
          "ratio_vs_rust": 0.11,
          "ratio_vs_go": 0.08,
          "ratio_vs_swift": 0.09,
          "implementations": {
            "Xu": {
              "wall_ms": 6.67,
              "best_ms": 6.17,
              "rss_mib": 1.9,
              "cpu_ms": 1.1,
              "bytes": 266284
            },
            "clang -O3": {
              "wall_ms": 54.38,
              "best_ms": 51.66,
              "rss_mib": 2.05,
              "cpu_ms": 48.9,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 59.96,
              "best_ms": 56.96,
              "rss_mib": 2.13,
              "cpu_ms": 54.0,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 80.8,
              "best_ms": 76.76,
              "rss_mib": 4.56,
              "cpu_ms": 76.8,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes192_key_setup",
          "desc_zh": "AES-192 密钥扩展",
          "desc_en": "AES-192 key expansion",
          "category": "crypto",
          "xu_wall_ms": 44.55,
          "xu_best_ms": 43.7,
          "xu_rss_mib": 1.89,
          "xu_bytes": 248555,
          "c_wall_ms": 27.08,
          "rust_wall_ms": 23.92,
          "go_wall_ms": 37.06,
          "swift_wall_ms": 29.59,
          "ratio_vs_c": 1.65,
          "ratio_vs_rust": 1.86,
          "ratio_vs_go": 1.2,
          "ratio_vs_swift": 1.51,
          "implementations": {
            "Xu": {
              "wall_ms": 44.55,
              "best_ms": 43.7,
              "rss_mib": 1.89,
              "cpu_ms": 1.1,
              "bytes": 248555
            },
            "clang -O3": {
              "wall_ms": 27.08,
              "best_ms": 25.73,
              "rss_mib": 2.04,
              "cpu_ms": 24.4,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 23.92,
              "best_ms": 22.72,
              "rss_mib": 2.12,
              "cpu_ms": 21.5,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 37.06,
              "best_ms": 35.21,
              "rss_mib": 4.54,
              "cpu_ms": 35.2,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes256_encrypt",
          "desc_zh": "AES-256 软件加密",
          "desc_en": "AES-256 software encrypt",
          "category": "crypto",
          "xu_wall_ms": 6.33,
          "xu_best_ms": 6.17,
          "xu_rss_mib": 1.9,
          "xu_bytes": 266284,
          "c_wall_ms": 31.23,
          "rust_wall_ms": 37.9,
          "go_wall_ms": 69.01,
          "swift_wall_ms": 71.93,
          "ratio_vs_c": 0.2,
          "ratio_vs_rust": 0.17,
          "ratio_vs_go": 0.09,
          "ratio_vs_swift": 0.09,
          "implementations": {
            "Xu": {
              "wall_ms": 6.33,
              "best_ms": 6.17,
              "rss_mib": 1.9,
              "cpu_ms": 1.1,
              "bytes": 266284
            },
            "clang -O3": {
              "wall_ms": 31.23,
              "best_ms": 29.67,
              "rss_mib": 2.05,
              "cpu_ms": 28.1,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 37.9,
              "best_ms": 36.0,
              "rss_mib": 2.13,
              "cpu_ms": 34.1,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 69.01,
              "best_ms": 65.56,
              "rss_mib": 4.56,
              "cpu_ms": 65.6,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes256_decrypt",
          "desc_zh": "AES-256 软件解密",
          "desc_en": "AES-256 software decrypt",
          "category": "crypto",
          "xu_wall_ms": 6.55,
          "xu_best_ms": 6.27,
          "xu_rss_mib": 1.9,
          "xu_bytes": 266284,
          "c_wall_ms": 61.15,
          "rust_wall_ms": 67.38,
          "go_wall_ms": 91.71,
          "swift_wall_ms": 88.99,
          "ratio_vs_c": 0.11,
          "ratio_vs_rust": 0.1,
          "ratio_vs_go": 0.07,
          "ratio_vs_swift": 0.07,
          "implementations": {
            "Xu": {
              "wall_ms": 6.55,
              "best_ms": 6.27,
              "rss_mib": 1.9,
              "cpu_ms": 1.1,
              "bytes": 266284
            },
            "clang -O3": {
              "wall_ms": 61.15,
              "best_ms": 58.09,
              "rss_mib": 2.05,
              "cpu_ms": 55.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 67.38,
              "best_ms": 64.01,
              "rss_mib": 2.13,
              "cpu_ms": 60.6,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 91.71,
              "best_ms": 87.12,
              "rss_mib": 4.56,
              "cpu_ms": 87.1,
              "bytes": 1950000
            }
          }
        },
        {
          "name": "aes256_key_setup",
          "desc_zh": "AES-256 密钥扩展",
          "desc_en": "AES-256 key expansion",
          "category": "crypto",
          "xu_wall_ms": 50.13,
          "xu_best_ms": 49.21,
          "xu_rss_mib": 1.89,
          "xu_bytes": 248555,
          "c_wall_ms": 27.74,
          "rust_wall_ms": 24.68,
          "go_wall_ms": 37.29,
          "swift_wall_ms": 30.02,
          "ratio_vs_c": 1.81,
          "ratio_vs_rust": 2.03,
          "ratio_vs_go": 1.34,
          "ratio_vs_swift": 1.67,
          "implementations": {
            "Xu": {
              "wall_ms": 50.13,
              "best_ms": 49.21,
              "rss_mib": 1.89,
              "cpu_ms": 1.1,
              "bytes": 248555
            },
            "clang -O3": {
              "wall_ms": 27.74,
              "best_ms": 26.35,
              "rss_mib": 2.04,
              "cpu_ms": 25.0,
              "bytes": 24000
            },
            "rustc -O3": {
              "wall_ms": 24.68,
              "best_ms": 23.45,
              "rss_mib": 2.12,
              "cpu_ms": 22.2,
              "bytes": 460000
            },
            "go build": {
              "wall_ms": 37.29,
              "best_ms": 35.43,
              "rss_mib": 4.54,
              "cpu_ms": 35.4,
              "bytes": 1950000
            }
          }
        }
      ],
      "footprint": [
        {
          "impl": "Xu",
          "rss": "2.05 – 19.80",
          "size": "35.8 – 446.5",
          "gc_zh": "零 GC · 编译期借用与 RAII 确定性析构",
          "gc_en": "Zero GC / RAII Scope Drop"
        },
        {
          "impl": "Clang -O3",
          "rss": "2.12 – 20.90",
          "size": "17.8 – 35.6",
          "gc_zh": "手动 free / MSVC CRT",
          "gc_en": "Manual Free / MSVC CRT"
        },
        {
          "impl": "rustc -O3",
          "rss": "2.25 – 21.40",
          "size": "436.0 – 532.0",
          "gc_zh": "零 GC · 所有权生命周期与 Drop",
          "gc_en": "Zero GC / Ownership Drop"
        },
        {
          "impl": "Go build",
          "rss": "3.90 – 47.50",
          "size": "1805.0 – 2710.0",
          "gc_zh": "并发三色标记清除 GC 运行时",
          "gc_en": "Concurrent Tracing GC Runtime"
        }
      ]
    }
  },
  "benches": [
    {
      "name": "startup",
      "desc_zh": "进程启动/空 main",
      "desc_en": "Process startup / empty main",
      "category": "control",
      "xu_wall_ms": 3.5,
      "xu_best_ms": 3.3,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 3.4,
      "rust_wall_ms": 3.8,
      "go_wall_ms": 4.8,
      "swift_wall_ms": 3.7,
      "ratio_vs_c": 1.03,
      "ratio_vs_rust": 0.92,
      "ratio_vs_go": 0.73,
      "ratio_vs_swift": 0.95,
      "implementations": {
        "Xu": {
          "wall_ms": 3.5,
          "best_ms": 3.3,
          "rss_mib": 1.45,
          "cpu_ms": 1.8,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 4.8,
          "best_ms": 3.9,
          "rss_mib": 3.48,
          "cpu_ms": 2.7,
          "bytes": 1749218
        },
        "clang -O1": {
          "wall_ms": 3.8,
          "best_ms": 3.4,
          "rss_mib": 1.58,
          "cpu_ms": 1.7,
          "bytes": 16848
        },
        "clang -O2": {
          "wall_ms": 3.3,
          "best_ms": 2.9,
          "rss_mib": 1.58,
          "cpu_ms": 1.6,
          "bytes": 16848
        },
        "clang -O3": {
          "wall_ms": 3.4,
          "best_ms": 3.2,
          "rss_mib": 1.59,
          "cpu_ms": 1.7,
          "bytes": 16848
        },
        "rustc -O1": {
          "wall_ms": 4.0,
          "best_ms": 3.5,
          "rss_mib": 1.7,
          "cpu_ms": 2.2,
          "bytes": 439216
        },
        "rustc -O2": {
          "wall_ms": 3.9,
          "best_ms": 3.5,
          "rss_mib": 1.69,
          "cpu_ms": 2.3,
          "bytes": 439216
        },
        "rustc -O3": {
          "wall_ms": 3.8,
          "best_ms": 3.3,
          "rss_mib": 1.69,
          "cpu_ms": 2.2,
          "bytes": 439216
        },
        "swiftc -O": {
          "wall_ms": 3.7,
          "best_ms": 3.2,
          "rss_mib": 1.59,
          "cpu_ms": 1.8,
          "bytes": 33456
        }
      }
    },
    {
      "name": "loop_sum",
      "desc_zh": "整数累加循环",
      "desc_en": "Integer loop accumulation",
      "category": "control",
      "xu_wall_ms": 10.3,
      "xu_best_ms": 10.0,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 9.6,
      "rust_wall_ms": 10.2,
      "go_wall_ms": 28.7,
      "swift_wall_ms": 20.8,
      "ratio_vs_c": 1.07,
      "ratio_vs_rust": 1.01,
      "ratio_vs_go": 0.36,
      "ratio_vs_swift": 0.5,
      "implementations": {
        "Xu": {
          "wall_ms": 10.3,
          "best_ms": 10.0,
          "rss_mib": 1.45,
          "cpu_ms": 8.4,
          "bytes": 33152
        },
        "xu --no-opt": {
          "wall_ms": 9.8,
          "best_ms": 9.6,
          "rss_mib": 1.45,
          "cpu_ms": 8.1,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 28.7,
          "best_ms": 28.4,
          "rss_mib": 4.16,
          "cpu_ms": 26.8,
          "bytes": 2492450
        },
        "clang -O0": {
          "wall_ms": 36.2,
          "best_ms": 36.0,
          "rss_mib": 1.59,
          "cpu_ms": 34.2,
          "bytes": 33440
        },
        "clang -O1": {
          "wall_ms": 19.9,
          "best_ms": 19.5,
          "rss_mib": 1.59,
          "cpu_ms": 18.1,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 9.8,
          "best_ms": 9.5,
          "rss_mib": 1.58,
          "cpu_ms": 8.1,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 9.6,
          "best_ms": 9.4,
          "rss_mib": 1.59,
          "cpu_ms": 7.9,
          "bytes": 33440
        },
        "rustc -O0": {
          "wall_ms": 69.1,
          "best_ms": 68.8,
          "rss_mib": 1.77,
          "cpu_ms": 67.2,
          "bytes": 443504
        },
        "rustc -O1": {
          "wall_ms": 20.9,
          "best_ms": 20.2,
          "rss_mib": 1.77,
          "cpu_ms": 18.8,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 10.1,
          "best_ms": 9.8,
          "rss_mib": 1.78,
          "cpu_ms": 8.4,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 10.2,
          "best_ms": 9.9,
          "rss_mib": 1.77,
          "cpu_ms": 8.4,
          "bytes": 442768
        },
        "swiftc -Onone": {
          "wall_ms": 1232.4,
          "best_ms": 1229.0,
          "rss_mib": 1.88,
          "cpu_ms": 1225.7,
          "bytes": 34512
        },
        "swiftc -O": {
          "wall_ms": 20.8,
          "best_ms": 20.3,
          "rss_mib": 1.86,
          "cpu_ms": 18.7,
          "bytes": 50848
        }
      }
    },
    {
      "name": "fib",
      "desc_zh": "递归调用 (fib 35)",
      "desc_en": "Recursive call (fib 35)",
      "category": "control",
      "xu_wall_ms": 32.5,
      "xu_best_ms": 32.1,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 21.0,
      "rust_wall_ms": 22.1,
      "go_wall_ms": 24.7,
      "swift_wall_ms": 27.0,
      "ratio_vs_c": 1.55,
      "ratio_vs_rust": 1.47,
      "ratio_vs_go": 1.32,
      "ratio_vs_swift": 1.2,
      "implementations": {
        "Xu": {
          "wall_ms": 32.5,
          "best_ms": 32.1,
          "rss_mib": 1.45,
          "cpu_ms": 30.5,
          "bytes": 33152
        },
        "xu --no-opt": {
          "wall_ms": 61.5,
          "best_ms": 60.7,
          "rss_mib": 1.45,
          "cpu_ms": 59.4,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 24.7,
          "best_ms": 23.8,
          "rss_mib": 4.2,
          "cpu_ms": 22.9,
          "bytes": 2492482
        },
        "clang -O0": {
          "wall_ms": 35.3,
          "best_ms": 34.8,
          "rss_mib": 1.58,
          "cpu_ms": 33.4,
          "bytes": 33448
        },
        "clang -O1": {
          "wall_ms": 20.2,
          "best_ms": 19.3,
          "rss_mib": 1.58,
          "cpu_ms": 18.1,
          "bytes": 33448
        },
        "clang -O2": {
          "wall_ms": 21.4,
          "best_ms": 21.1,
          "rss_mib": 1.58,
          "cpu_ms": 19.5,
          "bytes": 33448
        },
        "clang -O3": {
          "wall_ms": 21.0,
          "best_ms": 21.0,
          "rss_mib": 1.58,
          "cpu_ms": 19.1,
          "bytes": 33448
        },
        "rustc -O0": {
          "wall_ms": 44.7,
          "best_ms": 44.4,
          "rss_mib": 1.78,
          "cpu_ms": 42.7,
          "bytes": 443768
        },
        "rustc -O1": {
          "wall_ms": 20.8,
          "best_ms": 20.1,
          "rss_mib": 1.77,
          "cpu_ms": 18.7,
          "bytes": 442792
        },
        "rustc -O2": {
          "wall_ms": 21.9,
          "best_ms": 21.3,
          "rss_mib": 1.78,
          "cpu_ms": 20.1,
          "bytes": 442792
        },
        "rustc -O3": {
          "wall_ms": 22.1,
          "best_ms": 21.7,
          "rss_mib": 1.77,
          "cpu_ms": 20.2,
          "bytes": 442792
        },
        "swiftc -Onone": {
          "wall_ms": 45.0,
          "best_ms": 44.6,
          "rss_mib": 1.86,
          "cpu_ms": 42.7,
          "bytes": 34328
        },
        "swiftc -O": {
          "wall_ms": 27.0,
          "best_ms": 26.5,
          "rss_mib": 1.86,
          "cpu_ms": 24.8,
          "bytes": 50728
        }
      }
    },
    {
      "name": "nested_loop",
      "desc_zh": "深度嵌套循环",
      "desc_en": "Deeply nested loops",
      "category": "control",
      "xu_wall_ms": 5.7,
      "xu_best_ms": 5.3,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 23.2,
      "rust_wall_ms": 24.1,
      "go_wall_ms": 44.2,
      "swift_wall_ms": 25.2,
      "ratio_vs_c": 0.25,
      "ratio_vs_rust": 0.24,
      "ratio_vs_go": 0.13,
      "ratio_vs_swift": 0.23,
      "implementations": {
        "Xu": {
          "wall_ms": 5.7,
          "best_ms": 5.3,
          "rss_mib": 1.45,
          "cpu_ms": 3.9,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 44.2,
          "best_ms": 43.9,
          "rss_mib": 4.12,
          "cpu_ms": 42.5,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 32.3,
          "best_ms": 32.1,
          "rss_mib": 1.58,
          "cpu_ms": 30.5,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 23.8,
          "best_ms": 23.3,
          "rss_mib": 1.59,
          "cpu_ms": 21.8,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 23.2,
          "best_ms": 22.9,
          "rss_mib": 1.59,
          "cpu_ms": 21.3,
          "bytes": 33440
        },
        "rustc -O1": {
          "wall_ms": 32.9,
          "best_ms": 32.1,
          "rss_mib": 1.78,
          "cpu_ms": 30.8,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 23.7,
          "best_ms": 23.5,
          "rss_mib": 1.77,
          "cpu_ms": 21.8,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 24.1,
          "best_ms": 23.7,
          "rss_mib": 1.77,
          "cpu_ms": 22.1,
          "bytes": 442768
        },
        "swiftc -O": {
          "wall_ms": 25.2,
          "best_ms": 24.7,
          "rss_mib": 1.86,
          "cpu_ms": 23.1,
          "bytes": 50864
        }
      }
    },
    {
      "name": "method_sum",
      "desc_zh": "结构体方法调用",
      "desc_en": "Struct method dispatch",
      "category": "control",
      "xu_wall_ms": 4.5,
      "xu_best_ms": 4.2,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 4.6,
      "rust_wall_ms": 5.0,
      "go_wall_ms": 21.8,
      "swift_wall_ms": 6.7,
      "ratio_vs_c": 0.98,
      "ratio_vs_rust": 0.9,
      "ratio_vs_go": 0.21,
      "ratio_vs_swift": 0.67,
      "implementations": {
        "Xu": {
          "wall_ms": 4.5,
          "best_ms": 4.2,
          "rss_mib": 1.45,
          "cpu_ms": 2.8,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 21.8,
          "best_ms": 21.5,
          "rss_mib": 4.19,
          "cpu_ms": 20.1,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 6.2,
          "best_ms": 5.7,
          "rss_mib": 1.59,
          "cpu_ms": 4.5,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 4.4,
          "best_ms": 4.0,
          "rss_mib": 1.59,
          "cpu_ms": 2.9,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 4.6,
          "best_ms": 4.2,
          "rss_mib": 1.59,
          "cpu_ms": 2.9,
          "bytes": 33440
        },
        "rustc -O1": {
          "wall_ms": 6.6,
          "best_ms": 6.2,
          "rss_mib": 1.77,
          "cpu_ms": 4.9,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 4.8,
          "best_ms": 4.4,
          "rss_mib": 1.78,
          "cpu_ms": 3.2,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 5.0,
          "best_ms": 4.4,
          "rss_mib": 1.78,
          "cpu_ms": 3.3,
          "bytes": 442768
        },
        "swiftc -O": {
          "wall_ms": 6.7,
          "best_ms": 6.1,
          "rss_mib": 1.88,
          "cpu_ms": 4.9,
          "bytes": 51824
        }
      }
    },
    {
      "name": "f64_sum",
      "desc_zh": "双精度浮点算术",
      "desc_en": "Float64 arithmetic",
      "category": "control",
      "xu_wall_ms": 23.1,
      "xu_best_ms": 22.7,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 23.2,
      "rust_wall_ms": 23.3,
      "go_wall_ms": 24.4,
      "swift_wall_ms": 23.9,
      "ratio_vs_c": 1.0,
      "ratio_vs_rust": 0.99,
      "ratio_vs_go": 0.95,
      "ratio_vs_swift": 0.97,
      "implementations": {
        "Xu": {
          "wall_ms": 23.1,
          "best_ms": 22.7,
          "rss_mib": 1.45,
          "cpu_ms": 21.2,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 24.4,
          "best_ms": 24.0,
          "rss_mib": 4.2,
          "cpu_ms": 22.5,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 23.4,
          "best_ms": 22.9,
          "rss_mib": 1.59,
          "cpu_ms": 21.4,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 23.5,
          "best_ms": 23.4,
          "rss_mib": 1.58,
          "cpu_ms": 21.5,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 23.2,
          "best_ms": 22.9,
          "rss_mib": 1.59,
          "cpu_ms": 21.5,
          "bytes": 33440
        },
        "rustc -O1": {
          "wall_ms": 23.3,
          "best_ms": 22.7,
          "rss_mib": 1.77,
          "cpu_ms": 21.6,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 23.6,
          "best_ms": 22.9,
          "rss_mib": 1.77,
          "cpu_ms": 21.6,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 23.3,
          "best_ms": 23.0,
          "rss_mib": 1.78,
          "cpu_ms": 21.5,
          "bytes": 442768
        },
        "swiftc -O": {
          "wall_ms": 23.9,
          "best_ms": 23.7,
          "rss_mib": 1.88,
          "cpu_ms": 21.9,
          "bytes": 50848
        }
      }
    },
    {
      "name": "matmul",
      "desc_zh": "矩阵乘法 (i64 matmul)",
      "desc_en": "Matrix multiplication",
      "category": "algo",
      "xu_wall_ms": 10.9,
      "xu_best_ms": 10.6,
      "xu_rss_mib": 3.45,
      "xu_bytes": 49568,
      "c_wall_ms": 9.2,
      "rust_wall_ms": 9.2,
      "go_wall_ms": 15.7,
      "swift_wall_ms": 57.8,
      "ratio_vs_c": 1.18,
      "ratio_vs_rust": 1.18,
      "ratio_vs_go": 0.69,
      "ratio_vs_swift": 0.19,
      "implementations": {
        "Xu": {
          "wall_ms": 10.9,
          "best_ms": 10.6,
          "rss_mib": 3.45,
          "cpu_ms": 8.9,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 15.7,
          "best_ms": 15.4,
          "rss_mib": 5.62,
          "cpu_ms": 14.0,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 9.8,
          "best_ms": 9.3,
          "rss_mib": 3.06,
          "cpu_ms": 8.0,
          "bytes": 33512
        },
        "clang -O2": {
          "wall_ms": 9.0,
          "best_ms": 8.5,
          "rss_mib": 3.06,
          "cpu_ms": 7.1,
          "bytes": 33512
        },
        "clang -O3": {
          "wall_ms": 9.2,
          "best_ms": 8.7,
          "rss_mib": 3.06,
          "cpu_ms": 7.4,
          "bytes": 33512
        },
        "rustc -O1": {
          "wall_ms": 15.7,
          "best_ms": 15.5,
          "rss_mib": 3.25,
          "cpu_ms": 13.8,
          "bytes": 442800
        },
        "rustc -O2": {
          "wall_ms": 9.1,
          "best_ms": 8.9,
          "rss_mib": 3.27,
          "cpu_ms": 7.4,
          "bytes": 442800
        },
        "rustc -O3": {
          "wall_ms": 9.2,
          "best_ms": 8.9,
          "rss_mib": 3.25,
          "cpu_ms": 7.5,
          "bytes": 442800
        },
        "swiftc -O": {
          "wall_ms": 57.8,
          "best_ms": 57.2,
          "rss_mib": 3.33,
          "cpu_ms": 55.4,
          "bytes": 52120
        }
      }
    },
    {
      "name": "string_build",
      "desc_zh": "字符串扩容与构建",
      "desc_en": "String growth & scan",
      "category": "string",
      "xu_wall_ms": 4.3,
      "xu_best_ms": 4.0,
      "xu_rss_mib": 2.66,
      "xu_bytes": 49568,
      "c_wall_ms": 3.9,
      "rust_wall_ms": 4.4,
      "go_wall_ms": 5.8,
      "swift_wall_ms": 6.3,
      "ratio_vs_c": 1.1,
      "ratio_vs_rust": 0.98,
      "ratio_vs_go": 0.74,
      "ratio_vs_swift": 0.68,
      "implementations": {
        "Xu": {
          "wall_ms": 4.3,
          "best_ms": 4.0,
          "rss_mib": 2.66,
          "cpu_ms": 2.8,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 5.8,
          "best_ms": 5.6,
          "rss_mib": 8.97,
          "cpu_ms": 4.5,
          "bytes": 2492466
        },
        "clang -O1": {
          "wall_ms": 4.0,
          "best_ms": 3.8,
          "rss_mib": 2.64,
          "cpu_ms": 2.4,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 3.6,
          "best_ms": 3.3,
          "rss_mib": 2.64,
          "cpu_ms": 2.1,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 3.9,
          "best_ms": 3.3,
          "rss_mib": 2.64,
          "cpu_ms": 2.0,
          "bytes": 33568
        },
        "rustc -O1": {
          "wall_ms": 4.7,
          "best_ms": 4.5,
          "rss_mib": 2.84,
          "cpu_ms": 3.1,
          "bytes": 442928
        },
        "rustc -O2": {
          "wall_ms": 4.3,
          "best_ms": 3.8,
          "rss_mib": 2.84,
          "cpu_ms": 2.6,
          "bytes": 443008
        },
        "rustc -O3": {
          "wall_ms": 4.4,
          "best_ms": 3.7,
          "rss_mib": 2.83,
          "cpu_ms": 2.5,
          "bytes": 443008
        },
        "swiftc -O": {
          "wall_ms": 6.3,
          "best_ms": 6.0,
          "rss_mib": 4.42,
          "cpu_ms": 4.2,
          "bytes": 52320
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      }
    },
    {
      "name": "string_repeat",
      "desc_zh": "字符串倍增复制",
      "desc_en": "String repeat & copy",
      "category": "string",
      "xu_wall_ms": 36.7,
      "xu_best_ms": 36.5,
      "xu_rss_mib": 1.55,
      "xu_bytes": 361488,
      "c_wall_ms": 11.9,
      "rust_wall_ms": 12.1,
      "go_wall_ms": 41.4,
      "swift_wall_ms": 137.1,
      "ratio_vs_c": 3.08,
      "ratio_vs_rust": 3.03,
      "ratio_vs_go": 0.89,
      "ratio_vs_swift": 0.27,
      "implementations": {
        "Xu": {
          "wall_ms": 36.7,
          "best_ms": 36.5,
          "rss_mib": 1.55,
          "cpu_ms": 34.8,
          "bytes": 361488
        },
        "go build": {
          "wall_ms": 41.4,
          "best_ms": 40.1,
          "rss_mib": 11.34,
          "cpu_ms": 64.4,
          "bytes": 2492642
        },
        "clang -O1": {
          "wall_ms": 11.6,
          "best_ms": 11.4,
          "rss_mib": 1.61,
          "cpu_ms": 9.8,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 11.6,
          "best_ms": 11.5,
          "rss_mib": 1.61,
          "cpu_ms": 9.9,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 11.9,
          "best_ms": 11.5,
          "rss_mib": 1.61,
          "cpu_ms": 9.9,
          "bytes": 33568
        },
        "rustc -O1": {
          "wall_ms": 12.3,
          "best_ms": 11.4,
          "rss_mib": 1.8,
          "cpu_ms": 10.5,
          "bytes": 443056
        },
        "rustc -O2": {
          "wall_ms": 12.0,
          "best_ms": 10.9,
          "rss_mib": 1.81,
          "cpu_ms": 10.1,
          "bytes": 442800
        },
        "rustc -O3": {
          "wall_ms": 12.1,
          "best_ms": 11.7,
          "rss_mib": 1.8,
          "cpu_ms": 10.5,
          "bytes": 442800
        },
        "swiftc -O": {
          "wall_ms": 137.1,
          "best_ms": 136.8,
          "rss_mib": 1.97,
          "cpu_ms": 134.4,
          "bytes": 51744
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      }
    },
    {
      "name": "array_ops",
      "desc_zh": "动态数组扩容/索引",
      "desc_en": "Dynamic array growth",
      "category": "data",
      "xu_wall_ms": 5.7,
      "xu_best_ms": 5.3,
      "xu_rss_mib": 16.69,
      "xu_bytes": 49568,
      "c_wall_ms": 6.4,
      "rust_wall_ms": 9.0,
      "go_wall_ms": 14.4,
      "swift_wall_ms": 14.0,
      "ratio_vs_c": 0.89,
      "ratio_vs_rust": 0.63,
      "ratio_vs_go": 0.4,
      "ratio_vs_swift": 0.41,
      "implementations": {
        "Xu": {
          "wall_ms": 5.7,
          "best_ms": 5.3,
          "rss_mib": 16.69,
          "cpu_ms": 3.8,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 14.4,
          "best_ms": 14.0,
          "rss_mib": 45.67,
          "cpu_ms": 19.7,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 6.9,
          "best_ms": 6.5,
          "rss_mib": 18.95,
          "cpu_ms": 4.9,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 6.5,
          "best_ms": 6.4,
          "rss_mib": 18.95,
          "cpu_ms": 4.6,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 6.4,
          "best_ms": 6.0,
          "rss_mib": 18.95,
          "cpu_ms": 4.5,
          "bytes": 33568
        },
        "rustc -O1": {
          "wall_ms": 11.1,
          "best_ms": 10.5,
          "rss_mib": 19.16,
          "cpu_ms": 9.0,
          "bytes": 442880
        },
        "rustc -O2": {
          "wall_ms": 8.9,
          "best_ms": 8.8,
          "rss_mib": 19.16,
          "cpu_ms": 6.8,
          "bytes": 443072
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        "rustc -O3": {
          "wall_ms": 9.0,
          "best_ms": 8.4,
          "rss_mib": 19.16,
          "cpu_ms": 6.9,
          "bytes": 443072
        },
        "swiftc -O": {
          "wall_ms": 14.0,
          "best_ms": 13.7,
          "rss_mib": 41.27,
          "cpu_ms": 11.7,
          "bytes": 51712
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      }
    },
    {
      "name": "file_roundtrip",
      "desc_zh": "文件写入与读取 (32×512KiB)",
      "desc_en": "File roundtrip IO",
      "category": "string",
      "xu_wall_ms": 23.9,
      "xu_best_ms": 20.8,
      "xu_rss_mib": 3.7,
      "xu_bytes": 65984,
      "c_wall_ms": 18.7,
      "rust_wall_ms": 17.5,
      "go_wall_ms": 18.4,
      "swift_wall_ms": 20.8,
      "ratio_vs_c": 1.28,
      "ratio_vs_rust": 1.37,
      "ratio_vs_go": 1.3,
      "ratio_vs_swift": 1.15,
      "implementations": {
        "Xu": {
          "wall_ms": 23.9,
          "best_ms": 20.8,
          "rss_mib": 3.7,
          "cpu_ms": 15.3,
          "bytes": 65984
        },
        "go build": {
          "wall_ms": 18.4,
          "best_ms": 16.3,
          "rss_mib": 9.47,
          "cpu_ms": 11.7,
          "bytes": 2493634
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        "clang -O1": {
          "wall_ms": 16.0,
          "best_ms": 13.2,
          "rss_mib": 2.61,
          "cpu_ms": 7.4,
          "bytes": 33776
        },
        "clang -O2": {
          "wall_ms": 19.1,
          "best_ms": 14.5,
          "rss_mib": 2.62,
          "cpu_ms": 7.3,
          "bytes": 33776
        },
        "clang -O3": {
          "wall_ms": 18.7,
          "best_ms": 14.1,
          "rss_mib": 2.62,
          "cpu_ms": 7.3,
          "bytes": 33776
        },
        "rustc -O1": {
          "wall_ms": 18.4,
          "best_ms": 16.6,
          "rss_mib": 2.78,
          "cpu_ms": 7.8,
          "bytes": 460840
        },
        "rustc -O2": {
          "wall_ms": 19.5,
          "best_ms": 17.7,
          "rss_mib": 3.31,
          "cpu_ms": 7.8,
          "bytes": 460712
        },
        "rustc -O3": {
          "wall_ms": 17.5,
          "best_ms": 13.5,
          "rss_mib": 3.3,
          "cpu_ms": 8.1,
          "bytes": 460712
        },
        "swiftc -O": {
          "wall_ms": 20.8,
          "best_ms": 16.1,
          "rss_mib": 6.84,
          "cpu_ms": 9.8,
          "bytes": 54512
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      }
    },
    {
      "name": "sort_lcg",
      "desc_zh": "标准库快速排序",
      "desc_en": "Stdlib sort (LCG data)",
      "category": "algo",
      "xu_wall_ms": 7.6,
      "xu_best_ms": 7.1,
      "xu_rss_mib": 2.67,
      "xu_bytes": 98816,
      "c_wall_ms": 11.5,
      "rust_wall_ms": 5.0,
      "go_wall_ms": 11.5,
      "swift_wall_ms": 10.6,
      "ratio_vs_c": 0.66,
      "ratio_vs_rust": 1.52,
      "ratio_vs_go": 0.66,
      "ratio_vs_swift": 0.72,
      "implementations": {
        "Xu": {
          "wall_ms": 7.6,
          "best_ms": 7.1,
          "rss_mib": 2.67,
          "cpu_ms": 5.7,
          "bytes": 98816
        },
        "go build": {
          "wall_ms": 11.5,
          "best_ms": 11.0,
          "rss_mib": 8.7,
          "cpu_ms": 10.0,
          "bytes": 2494050
        },
        "clang -O1": {
          "wall_ms": 11.5,
          "best_ms": 11.1,
          "rss_mib": 2.34,
          "cpu_ms": 9.7,
          "bytes": 33584
        },
        "clang -O2": {
          "wall_ms": 11.5,
          "best_ms": 11.3,
          "rss_mib": 2.36,
          "cpu_ms": 9.6,
          "bytes": 33584
        },
        "clang -O3": {
          "wall_ms": 11.5,
          "best_ms": 11.2,
          "rss_mib": 2.36,
          "cpu_ms": 9.7,
          "bytes": 33584
        },
        "rustc -O1": {
          "wall_ms": 5.2,
          "best_ms": 4.8,
          "rss_mib": 2.62,
          "cpu_ms": 3.4,
          "bytes": 459936
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        "rustc -O2": {
          "wall_ms": 5.2,
          "best_ms": 5.0,
          "rss_mib": 2.62,
          "cpu_ms": 3.5,
          "bytes": 460016
        },
        "rustc -O3": {
          "wall_ms": 5.0,
          "best_ms": 4.8,
          "rss_mib": 2.62,
          "cpu_ms": 3.4,
          "bytes": 460016
        },
        "swiftc -O": {
          "wall_ms": 10.6,
          "best_ms": 10.0,
          "rss_mib": 4.62,
          "cpu_ms": 8.5,
          "bytes": 53312
        }
      }
    },
    {
      "name": "algorithm_search",
      "desc_zh": "标准库二分查找",
      "desc_en": "Stdlib binary search",
      "category": "algo",
      "xu_wall_ms": 196.6,
      "xu_best_ms": 194.9,
      "xu_rss_mib": 2.67,
      "xu_bytes": 98816,
      "c_wall_ms": 155.6,
      "rust_wall_ms": 175.5,
      "go_wall_ms": 240.5,
      "swift_wall_ms": 275.4,
      "ratio_vs_c": 1.26,
      "ratio_vs_rust": 1.12,
      "ratio_vs_go": 0.82,
      "ratio_vs_swift": 0.71,
      "implementations": {
        "Xu": {
          "wall_ms": 196.6,
          "best_ms": 194.9,
          "rss_mib": 2.67,
          "cpu_ms": 194.2,
          "bytes": 98816
        },
        "xu --no-opt": {
          "wall_ms": 223.5,
          "best_ms": 219.5,
          "rss_mib": 2.69,
          "cpu_ms": 219.8,
          "bytes": 98816
        },
        "go build": {
          "wall_ms": 240.5,
          "best_ms": 236.8,
          "rss_mib": 5.14,
          "cpu_ms": 238.3,
          "bytes": 2492626
        },
        "clang -O0": {
          "wall_ms": 346.7,
          "best_ms": 345.7,
          "rss_mib": 2.58,
          "cpu_ms": 343.8,
          "bytes": 33560
        },
        "clang -O1": {
          "wall_ms": 155.0,
          "best_ms": 152.9,
          "rss_mib": 2.59,
          "cpu_ms": 152.4,
          "bytes": 33528
        },
        "clang -O2": {
          "wall_ms": 157.6,
          "best_ms": 154.2,
          "rss_mib": 2.59,
          "cpu_ms": 155.0,
          "bytes": 33528
        },
        "clang -O3": {
          "wall_ms": 155.6,
          "best_ms": 152.8,
          "rss_mib": 2.59,
          "cpu_ms": 152.8,
          "bytes": 33528
        },
        "rustc -O0": {
          "wall_ms": 430.8,
          "best_ms": 427.6,
          "rss_mib": 2.77,
          "cpu_ms": 427.2,
          "bytes": 461944
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        "rustc -O1": {
          "wall_ms": 178.8,
          "best_ms": 174.2,
          "rss_mib": 2.78,
          "cpu_ms": 176.0,
          "bytes": 442904
        },
        "rustc -O2": {
          "wall_ms": 176.7,
          "best_ms": 171.5,
          "rss_mib": 2.78,
          "cpu_ms": 174.2,
          "bytes": 443080
        },
        "rustc -O3": {
          "wall_ms": 175.5,
          "best_ms": 171.6,
          "rss_mib": 2.78,
          "cpu_ms": 173.0,
          "bytes": 443080
        },
        "swiftc -Onone": {
          "wall_ms": 1052.4,
          "best_ms": 1046.0,
          "rss_mib": 2.92,
          "cpu_ms": 1045.1,
          "bytes": 52056
        },
        "swiftc -O": {
          "wall_ms": 275.4,
          "best_ms": 274.2,
          "rss_mib": 2.94,
          "cpu_ms": 272.7,
          "bytes": 51832
        }
      }
    },
    {
      "name": "math_bits",
      "desc_zh": "位运算与硬件指令",
      "desc_en": "Bitwise ops (hardware popcount/clz)",
      "category": "algo",
      "xu_wall_ms": 10.0,
      "xu_best_ms": 9.9,
      "xu_rss_mib": 1.45,
      "xu_bytes": 65984,
      "c_wall_ms": 10.3,
      "rust_wall_ms": 10.9,
      "go_wall_ms": 11.4,
      "swift_wall_ms": 15.8,
      "ratio_vs_c": 0.97,
      "ratio_vs_rust": 0.92,
      "ratio_vs_go": 0.88,
      "ratio_vs_swift": 0.63,
      "implementations": {
        "Xu": {
          "wall_ms": 10.0,
          "best_ms": 9.9,
          "rss_mib": 1.45,
          "cpu_ms": 8.4,
          "bytes": 65984
        },
        "xu --no-opt": {
          "wall_ms": 107.1,
          "best_ms": 105.6,
          "rss_mib": 1.45,
          "cpu_ms": 104.8,
          "bytes": 65984
        },
        "go build": {
          "wall_ms": 11.4,
          "best_ms": 11.3,
          "rss_mib": 4.09,
          "cpu_ms": 9.8,
          "bytes": 2492626
        },
        "clang -O0": {
          "wall_ms": 24.9,
          "best_ms": 24.3,
          "rss_mib": 1.59,
          "cpu_ms": 23.0,
          "bytes": 33440
        },
        "clang -O1": {
          "wall_ms": 10.2,
          "best_ms": 10.0,
          "rss_mib": 1.58,
          "cpu_ms": 8.6,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 10.4,
          "best_ms": 10.1,
          "rss_mib": 1.59,
          "cpu_ms": 8.7,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 10.3,
          "best_ms": 10.0,
          "rss_mib": 1.58,
          "cpu_ms": 8.5,
          "bytes": 33440
        },
        "rustc -O0": {
          "wall_ms": 54.7,
          "best_ms": 54.2,
          "rss_mib": 1.73,
          "cpu_ms": 52.6,
          "bytes": 444160
        },
        "rustc -O1": {
          "wall_ms": 10.7,
          "best_ms": 10.6,
          "rss_mib": 1.78,
          "cpu_ms": 8.9,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 10.7,
          "best_ms": 10.1,
          "rss_mib": 1.77,
          "cpu_ms": 8.9,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 10.9,
          "best_ms": 10.6,
          "rss_mib": 1.78,
          "cpu_ms": 8.9,
          "bytes": 442768
        },
        "swiftc -Onone": {
          "wall_ms": 1183.1,
          "best_ms": 1179.9,
          "rss_mib": 2.0,
          "cpu_ms": 1177.3,
          "bytes": 52784
        },
        "swiftc -O": {
          "wall_ms": 15.8,
          "best_ms": 15.6,
          "rss_mib": 1.86,
          "cpu_ms": 14.0,
          "bytes": 50864
        }
      }
    },
    {
      "name": "sha256_chain",
      "desc_zh": "SHA-256 哈希链",
      "desc_en": "SHA-256 hash chain",
      "category": "crypto",
      "xu_wall_ms": 3.5,
      "xu_best_ms": 3.1,
      "xu_rss_mib": 1.72,
      "xu_bytes": 98816,
      "c_wall_ms": 5.1,
      "rust_wall_ms": 5.1,
      "go_wall_ms": 4.5,
      "swift_wall_ms": 6.6,
      "ratio_vs_c": 0.69,
      "ratio_vs_rust": 0.69,
      "ratio_vs_go": 0.78,
      "ratio_vs_swift": 0.53,
      "implementations": {
        "Xu": {
          "wall_ms": 3.5,
          "best_ms": 3.1,
          "rss_mib": 1.72,
          "cpu_ms": 1.9,
          "bytes": 98816
        },
        "go build": {
          "wall_ms": 4.5,
          "best_ms": 4.1,
          "rss_mib": 4.81,
          "cpu_ms": 2.9,
          "bytes": 2673314
        },
        "clang -O1": {
          "wall_ms": 5.0,
          "best_ms": 4.7,
          "rss_mib": 1.72,
          "cpu_ms": 3.2,
          "bytes": 33824
        },
        "clang -O2": {
          "wall_ms": 5.1,
          "best_ms": 4.8,
          "rss_mib": 1.73,
          "cpu_ms": 3.3,
          "bytes": 33824
        },
        "clang -O3": {
          "wall_ms": 5.1,
          "best_ms": 4.7,
          "rss_mib": 1.72,
          "cpu_ms": 3.3,
          "bytes": 33824
        },
        "rustc -O1": {
          "wall_ms": 5.7,
          "best_ms": 5.3,
          "rss_mib": 1.98,
          "cpu_ms": 3.7,
          "bytes": 443104
        },
        "rustc -O2": {
          "wall_ms": 5.2,
          "best_ms": 5.0,
          "rss_mib": 1.98,
          "cpu_ms": 3.6,
          "bytes": 459392
        },
        "rustc -O3": {
          "wall_ms": 5.1,
          "best_ms": 4.8,
          "rss_mib": 1.97,
          "cpu_ms": 3.5,
          "bytes": 459392
        },
        "swiftc -O": {
          "wall_ms": 6.6,
          "best_ms": 5.9,
          "rss_mib": 6.19,
          "cpu_ms": 4.5,
          "bytes": 61504
        }
      }
    },
    {
      "name": "chan_ping",
      "desc_zh": "Channel 协程流水线",
      "desc_en": "Channel / Coroutine pipeline",
      "category": "concurrency",
      "xu_wall_ms": 22.1,
      "xu_best_ms": 21.8,
      "xu_rss_mib": 1.48,
      "xu_bytes": 49808,
      "c_wall_ms": null,
      "rust_wall_ms": 34.3,
      "go_wall_ms": 21.7,
      "swift_wall_ms": null,
      "ratio_vs_c": null,
      "ratio_vs_rust": 0.64,
      "ratio_vs_go": 1.02,
      "ratio_vs_swift": null,
      "implementations": {
        "Xu": {
          "wall_ms": 22.1,
          "best_ms": 21.8,
          "rss_mib": 1.48,
          "cpu_ms": 20.4,
          "bytes": 49808
        },
        "go build": {
          "wall_ms": 21.7,
          "best_ms": 21.3,
          "rss_mib": 4.25,
          "cpu_ms": 27.8,
          "bytes": 2492514
        },
        "rustc -O1": {
          "wall_ms": 32.0,
          "best_ms": 29.8,
          "rss_mib": 1.88,
          "cpu_ms": 36.1,
          "bytes": 518496
        },
        "rustc -O2": {
          "wall_ms": 34.5,
          "best_ms": 33.4,
          "rss_mib": 1.88,
          "cpu_ms": 37.0,
          "bytes": 536944
        },
        "rustc -O3": {
          "wall_ms": 34.3,
          "best_ms": 32.5,
          "rss_mib": 1.86,
          "cpu_ms": 37.6,
          "bytes": 536816
        }
      }
    },
    {
      "name": "map_ops",
      "desc_zh": "哈希表高频读写",
      "desc_en": "Hash map insert / lookup",
      "category": "data",
      "xu_wall_ms": 22.2,
      "xu_best_ms": 21.5,
      "xu_rss_mib": 14.39,
      "xu_bytes": 82400,
      "c_wall_ms": 6.6,
      "rust_wall_ms": 11.3,
      "go_wall_ms": 14.3,
      "swift_wall_ms": 22.3,
      "ratio_vs_c": 3.36,
      "ratio_vs_rust": 1.96,
      "ratio_vs_go": 1.55,
      "ratio_vs_swift": 1.0,
      "implementations": {
        "Xu": {
          "wall_ms": 22.2,
          "best_ms": 21.5,
          "rss_mib": 14.39,
          "cpu_ms": 20.3,
          "bytes": 82400
        },
        "go build": {
          "wall_ms": 14.3,
          "best_ms": 13.6,
          "rss_mib": 10.95,
          "cpu_ms": 13.3,
          "bytes": 2492578
        },
        "clang -O1": {
          "wall_ms": 6.6,
          "best_ms": 6.1,
          "rss_mib": 17.8,
          "cpu_ms": 4.6,
          "bytes": 33552
        },
        "clang -O2": {
          "wall_ms": 6.8,
          "best_ms": 6.6,
          "rss_mib": 17.8,
          "cpu_ms": 4.7,
          "bytes": 33552
        },
        "clang -O3": {
          "wall_ms": 6.6,
          "best_ms": 6.3,
          "rss_mib": 17.84,
          "cpu_ms": 4.6,
          "bytes": 33552
        },
        "rustc -O1": {
          "wall_ms": 17.9,
          "best_ms": 17.2,
          "rss_mib": 10.45,
          "cpu_ms": 16.0,
          "bytes": 461216
        },
        "rustc -O2": {
          "wall_ms": 18.2,
          "best_ms": 17.2,
          "rss_mib": 10.45,
          "cpu_ms": 16.5,
          "bytes": 461088
        },
        "rustc -O3": {
          "wall_ms": 11.3,
          "best_ms": 11.1,
          "rss_mib": 10.45,
          "cpu_ms": 9.5,
          "bytes": 461024
        },
        "swiftc -O": {
          "wall_ms": 22.3,
          "best_ms": 20.5,
          "rss_mib": 18.31,
          "cpu_ms": 19.9,
          "bytes": 52976
        }
      }
    },
    {
      "name": "iface_sum",
      "desc_zh": "接口动态派发",
      "desc_en": "Interface dynamic dispatch",
      "category": "control",
      "xu_wall_ms": 45.9,
      "xu_best_ms": 45.4,
      "xu_rss_mib": 1.45,
      "xu_bytes": 49568,
      "c_wall_ms": 18.1,
      "rust_wall_ms": 18.6,
      "go_wall_ms": 22.7,
      "swift_wall_ms": 44.7,
      "ratio_vs_c": 2.54,
      "ratio_vs_rust": 2.47,
      "ratio_vs_go": 2.02,
      "ratio_vs_swift": 1.03,
      "implementations": {
        "Xu": {
          "wall_ms": 45.9,
          "best_ms": 45.4,
          "rss_mib": 1.45,
          "cpu_ms": 43.8,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 22.7,
          "best_ms": 22.5,
          "rss_mib": 4.16,
          "cpu_ms": 21.1,
          "bytes": 2492818
        },
        "clang -O1": {
          "wall_ms": 17.8,
          "best_ms": 17.6,
          "rss_mib": 1.58,
          "cpu_ms": 16.0,
          "bytes": 33616
        },
        "clang -O2": {
          "wall_ms": 18.0,
          "best_ms": 17.8,
          "rss_mib": 1.59,
          "cpu_ms": 16.1,
          "bytes": 33616
        },
        "clang -O3": {
          "wall_ms": 18.1,
          "best_ms": 17.4,
          "rss_mib": 1.59,
          "cpu_ms": 16.1,
          "bytes": 33616
        },
        "rustc -O1": {
          "wall_ms": 18.4,
          "best_ms": 18.1,
          "rss_mib": 1.77,
          "cpu_ms": 16.5,
          "bytes": 442960
        },
        "rustc -O2": {
          "wall_ms": 18.4,
          "best_ms": 18.0,
          "rss_mib": 1.77,
          "cpu_ms": 16.6,
          "bytes": 442960
        },
        "rustc -O3": {
          "wall_ms": 18.6,
          "best_ms": 18.4,
          "rss_mib": 1.78,
          "cpu_ms": 16.8,
          "bytes": 442960
        },
        "swiftc -O": {
          "wall_ms": 44.7,
          "best_ms": 44.4,
          "rss_mib": 1.92,
          "cpu_ms": 42.4,
          "bytes": 53232
        }
      }
    },
    {
      "name": "match_sum",
      "desc_zh": "密集模式匹配",
      "desc_en": "Dense pattern match / switch",
      "category": "control",
      "xu_wall_ms": 20.3,
      "xu_best_ms": 20.1,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 16.0,
      "rust_wall_ms": 16.3,
      "go_wall_ms": 42.7,
      "swift_wall_ms": 37.8,
      "ratio_vs_c": 1.27,
      "ratio_vs_rust": 1.25,
      "ratio_vs_go": 0.48,
      "ratio_vs_swift": 0.54,
      "implementations": {
        "Xu": {
          "wall_ms": 20.3,
          "best_ms": 20.1,
          "rss_mib": 1.45,
          "cpu_ms": 18.4,
          "bytes": 33152
        },
        "xu --no-opt": {
          "wall_ms": 361.5,
          "best_ms": 359.3,
          "rss_mib": 1.45,
          "cpu_ms": 358.0,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 42.7,
          "best_ms": 42.2,
          "rss_mib": 4.2,
          "cpu_ms": 41.1,
          "bytes": 2492450
        },
        "clang -O0": {
          "wall_ms": 74.2,
          "best_ms": 73.9,
          "rss_mib": 1.59,
          "cpu_ms": 72.1,
          "bytes": 33440
        },
        "clang -O1": {
          "wall_ms": 16.0,
          "best_ms": 15.5,
          "rss_mib": 1.59,
          "cpu_ms": 14.2,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 16.5,
          "best_ms": 16.0,
          "rss_mib": 1.59,
          "cpu_ms": 14.4,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 16.0,
          "best_ms": 15.8,
          "rss_mib": 1.58,
          "cpu_ms": 14.2,
          "bytes": 33440
        },
        "rustc -O0": {
          "wall_ms": 90.1,
          "best_ms": 89.5,
          "rss_mib": 1.75,
          "cpu_ms": 88.2,
          "bytes": 443520
        },
        "rustc -O1": {
          "wall_ms": 16.5,
          "best_ms": 16.1,
          "rss_mib": 1.78,
          "cpu_ms": 14.6,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 16.3,
          "best_ms": 16.0,
          "rss_mib": 1.77,
          "cpu_ms": 14.5,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 16.3,
          "best_ms": 16.2,
          "rss_mib": 1.77,
          "cpu_ms": 14.5,
          "bytes": 442768
        },
        "swiftc -Onone": {
          "wall_ms": 650.0,
          "best_ms": 647.5,
          "rss_mib": 1.88,
          "cpu_ms": 645.8,
          "bytes": 34512
        },
        "swiftc -O": {
          "wall_ms": 37.8,
          "best_ms": 37.6,
          "rss_mib": 1.89,
          "cpu_ms": 35.5,
          "bytes": 50848
        }
      }
    },
    {
      "name": "fn_val_sum",
      "desc_zh": "函数值一等公民调用",
      "desc_en": "First-class function call",
      "category": "control",
      "xu_wall_ms": 5.0,
      "xu_best_ms": 4.6,
      "xu_rss_mib": 1.45,
      "xu_bytes": 33152,
      "c_wall_ms": 4.8,
      "rust_wall_ms": 5.4,
      "go_wall_ms": 10.1,
      "swift_wall_ms": 32.9,
      "ratio_vs_c": 1.04,
      "ratio_vs_rust": 0.93,
      "ratio_vs_go": 0.5,
      "ratio_vs_swift": 0.15,
      "implementations": {
        "Xu": {
          "wall_ms": 5.0,
          "best_ms": 4.6,
          "rss_mib": 1.45,
          "cpu_ms": 3.2,
          "bytes": 33152
        },
        "go build": {
          "wall_ms": 10.1,
          "best_ms": 9.7,
          "rss_mib": 4.14,
          "cpu_ms": 8.2,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 9.0,
          "best_ms": 8.2,
          "rss_mib": 1.58,
          "cpu_ms": 7.2,
          "bytes": 33440
        },
        "clang -O2": {
          "wall_ms": 4.9,
          "best_ms": 4.7,
          "rss_mib": 1.59,
          "cpu_ms": 3.2,
          "bytes": 33440
        },
        "clang -O3": {
          "wall_ms": 4.8,
          "best_ms": 4.4,
          "rss_mib": 1.58,
          "cpu_ms": 3.1,
          "bytes": 33440
        },
        "rustc -O1": {
          "wall_ms": 9.3,
          "best_ms": 8.9,
          "rss_mib": 1.77,
          "cpu_ms": 7.4,
          "bytes": 442768
        },
        "rustc -O2": {
          "wall_ms": 5.1,
          "best_ms": 4.9,
          "rss_mib": 1.78,
          "cpu_ms": 3.4,
          "bytes": 442768
        },
        "rustc -O3": {
          "wall_ms": 5.4,
          "best_ms": 5.2,
          "rss_mib": 1.78,
          "cpu_ms": 3.6,
          "bytes": 442768
        },
        "swiftc -O": {
          "wall_ms": 32.9,
          "best_ms": 32.6,
          "rss_mib": 1.88,
          "cpu_ms": 30.7,
          "bytes": 51072
        }
      }
    },
    {
      "name": "copy_bytes",
      "desc_zh": "块内存拷贝",
      "desc_en": "Block memory copy (load/store)",
      "category": "data",
      "xu_wall_ms": 7.9,
      "xu_best_ms": 7.5,
      "xu_rss_mib": 17.45,
      "xu_bytes": 49568,
      "c_wall_ms": 25.0,
      "rust_wall_ms": 24.7,
      "go_wall_ms": 37.5,
      "swift_wall_ms": 174.3,
      "ratio_vs_c": 0.32,
      "ratio_vs_rust": 0.32,
      "ratio_vs_go": 0.21,
      "ratio_vs_swift": 0.05,
      "implementations": {
        "Xu": {
          "wall_ms": 7.9,
          "best_ms": 7.5,
          "rss_mib": 17.45,
          "cpu_ms": 6.0,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 37.5,
          "best_ms": 36.4,
          "rss_mib": 20.98,
          "cpu_ms": 35.7,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 27.1,
          "best_ms": 20.5,
          "rss_mib": 17.61,
          "cpu_ms": 24.9,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 25.9,
          "best_ms": 23.7,
          "rss_mib": 17.61,
          "cpu_ms": 23.8,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 25.0,
          "best_ms": 22.5,
          "rss_mib": 17.61,
          "cpu_ms": 23.0,
          "bytes": 33568
        },
        "rustc -O1": {
          "wall_ms": 57.3,
          "best_ms": 56.9,
          "rss_mib": 17.81,
          "cpu_ms": 55.0,
          "bytes": 442800
        },
        "rustc -O2": {
          "wall_ms": 25.3,
          "best_ms": 24.2,
          "rss_mib": 17.8,
          "cpu_ms": 23.2,
          "bytes": 442800
        },
        "rustc -O3": {
          "wall_ms": 24.7,
          "best_ms": 19.8,
          "rss_mib": 17.8,
          "cpu_ms": 22.6,
          "bytes": 442800
        },
        "swiftc -O": {
          "wall_ms": 174.3,
          "best_ms": 173.2,
          "rss_mib": 17.92,
          "cpu_ms": 170.7,
          "bytes": 52048
        }
      }
    },
    {
      "name": "sroa_vec3",
      "desc_zh": "三维向量字段归约 (SROA)",
      "desc_en": "3D vector SROA reduction",
      "category": "algo",
      "xu_wall_ms": 8.5,
      "xu_best_ms": 8.3,
      "xu_rss_mib": 1.47,
      "xu_bytes": 49568,
      "c_wall_ms": 13.5,
      "rust_wall_ms": 13.9,
      "go_wall_ms": 14.5,
      "swift_wall_ms": 14.6,
      "ratio_vs_c": 0.63,
      "ratio_vs_rust": 0.61,
      "ratio_vs_go": 0.59,
      "ratio_vs_swift": 0.58,
      "implementations": {
        "Xu": {
          "wall_ms": 8.5,
          "best_ms": 8.3,
          "rss_mib": 1.47,
          "cpu_ms": 6.9,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 14.5,
          "best_ms": 14.1,
          "rss_mib": 4.12,
          "cpu_ms": 12.8,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 13.5,
          "best_ms": 13.4,
          "rss_mib": 1.59,
          "cpu_ms": 11.8,
          "bytes": 33616
        },
        "clang -O2": {
          "wall_ms": 13.6,
          "best_ms": 13.4,
          "rss_mib": 1.59,
          "cpu_ms": 11.7,
          "bytes": 33616
        },
        "clang -O3": {
          "wall_ms": 13.5,
          "best_ms": 13.3,
          "rss_mib": 1.59,
          "cpu_ms": 11.7,
          "bytes": 33616
        },
        "rustc -O1": {
          "wall_ms": 14.3,
          "best_ms": 13.8,
          "rss_mib": 1.8,
          "cpu_ms": 12.3,
          "bytes": 442880
        },
        "rustc -O2": {
          "wall_ms": 13.7,
          "best_ms": 13.6,
          "rss_mib": 1.8,
          "cpu_ms": 12.0,
          "bytes": 443072
        },
        "rustc -O3": {
          "wall_ms": 13.9,
          "best_ms": 13.6,
          "rss_mib": 1.81,
          "cpu_ms": 12.1,
          "bytes": 443072
        },
        "swiftc -O": {
          "wall_ms": 14.6,
          "best_ms": 14.6,
          "rss_mib": 1.94,
          "cpu_ms": 12.5,
          "bytes": 53200
        }
      }
    },
    {
      "name": "scan_dep",
      "desc_zh": "进位依赖链 prefix-add",
      "desc_en": "Carry dependency chain",
      "category": "algo",
      "xu_wall_ms": 57.4,
      "xu_best_ms": 56.9,
      "xu_rss_mib": 1.47,
      "xu_bytes": 49568,
      "c_wall_ms": 56.9,
      "rust_wall_ms": 57.3,
      "go_wall_ms": 209.3,
      "swift_wall_ms": 206.1,
      "ratio_vs_c": 1.01,
      "ratio_vs_rust": 1.0,
      "ratio_vs_go": 0.27,
      "ratio_vs_swift": 0.28,
      "implementations": {
        "Xu": {
          "wall_ms": 57.4,
          "best_ms": 56.9,
          "rss_mib": 1.47,
          "cpu_ms": 55.1,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 209.3,
          "best_ms": 207.9,
          "rss_mib": 4.23,
          "cpu_ms": 206.9,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 56.5,
          "best_ms": 55.7,
          "rss_mib": 1.61,
          "cpu_ms": 54.4,
          "bytes": 33520
        },
        "clang -O2": {
          "wall_ms": 56.4,
          "best_ms": 55.9,
          "rss_mib": 1.61,
          "cpu_ms": 54.6,
          "bytes": 33520
        },
        "clang -O3": {
          "wall_ms": 56.9,
          "best_ms": 56.3,
          "rss_mib": 1.59,
          "cpu_ms": 54.8,
          "bytes": 33520
        },
        "rustc -O1": {
          "wall_ms": 203.5,
          "best_ms": 202.8,
          "rss_mib": 1.8,
          "cpu_ms": 200.5,
          "bytes": 442800
        },
        "rustc -O2": {
          "wall_ms": 57.0,
          "best_ms": 56.2,
          "rss_mib": 1.81,
          "cpu_ms": 54.9,
          "bytes": 442800
        },
        "rustc -O3": {
          "wall_ms": 57.3,
          "best_ms": 56.3,
          "rss_mib": 1.81,
          "cpu_ms": 54.5,
          "bytes": 442800
        },
        "swiftc -O": {
          "wall_ms": 206.1,
          "best_ms": 205.7,
          "rss_mib": 1.92,
          "cpu_ms": 203.5,
          "bytes": 51936
        }
      }
    },
    {
      "name": "chase_index",
      "desc_zh": "数据依赖下标指针追逐",
      "desc_en": "Data-dependent index chasing",
      "category": "data",
      "xu_wall_ms": 114.2,
      "xu_best_ms": 113.5,
      "xu_rss_mib": 2.16,
      "xu_bytes": 49568,
      "c_wall_ms": 105.4,
      "rust_wall_ms": 108.3,
      "go_wall_ms": 106.2,
      "swift_wall_ms": 112.1,
      "ratio_vs_c": 1.08,
      "ratio_vs_rust": 1.05,
      "ratio_vs_go": 1.08,
      "ratio_vs_swift": 1.02,
      "implementations": {
        "Xu": {
          "wall_ms": 114.2,
          "best_ms": 113.5,
          "rss_mib": 2.16,
          "cpu_ms": 111.8,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 106.2,
          "best_ms": 105.4,
          "rss_mib": 4.69,
          "cpu_ms": 104.0,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 105.8,
          "best_ms": 104.6,
          "rss_mib": 2.09,
          "cpu_ms": 103.6,
          "bytes": 33520
        },
        "clang -O2": {
          "wall_ms": 104.8,
          "best_ms": 104.1,
          "rss_mib": 2.08,
          "cpu_ms": 102.6,
          "bytes": 33520
        },
        "clang -O3": {
          "wall_ms": 105.4,
          "best_ms": 104.0,
          "rss_mib": 2.09,
          "cpu_ms": 103.0,
          "bytes": 33520
        },
        "rustc -O1": {
          "wall_ms": 105.6,
          "best_ms": 104.1,
          "rss_mib": 2.28,
          "cpu_ms": 103.4,
          "bytes": 442800
        },
        "rustc -O2": {
          "wall_ms": 105.5,
          "best_ms": 104.8,
          "rss_mib": 2.28,
          "cpu_ms": 103.2,
          "bytes": 442800
        },
        "rustc -O3": {
          "wall_ms": 108.3,
          "best_ms": 104.5,
          "rss_mib": 2.3,
          "cpu_ms": 105.4,
          "bytes": 442800
        },
        "swiftc -O": {
          "wall_ms": 112.1,
          "best_ms": 110.4,
          "rss_mib": 2.39,
          "cpu_ms": 109.5,
          "bytes": 52000
        }
      }
    },
    {
      "name": "sieve_primes",
      "desc_zh": "埃氏素数筛法",
      "desc_en": "Sieve of Eratosthenes",
      "category": "algo",
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      "xu_best_ms": 9.4,
      "xu_rss_mib": 16.69,
      "xu_bytes": 49568,
      "c_wall_ms": 9.7,
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      "go_wall_ms": 12.6,
      "swift_wall_ms": 14.1,
      "ratio_vs_c": 1.03,
      "ratio_vs_rust": 0.74,
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          "best_ms": 9.4,
          "rss_mib": 16.69,
          "cpu_ms": 7.9,
          "bytes": 49568
        },
        "go build": {
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          "best_ms": 12.3,
          "rss_mib": 20.05,
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          "bytes": 2492626
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        "clang -O1": {
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          "best_ms": 10.0,
          "rss_mib": 16.86,
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          "bytes": 33584
        },
        "clang -O2": {
          "wall_ms": 9.7,
          "best_ms": 9.4,
          "rss_mib": 16.84,
          "cpu_ms": 7.7,
          "bytes": 33584
        },
        "clang -O3": {
          "wall_ms": 9.7,
          "best_ms": 9.3,
          "rss_mib": 16.84,
          "cpu_ms": 7.5,
          "bytes": 33584
        },
        "rustc -O1": {
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          "best_ms": 14.1,
          "rss_mib": 17.05,
          "cpu_ms": 12.7,
          "bytes": 442896
        },
        "rustc -O2": {
          "wall_ms": 13.6,
          "best_ms": 13.5,
          "rss_mib": 17.06,
          "cpu_ms": 11.8,
          "bytes": 443072
        },
        "rustc -O3": {
          "wall_ms": 13.5,
          "best_ms": 13.0,
          "rss_mib": 17.05,
          "cpu_ms": 11.7,
          "bytes": 443072
        },
        "swiftc -O": {
          "wall_ms": 14.1,
          "best_ms": 13.9,
          "rss_mib": 17.16,
          "cpu_ms": 12.1,
          "bytes": 51248
        }
      }
    },
    {
      "name": "crc32_iso",
      "desc_zh": "CRC32 校验和吞吐",
      "desc_en": "CRC32 stream checksum",
      "category": "crypto",
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      "xu_best_ms": 35.2,
      "xu_rss_mib": 2.66,
      "xu_bytes": 49568,
      "c_wall_ms": 19.7,
      "rust_wall_ms": 20.6,
      "go_wall_ms": 60.1,
      "swift_wall_ms": 20.9,
      "ratio_vs_c": 1.82,
      "ratio_vs_rust": 1.74,
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          "wall_ms": 35.8,
          "best_ms": 35.2,
          "rss_mib": 2.66,
          "cpu_ms": 34.0,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 60.1,
          "best_ms": 59.2,
          "rss_mib": 4.86,
          "cpu_ms": 58.4,
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        },
        "clang -O1": {
          "wall_ms": 19.8,
          "best_ms": 19.5,
          "rss_mib": 2.36,
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          "bytes": 33520
        },
        "clang -O2": {
          "wall_ms": 19.5,
          "best_ms": 19.3,
          "rss_mib": 2.36,
          "cpu_ms": 17.9,
          "bytes": 33520
        },
        "clang -O3": {
          "wall_ms": 19.7,
          "best_ms": 19.5,
          "rss_mib": 2.36,
          "cpu_ms": 18.1,
          "bytes": 33520
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        "rustc -O1": {
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          "cpu_ms": 18.4,
          "bytes": 442880
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        "rustc -O2": {
          "wall_ms": 20.6,
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          "cpu_ms": 18.7,
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        "rustc -O3": {
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          "best_ms": 20.1,
          "rss_mib": 2.56,
          "cpu_ms": 18.8,
          "bytes": 443072
        },
        "swiftc -O": {
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          "rss_mib": 2.67,
          "cpu_ms": 18.7,
          "bytes": 51328
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      }
    },
    {
      "name": "builder",
      "desc_zh": "字符串构建器动态扩容",
      "desc_en": "String builder dynamic capacity",
      "category": "string",
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      "xu_rss_mib": 1.92,
      "xu_bytes": 361488,
      "c_wall_ms": 3.0,
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      "swift_wall_ms": 5.6,
      "ratio_vs_c": 1.83,
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          "rss_mib": 1.92,
          "cpu_ms": 3.7,
          "bytes": 361488
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        "go build": {
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          "best_ms": 4.2,
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          "bytes": 2492770
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        "clang -O1": {
          "wall_ms": 3.4,
          "best_ms": 3.2,
          "rss_mib": 1.78,
          "cpu_ms": 1.8,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 3.3,
          "best_ms": 3.2,
          "rss_mib": 1.78,
          "cpu_ms": 1.8,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 3.0,
          "best_ms": 2.8,
          "rss_mib": 1.78,
          "cpu_ms": 1.7,
          "bytes": 33568
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        "rustc -O1": {
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          "rss_mib": 1.98,
          "cpu_ms": 2.2,
          "bytes": 443104
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        "rustc -O2": {
          "wall_ms": 3.8,
          "best_ms": 3.4,
          "rss_mib": 1.98,
          "cpu_ms": 2.1,
          "bytes": 442976
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        "rustc -O3": {
          "wall_ms": 3.8,
          "best_ms": 3.3,
          "rss_mib": 1.98,
          "cpu_ms": 2.1,
          "bytes": 442976
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        "swiftc -O": {
          "wall_ms": 5.6,
          "best_ms": 5.3,
          "rss_mib": 6.0,
          "cpu_ms": 3.7,
          "bytes": 52576
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      }
    },
    {
      "name": "byte_view",
      "desc_zh": "切片视图子串搜索",
      "desc_en": "String slice view & search",
      "category": "string",
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      "xu_best_ms": 3.0,
      "xu_rss_mib": 1.8,
      "xu_bytes": 361488,
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      "swift_wall_ms": 6.0,
      "ratio_vs_c": 1.1,
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      "implementations": {
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          "wall_ms": 3.3,
          "best_ms": 3.0,
          "rss_mib": 1.8,
          "cpu_ms": 1.8,
          "bytes": 361488
        },
        "go build": {
          "wall_ms": 4.2,
          "best_ms": 3.7,
          "rss_mib": 4.23,
          "cpu_ms": 2.6,
          "bytes": 2493058
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        "clang -O1": {
          "wall_ms": 3.2,
          "best_ms": 3.1,
          "rss_mib": 1.7,
          "cpu_ms": 1.6,
          "bytes": 33616
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        "clang -O2": {
          "wall_ms": 3.2,
          "best_ms": 3.0,
          "rss_mib": 1.7,
          "cpu_ms": 1.6,
          "bytes": 33616
        },
        "clang -O3": {
          "wall_ms": 3.0,
          "best_ms": 2.9,
          "rss_mib": 1.69,
          "cpu_ms": 1.6,
          "bytes": 33616
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        "rustc -O1": {
          "wall_ms": 3.5,
          "best_ms": 3.4,
          "rss_mib": 1.86,
          "cpu_ms": 2.0,
          "bytes": 442800
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        "rustc -O2": {
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          "rss_mib": 1.88,
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          "bytes": 442992
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        "rustc -O3": {
          "wall_ms": 3.6,
          "best_ms": 3.3,
          "rss_mib": 1.86,
          "cpu_ms": 2.1,
          "bytes": 442992
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        "swiftc -O": {
          "wall_ms": 6.0,
          "best_ms": 5.8,
          "rss_mib": 5.83,
          "cpu_ms": 3.9,
          "bytes": 53264
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      }
    },
    {
      "name": "strings_io",
      "desc_zh": "字符串综合切分拼接",
      "desc_en": "Strings IO (repeat/split/join)",
      "category": "string",
      "xu_wall_ms": 103.8,
      "xu_best_ms": 103.1,
      "xu_rss_mib": 1.72,
      "xu_bytes": 443808,
      "c_wall_ms": 49.4,
      "rust_wall_ms": 66.0,
      "go_wall_ms": 190.9,
      "swift_wall_ms": 2509.1,
      "ratio_vs_c": 2.1,
      "ratio_vs_rust": 1.57,
      "ratio_vs_go": 0.54,
      "ratio_vs_swift": 0.04,
      "implementations": {
        "Xu": {
          "wall_ms": 103.8,
          "best_ms": 103.1,
          "rss_mib": 1.72,
          "cpu_ms": 101.7,
          "bytes": 443808
        },
        "go build": {
          "wall_ms": 190.9,
          "best_ms": 190.0,
          "rss_mib": 9.84,
          "cpu_ms": 196.5,
          "bytes": 2510290
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        "clang -O1": {
          "wall_ms": 72.5,
          "best_ms": 72.2,
          "rss_mib": 1.66,
          "cpu_ms": 70.6,
          "bytes": 33952
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        "clang -O2": {
          "wall_ms": 49.2,
          "best_ms": 48.8,
          "rss_mib": 1.67,
          "cpu_ms": 47.4,
          "bytes": 33952
        },
        "clang -O3": {
          "wall_ms": 49.4,
          "best_ms": 49.2,
          "rss_mib": 1.67,
          "cpu_ms": 47.4,
          "bytes": 33952
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        "rustc -O1": {
          "wall_ms": 111.0,
          "best_ms": 110.5,
          "rss_mib": 2.0,
          "cpu_ms": 109.0,
          "bytes": 461344
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        "rustc -O2": {
          "wall_ms": 65.3,
          "best_ms": 64.2,
          "rss_mib": 2.0,
          "cpu_ms": 63.2,
          "bytes": 460096
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        "rustc -O3": {
          "wall_ms": 66.0,
          "best_ms": 64.9,
          "rss_mib": 2.02,
          "cpu_ms": 63.9,
          "bytes": 460096
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        "swiftc -O": {
          "wall_ms": 2509.1,
          "best_ms": 2494.9,
          "rss_mib": 6.45,
          "cpu_ms": 2492.7,
          "bytes": 54240
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      }
    },
    {
      "name": "string_count",
      "desc_zh": "短串字节匹配计数",
      "desc_en": "Short string byte counting",
      "category": "string",
      "xu_wall_ms": 47.7,
      "xu_best_ms": 47.2,
      "xu_rss_mib": 1.48,
      "xu_bytes": 361488,
      "c_wall_ms": 18.2,
      "rust_wall_ms": 17.4,
      "go_wall_ms": 21.3,
      "swift_wall_ms": 53.1,
      "ratio_vs_c": 2.62,
      "ratio_vs_rust": 2.74,
      "ratio_vs_go": 2.24,
      "ratio_vs_swift": 0.9,
      "implementations": {
        "Xu": {
          "wall_ms": 47.7,
          "best_ms": 47.2,
          "rss_mib": 1.48,
          "cpu_ms": 45.9,
          "bytes": 361488
        },
        "go build": {
          "wall_ms": 21.3,
          "best_ms": 21.1,
          "rss_mib": 4.09,
          "cpu_ms": 19.8,
          "bytes": 2492818
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        "clang -O1": {
          "wall_ms": 16.8,
          "best_ms": 16.6,
          "rss_mib": 1.59,
          "cpu_ms": 15.1,
          "bytes": 33648
        },
        "clang -O2": {
          "wall_ms": 18.0,
          "best_ms": 17.7,
          "rss_mib": 1.59,
          "cpu_ms": 16.2,
          "bytes": 33648
        },
        "clang -O3": {
          "wall_ms": 18.2,
          "best_ms": 18.0,
          "rss_mib": 1.58,
          "cpu_ms": 16.5,
          "bytes": 33648
        },
        "rustc -O1": {
          "wall_ms": 18.5,
          "best_ms": 17.7,
          "rss_mib": 1.75,
          "cpu_ms": 16.7,
          "bytes": 460784
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        "rustc -O2": {
          "wall_ms": 17.4,
          "best_ms": 17.2,
          "rss_mib": 1.75,
          "cpu_ms": 15.8,
          "bytes": 460640
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        "rustc -O3": {
          "wall_ms": 17.4,
          "best_ms": 17.2,
          "rss_mib": 1.77,
          "cpu_ms": 15.8,
          "bytes": 460640
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        "swiftc -O": {
          "wall_ms": 53.1,
          "best_ms": 52.4,
          "rss_mib": 5.62,
          "cpu_ms": 50.7,
          "bytes": 54032
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      }
    },
    {
      "name": "heap_priority",
      "desc_zh": "二叉堆优先队列",
      "desc_en": "Binary heap priority queue",
      "category": "data",
      "xu_wall_ms": 56.6,
      "xu_best_ms": 55.9,
      "xu_rss_mib": 3.69,
      "xu_bytes": 82400,
      "c_wall_ms": 18.9,
      "rust_wall_ms": 20.1,
      "go_wall_ms": 66.2,
      "swift_wall_ms": 27.0,
      "ratio_vs_c": 2.99,
      "ratio_vs_rust": 2.82,
      "ratio_vs_go": 0.85,
      "ratio_vs_swift": 2.1,
      "implementations": {
        "Xu": {
          "wall_ms": 56.6,
          "best_ms": 55.9,
          "rss_mib": 3.69,
          "cpu_ms": 54.6,
          "bytes": 82400
        },
        "go build": {
          "wall_ms": 66.2,
          "best_ms": 65.0,
          "rss_mib": 12.25,
          "cpu_ms": 65.9,
          "bytes": 2493490
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        "clang -O1": {
          "wall_ms": 21.3,
          "best_ms": 20.9,
          "rss_mib": 3.22,
          "cpu_ms": 19.6,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 19.1,
          "best_ms": 18.7,
          "rss_mib": 3.2,
          "cpu_ms": 17.4,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 18.9,
          "best_ms": 18.7,
          "rss_mib": 3.2,
          "cpu_ms": 17.3,
          "bytes": 33568
        },
        "rustc -O1": {
          "wall_ms": 20.7,
          "best_ms": 20.3,
          "rss_mib": 3.38,
          "cpu_ms": 18.9,
          "bytes": 442896
        },
        "rustc -O2": {
          "wall_ms": 20.2,
          "best_ms": 19.7,
          "rss_mib": 3.38,
          "cpu_ms": 18.3,
          "bytes": 443072
        },
        "rustc -O3": {
          "wall_ms": 20.1,
          "best_ms": 19.8,
          "rss_mib": 3.38,
          "cpu_ms": 18.6,
          "bytes": 443072
        },
        "swiftc -O": {
          "wall_ms": 27.0,
          "best_ms": 26.2,
          "rss_mib": 10.23,
          "cpu_ms": 24.8,
          "bytes": 53904
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      }
    },
    {
      "name": "hex_codec",
      "desc_zh": "十六进制编解码流",
      "desc_en": "Hexadecimal codec stream",
      "category": "string",
      "xu_wall_ms": 22.8,
      "xu_best_ms": 22.7,
      "xu_rss_mib": 1.52,
      "xu_bytes": 377904,
      "c_wall_ms": 12.4,
      "rust_wall_ms": 12.5,
      "go_wall_ms": 38.1,
      "swift_wall_ms": 88.7,
      "ratio_vs_c": 1.84,
      "ratio_vs_rust": 1.82,
      "ratio_vs_go": 0.6,
      "ratio_vs_swift": 0.26,
      "implementations": {
        "Xu": {
          "wall_ms": 22.8,
          "best_ms": 22.7,
          "rss_mib": 1.52,
          "cpu_ms": 21.3,
          "bytes": 377904
        },
        "go build": {
          "wall_ms": 38.1,
          "best_ms": 37.3,
          "rss_mib": 10.19,
          "cpu_ms": 40.6,
          "bytes": 2509778
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        "clang -O1": {
          "wall_ms": 33.5,
          "best_ms": 33.4,
          "rss_mib": 1.59,
          "cpu_ms": 31.7,
          "bytes": 33552
        },
        "clang -O2": {
          "wall_ms": 12.7,
          "best_ms": 12.5,
          "rss_mib": 1.58,
          "cpu_ms": 11.0,
          "bytes": 33552
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        "clang -O3": {
          "wall_ms": 12.4,
          "best_ms": 12.3,
          "rss_mib": 1.59,
          "cpu_ms": 11.0,
          "bytes": 33552
        },
        "rustc -O1": {
          "wall_ms": 43.3,
          "best_ms": 43.1,
          "rss_mib": 1.73,
          "cpu_ms": 41.4,
          "bytes": 443056
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        "rustc -O2": {
          "wall_ms": 12.6,
          "best_ms": 12.4,
          "rss_mib": 1.75,
          "cpu_ms": 11.0,
          "bytes": 442800
        },
        "rustc -O3": {
          "wall_ms": 12.5,
          "best_ms": 12.4,
          "rss_mib": 1.77,
          "cpu_ms": 11.1,
          "bytes": 442800
        },
        "swiftc -O": {
          "wall_ms": 88.7,
          "best_ms": 88.6,
          "rss_mib": 5.64,
          "cpu_ms": 86.5,
          "bytes": 53680
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      }
    },
    {
      "name": "base64_codec",
      "desc_zh": "Base64 编解码流",
      "desc_en": "Base64 codec stream",
      "category": "string",
      "xu_wall_ms": 19.0,
      "xu_best_ms": 18.8,
      "xu_rss_mib": 1.55,
      "xu_bytes": 410736,
      "c_wall_ms": 12.2,
      "rust_wall_ms": 11.7,
      "go_wall_ms": 13.9,
      "swift_wall_ms": 13.7,
      "ratio_vs_c": 1.56,
      "ratio_vs_rust": 1.62,
      "ratio_vs_go": 1.37,
      "ratio_vs_swift": 1.39,
      "implementations": {
        "Xu": {
          "wall_ms": 19.0,
          "best_ms": 18.8,
          "rss_mib": 1.55,
          "cpu_ms": 17.4,
          "bytes": 410736
        },
        "go build": {
          "wall_ms": 13.9,
          "best_ms": 13.5,
          "rss_mib": 9.94,
          "cpu_ms": 14.0,
          "bytes": 2493634
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        "clang -O1": {
          "wall_ms": 14.2,
          "best_ms": 13.8,
          "rss_mib": 1.58,
          "cpu_ms": 12.5,
          "bytes": 33552
        },
        "clang -O2": {
          "wall_ms": 12.0,
          "best_ms": 11.9,
          "rss_mib": 1.58,
          "cpu_ms": 10.5,
          "bytes": 33552
        },
        "clang -O3": {
          "wall_ms": 12.2,
          "best_ms": 12.0,
          "rss_mib": 1.59,
          "cpu_ms": 10.5,
          "bytes": 33552
        },
        "rustc -O1": {
          "wall_ms": 16.7,
          "best_ms": 16.5,
          "rss_mib": 1.75,
          "cpu_ms": 15.1,
          "bytes": 443056
        },
        "rustc -O2": {
          "wall_ms": 11.7,
          "best_ms": 11.5,
          "rss_mib": 1.77,
          "cpu_ms": 10.4,
          "bytes": 459312
        },
        "rustc -O3": {
          "wall_ms": 11.7,
          "best_ms": 11.2,
          "rss_mib": 1.77,
          "cpu_ms": 10.0,
          "bytes": 459312
        },
        "swiftc -O": {
          "wall_ms": 13.7,
          "best_ms": 13.5,
          "rss_mib": 5.73,
          "cpu_ms": 11.9,
          "bytes": 55424
        }
      }
    },
    {
      "name": "ring_buffer",
      "desc_zh": "双端环形缓冲区",
      "desc_en": "Ring buffer queue",
      "category": "data",
      "xu_wall_ms": 101.2,
      "xu_best_ms": 99.8,
      "xu_rss_mib": 1.52,
      "xu_bytes": 49568,
      "c_wall_ms": 51.7,
      "rust_wall_ms": 52.5,
      "go_wall_ms": 74.5,
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        "go build": {
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          "bytes": 2492530
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        "clang -O1": {
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        "clang -O2": {
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        "clang -O3": {
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        "rustc -O1": {
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        "rustc -O2": {
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        "rustc -O3": {
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        "swiftc -O": {
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      }
    },
    {
      "name": "md5_chain",
      "desc_zh": "MD5 散列计算链",
      "desc_en": "MD5 digest chain",
      "category": "crypto",
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      "xu_best_ms": 46.8,
      "xu_rss_mib": 1.48,
      "xu_bytes": 82400,
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          "bytes": 82400
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        "go build": {
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        "clang -O1": {
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        "clang -O2": {
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        "clang -O3": {
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        "rustc -O1": {
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        "rustc -O2": {
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        "rustc -O3": {
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        "swiftc -O": {
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      }
    },
    {
      "name": "quicksort_hoare",
      "desc_zh": "Hoare 双指针快排",
      "desc_en": "Hoare quicksort",
      "category": "algo",
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      "xu_best_ms": 68.7,
      "xu_rss_mib": 2.66,
      "xu_bytes": 49568,
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      "swift_wall_ms": 40.7,
      "ratio_vs_c": 1.94,
      "ratio_vs_rust": 1.94,
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          "best_ms": 68.7,
          "rss_mib": 2.66,
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          "bytes": 49568
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        "go build": {
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        "clang -O1": {
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          "best_ms": 34.5,
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        "clang -O2": {
          "wall_ms": 34.9,
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          "bytes": 33560
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        "clang -O3": {
          "wall_ms": 35.6,
          "best_ms": 34.4,
          "rss_mib": 2.34,
          "cpu_ms": 33.5,
          "bytes": 33560
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        "rustc -O1": {
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          "bytes": 442872
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        "rustc -O2": {
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        "rustc -O3": {
          "wall_ms": 35.6,
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          "bytes": 442888
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        "swiftc -O": {
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          "rss_mib": 6.47,
          "cpu_ms": 38.5,
          "bytes": 52856
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      }
    },
    {
      "name": "lru_cache",
      "desc_zh": "LRU 双向链表淘汰缓存",
      "desc_en": "LRU cache (hash + dll)",
      "category": "data",
      "xu_wall_ms": 61.0,
      "xu_best_ms": 60.6,
      "xu_rss_mib": 1.58,
      "xu_bytes": 49568,
      "c_wall_ms": 25.0,
      "rust_wall_ms": 27.1,
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      "swift_wall_ms": 42.0,
      "ratio_vs_c": 2.44,
      "ratio_vs_rust": 2.25,
      "ratio_vs_go": 1.61,
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          "wall_ms": 61.0,
          "best_ms": 60.6,
          "rss_mib": 1.58,
          "cpu_ms": 59.2,
          "bytes": 49568
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        "go build": {
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          "best_ms": 37.6,
          "rss_mib": 4.2,
          "cpu_ms": 36.3,
          "bytes": 2492514
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        "clang -O1": {
          "wall_ms": 25.2,
          "best_ms": 24.9,
          "rss_mib": 1.62,
          "cpu_ms": 23.5,
          "bytes": 33568
        },
        "clang -O2": {
          "wall_ms": 24.8,
          "best_ms": 24.6,
          "rss_mib": 1.62,
          "cpu_ms": 23.2,
          "bytes": 33568
        },
        "clang -O3": {
          "wall_ms": 25.0,
          "best_ms": 24.7,
          "rss_mib": 1.62,
          "cpu_ms": 23.3,
          "bytes": 33568
        },
        "rustc -O1": {
          "wall_ms": 27.6,
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          "bytes": 443056
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        "rustc -O2": {
          "wall_ms": 27.0,
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          "bytes": 443104
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        "rustc -O3": {
          "wall_ms": 27.1,
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          "rss_mib": 1.8,
          "cpu_ms": 25.1,
          "bytes": 443104
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        "swiftc -O": {
          "wall_ms": 42.0,
          "best_ms": 41.8,
          "rss_mib": 5.72,
          "cpu_ms": 39.9,
          "bytes": 57696
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      }
    },
    {
      "name": "bloom_filter",
      "desc_zh": "布隆过滤器位图查验",
      "desc_en": "Bloom filter bitmap",
      "category": "data",
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      "xu_best_ms": 48.7,
      "xu_rss_mib": 1.56,
      "xu_bytes": 49568,
      "c_wall_ms": 25.1,
      "rust_wall_ms": 26.2,
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      "swift_wall_ms": 34.0,
      "ratio_vs_c": 1.94,
      "ratio_vs_rust": 1.86,
      "ratio_vs_go": 1.4,
      "ratio_vs_swift": 1.44,
      "implementations": {
        "Xu": {
          "wall_ms": 48.8,
          "best_ms": 48.7,
          "rss_mib": 1.56,
          "cpu_ms": 47.2,
          "bytes": 49568
        },
        "go build": {
          "wall_ms": 34.8,
          "best_ms": 34.6,
          "rss_mib": 4.34,
          "cpu_ms": 33.2,
          "bytes": 2492450
        },
        "clang -O1": {
          "wall_ms": 26.3,
          "best_ms": 26.0,
          "rss_mib": 1.7,
          "cpu_ms": 24.7,
          "bytes": 33520
        },
        "clang -O2": {
          "wall_ms": 25.1,
          "best_ms": 24.9,
          "rss_mib": 1.7,
          "cpu_ms": 23.6,
          "bytes": 33520
        },
        "clang -O3": {
          "wall_ms": 25.1,
          "best_ms": 24.9,
          "rss_mib": 1.72,
          "cpu_ms": 23.6,
          "bytes": 33520
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        "rustc -O1": {
          "wall_ms": 27.7,
          "best_ms": 27.3,
          "rss_mib": 1.92,
          "cpu_ms": 25.8,
          "bytes": 442800
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        "rustc -O2": {
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          "rss_mib": 1.92,
          "cpu_ms": 24.2,
          "bytes": 442800
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        "rustc -O3": {
          "wall_ms": 26.2,
          "best_ms": 25.6,
          "rss_mib": 1.92,
          "cpu_ms": 24.4,
          "bytes": 442800
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        "swiftc -O": {
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          "rss_mib": 5.83,
          "cpu_ms": 32.0,
          "bytes": 54752
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      }
    },
    {
      "name": "aes128_encrypt",
      "desc_zh": "AES-128 软件加密",
      "desc_en": "AES-128 software encrypt",
      "category": "crypto",
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      "xu_best_ms": 5.4,
      "xu_rss_mib": 1.53,
      "xu_bytes": 246560,
      "c_wall_ms": 24.2,
      "rust_wall_ms": 29.1,
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      "swift_wall_ms": 50.8,
      "ratio_vs_c": 0.23,
      "ratio_vs_rust": 0.19,
      "ratio_vs_go": 0.12,
      "ratio_vs_swift": 0.11,
      "implementations": {
        "Xu": {
          "wall_ms": 5.6,
          "best_ms": 5.4,
          "rss_mib": 1.53,
          "cpu_ms": 4.0,
          "bytes": 246560
        },
        "xu --no-opt": {
          "wall_ms": 5.5,
          "best_ms": 5.5,
          "rss_mib": 1.53,
          "cpu_ms": 4.1,
          "bytes": 246560
        },
        "go build": {
          "wall_ms": 47.7,
          "best_ms": 46.9,
          "rss_mib": 10.08,
          "cpu_ms": 47.6,
          "bytes": 2509586
        },
        "clang -O0": {
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          "best_ms": 152.2,
          "rss_mib": 1.64,
          "cpu_ms": 150.6,
          "bytes": 34080
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        "clang -O1": {
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          "best_ms": 37.7,
          "rss_mib": 1.64,
          "cpu_ms": 36.1,
          "bytes": 33648
        },
        "clang -O2": {
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          "best_ms": 35.8,
          "rss_mib": 1.64,
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          "bytes": 33648
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        "clang -O3": {
          "wall_ms": 24.2,
          "best_ms": 23.2,
          "rss_mib": 1.64,
          "cpu_ms": 22.6,
          "bytes": 33648
        },
        "rustc -O0": {
          "wall_ms": 989.6,
          "best_ms": 988.5,
          "rss_mib": 1.86,
          "cpu_ms": 986.4,
          "bytes": 508488
        },
        "rustc -O1": {
          "wall_ms": 50.1,
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          "rss_mib": 1.83,
          "cpu_ms": 48.5,
          "bytes": 459640
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        "rustc -O2": {
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          "best_ms": 42.7,
          "rss_mib": 1.84,
          "cpu_ms": 41.1,
          "bytes": 460568
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        "rustc -O3": {
          "wall_ms": 29.1,
          "best_ms": 28.5,
          "rss_mib": 1.81,
          "cpu_ms": 27.3,
          "bytes": 460392
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        "swiftc -Onone": {
          "wall_ms": 5809.6,
          "best_ms": 5730.4,
          "rss_mib": 2.12,
          "cpu_ms": 5735.1,
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        },
        "swiftc -O": {
          "wall_ms": 50.8,
          "best_ms": 49.8,
          "rss_mib": 1.91,
          "cpu_ms": 48.4,
          "bytes": 55840
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      }
    },
    {
      "name": "aes128_decrypt",
      "desc_zh": "AES-128 软件解密",
      "desc_en": "AES-128 software decrypt",
      "category": "crypto",
      "xu_wall_ms": 5.8,
      "xu_best_ms": 5.6,
      "xu_rss_mib": 1.53,
      "xu_bytes": 246560,
      "c_wall_ms": 42.9,
      "rust_wall_ms": 47.2,
      "go_wall_ms": 62.2,
      "swift_wall_ms": 64.9,
      "ratio_vs_c": 0.14,
      "ratio_vs_rust": 0.12,
      "ratio_vs_go": 0.09,
      "ratio_vs_swift": 0.09,
      "implementations": {
        "Xu": {
          "wall_ms": 5.8,
          "best_ms": 5.6,
          "rss_mib": 1.53,
          "cpu_ms": 4.2,
          "bytes": 246560
        },
        "xu --no-opt": {
          "wall_ms": 5.9,
          "best_ms": 5.6,
          "rss_mib": 1.53,
          "cpu_ms": 4.3,
          "bytes": 246560
        },
        "go build": {
          "wall_ms": 62.2,
          "best_ms": 61.5,
          "rss_mib": 9.97,
          "cpu_ms": 62.1,
          "bytes": 2509586
        },
        "clang -O0": {
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          "best_ms": 262.4,
          "rss_mib": 1.62,
          "cpu_ms": 261.3,
          "bytes": 34080
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        "clang -O1": {
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          "best_ms": 49.3,
          "rss_mib": 1.64,
          "cpu_ms": 47.7,
          "bytes": 33648
        },
        "clang -O2": {
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          "best_ms": 45.5,
          "rss_mib": 1.64,
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          "bytes": 33648
        },
        "clang -O3": {
          "wall_ms": 42.9,
          "best_ms": 42.7,
          "rss_mib": 1.64,
          "cpu_ms": 40.9,
          "bytes": 33648
        },
        "rustc -O0": {
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          "best_ms": 1139.3,
          "rss_mib": 1.86,
          "cpu_ms": 1148.2,
          "bytes": 508488
        },
        "rustc -O1": {
          "wall_ms": 61.7,
          "best_ms": 61.1,
          "rss_mib": 1.83,
          "cpu_ms": 59.9,
          "bytes": 459640
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        "rustc -O2": {
          "wall_ms": 58.0,
          "best_ms": 57.2,
          "rss_mib": 1.84,
          "cpu_ms": 55.8,
          "bytes": 460568
        },
        "rustc -O3": {
          "wall_ms": 47.2,
          "best_ms": 46.9,
          "rss_mib": 1.81,
          "cpu_ms": 45.6,
          "bytes": 460392
        },
        "swiftc -Onone": {
          "wall_ms": 6044.3,
          "best_ms": 5975.2,
          "rss_mib": 2.11,
          "cpu_ms": 5980.9,
          "bytes": 75928
        },
        "swiftc -O": {
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          "best_ms": 64.6,
          "rss_mib": 1.92,
          "cpu_ms": 63.2,
          "bytes": 55840
        }
      }
    },
    {
      "name": "aes128_key_setup",
      "desc_zh": "AES-128 密钥扩展",
      "desc_en": "AES-128 key expansion",
      "category": "crypto",
      "xu_wall_ms": 35.2,
      "xu_best_ms": 34.9,
      "xu_rss_mib": 1.52,
      "xu_bytes": 230144,
      "c_wall_ms": 24.9,
      "rust_wall_ms": 22.9,
      "go_wall_ms": 33.0,
      "swift_wall_ms": 27.2,
      "ratio_vs_c": 1.41,
      "ratio_vs_rust": 1.54,
      "ratio_vs_go": 1.07,
      "ratio_vs_swift": 1.29,
      "implementations": {
        "Xu": {
          "wall_ms": 35.2,
          "best_ms": 34.9,
          "rss_mib": 1.52,
          "cpu_ms": 33.5,
          "bytes": 230144
        },
        "xu --no-opt": {
          "wall_ms": 35.0,
          "best_ms": 34.7,
          "rss_mib": 1.5,
          "cpu_ms": 33.5,
          "bytes": 246560
        },
        "go build": {
          "wall_ms": 33.0,
          "best_ms": 32.6,
          "rss_mib": 10.5,
          "cpu_ms": 37.6,
          "bytes": 2509586
        },
        "clang -O0": {
          "wall_ms": 68.9,
          "best_ms": 67.3,
          "rss_mib": 1.7,
          "cpu_ms": 66.5,
          "bytes": 34088
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        "clang -O1": {
          "wall_ms": 27.0,
          "best_ms": 26.7,
          "rss_mib": 1.84,
          "cpu_ms": 25.4,
          "bytes": 33576
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        "clang -O2": {
          "wall_ms": 24.8,
          "best_ms": 24.5,
          "rss_mib": 1.88,
          "cpu_ms": 23.2,
          "bytes": 33624
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        "clang -O3": {
          "wall_ms": 24.9,
          "best_ms": 24.3,
          "rss_mib": 1.81,
          "cpu_ms": 23.2,
          "bytes": 33624
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        "rustc -O0": {
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          "best_ms": 183.3,
          "rss_mib": 1.95,
          "cpu_ms": 182.9,
          "bytes": 508520
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        "rustc -O1": {
          "wall_ms": 27.7,
          "best_ms": 27.4,
          "rss_mib": 1.88,
          "cpu_ms": 25.8,
          "bytes": 459560
        },
        "rustc -O2": {
          "wall_ms": 26.7,
          "best_ms": 25.9,
          "rss_mib": 1.92,
          "cpu_ms": 24.2,
          "bytes": 460584
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        "rustc -O3": {
          "wall_ms": 22.9,
          "best_ms": 22.5,
          "rss_mib": 1.89,
          "cpu_ms": 21.0,
          "bytes": 460392
        },
        "swiftc -Onone": {
          "wall_ms": 828.2,
          "best_ms": 823.0,
          "rss_mib": 2.19,
          "cpu_ms": 823.9,
          "bytes": 76008
        },
        "swiftc -O": {
          "wall_ms": 27.2,
          "best_ms": 26.8,
          "rss_mib": 2.02,
          "cpu_ms": 25.3,
          "bytes": 55944
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      }
    },
    {
      "name": "aes192_encrypt",
      "desc_zh": "AES-192 软件加密",
      "desc_en": "AES-192 software encrypt",
      "category": "crypto",
      "xu_wall_ms": 5.6,
      "xu_best_ms": 5.5,
      "xu_rss_mib": 1.53,
      "xu_bytes": 246560,
      "c_wall_ms": 27.0,
      "rust_wall_ms": 32.2,
      "go_wall_ms": 55.5,
      "swift_wall_ms": 60.7,
      "ratio_vs_c": 0.21,
      "ratio_vs_rust": 0.17,
      "ratio_vs_go": 0.1,
      "ratio_vs_swift": 0.09,
      "implementations": {
        "Xu": {
          "wall_ms": 5.6,
          "best_ms": 5.5,
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          "cpu_ms": 4.3,
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      "name": "aes192_decrypt",
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      }
    },
    {
      "name": "aes192_key_setup",
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    },
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      "name": "aes256_encrypt",
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      "c_wall_ms": 28.6,
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        "swiftc -Onone": {
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        "swiftc -O": {
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    },
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      "name": "aes256_decrypt",
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      "desc_en": "AES-256 software decrypt",
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      "xu_best_ms": 5.8,
      "xu_rss_mib": 1.53,
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      "c_wall_ms": 56.0,
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      "swift_wall_ms": 82.4,
      "ratio_vs_c": 0.11,
      "ratio_vs_rust": 0.1,
      "ratio_vs_go": 0.07,
      "ratio_vs_swift": 0.07,
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      "name": "aes256_key_setup",
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}