{
  "version": 1,
  "captured": "2026-05-09",
  "captured_via": "bench/cross_lang.py",
  "note": "Cross-language wall-time baseline. Per-fixture: AILang at --alloc=rc, AILang at --alloc=bump, hand-C at clang -O2. Ratios rc/c and bump/c are the headline answer to CLAUDE.md's LLVM-linkable performance claim. The C reference uses malloc-and-leak to mirror AILang's implicit-mode RC; an explicit-mode + free() variant is queued.",
  "fixtures": {
    "bench_list_sum": {
      "ail_rc_s": {
        "baseline": 0.141597,
        "tolerance_pct": 15
      },
      "ail_bump_s": {
        "baseline": 0.048038,
        "tolerance_pct": 15
      },
      "c_s": {
        "baseline": 0.095312,
        "tolerance_pct": 15
      },
      "rc_over_c": {
        "baseline": 1.485614,
        "tolerance_pct": 12
      },
      "bump_over_c": {
        "baseline": 0.504003,
        "tolerance_pct": 12
      }
    },
    "bench_tree_walk": {
      "ail_rc_s": {
        "baseline": 0.097028,
        "tolerance_pct": 15
      },
      "ail_bump_s": {
        "baseline": 0.038905,
        "tolerance_pct": 15
      },
      "c_s": {
        "baseline": 0.037159,
        "tolerance_pct": 15
      },
      "rc_over_c": {
        "baseline": 2.611185,
        "tolerance_pct": 12
      },
      "bump_over_c": {
        "baseline": 1.046998,
        "tolerance_pct": 12
      }
    },
    "bench_compute_intsum": {
      "ail_rc_s": {
        "baseline": 0.00044,
        "tolerance_pct": 15
      },
      "ail_bump_s": {
        "baseline": 0.000393,
        "tolerance_pct": 15
      },
      "c_s": {
        "baseline": 0.000374,
        "tolerance_pct": 15
      },
      "rc_over_c": {
        "baseline": 1.177715,
        "tolerance_pct": 12
      },
      "bump_over_c": {
        "baseline": 1.050856,
        "tolerance_pct": 12
      }
    },
    "bench_compute_collatz": {
      "ail_rc_s": {
        "baseline": 0.056878,
        "tolerance_pct": 15
      },
      "ail_bump_s": {
        "baseline": 0.056547,
        "tolerance_pct": 15
      },
      "c_s": {
        "baseline": 0.05748,
        "tolerance_pct": 15
      },
      "rc_over_c": {
        "baseline": 0.989523,
        "tolerance_pct": 12
      },
      "bump_over_c": {
        "baseline": 0.983756,
        "tolerance_pct": 12
      }
    }
  }
}