{
  "measured_at": "2026-10-24T11:46:01.733Z",
  "references": {
    "target": "f3fa67b1445b8e8eeb23ae253fd3110044dc3624",
    "original": "6ee7ce1cc463a8ad55cbdf2aea8325e0eb0396e0",
    "integration": "09d2ebdb1f6d1571fded04ea917fb1935c4787e1"
  },
  "candidate_source_sha256": "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff",
  "environment": {
    "node": "v22.23.3",
    "v8": "12.4.254.21-node.57",
    "platform": "linux",
    "arch": "x64",
    "cpu": "12th Gen Intel(R) Core(TM) i9-12900K",
    "affinity_cpu": 23,
    "shared_host": true
  },
  "protocol": {
    "functions": 4000,
    "warmup_repetitions": 3,
    "pairs": 15,
    "sample_order": "baseline/candidate, then candidate/baseline, alternating",
    "parse": "once outside timing",
    "gc": "before each timed sample",
    "metric": "ratio of candidate and baseline sample medians minus one",
    "serialization": "outside timing",
    "target_percent": 5,
    "correctness_gates": ["legacy_equal", "functions_complete", "forwarding_complete"],
    "heap_diagnostic": "after-collection heap growth; not peak heap"
  },
  "comparisons": [
    {
      "baseline": "target",
      "kind": "selection",
      "iteration": 12,
      "final": true,
      "post_review_fix": true,
      "exit_code": 0,
      "blocks": [
        {
          "medians_ms": [926.980541, 939.893447],
          "time_overhead_pct": 1.393007234657806
        },
        {
          "medians_ms": [874.998572, 874.380178],
          "time_overhead_pct": -0.07067371533949762
        },
        {
          "medians_ms": [936.643365, 933.451269],
          "time_overhead_pct": -0.3408016454587326
        }
      ],
      "workload": "arguments",
      "pairs": 15,
      "time_overhead_pct": -1.1486265923677075,
      "serialized_overhead_pct": 26.995850628583984,
      "legacy_equal": 1,
      "functions_complete": 1,
      "forwarding_complete": 1,
      "samples_ms": [
        [
          991.636407, 926.980541, 1052.223997, 874.353997, 814.005086, 846.39417, 939.310542,
          968.675534, 850.55565, 874.998572, 924.263215, 816.897822, 936.643365, 960.946203,
          952.875645
        ],
        [
          939.893447, 835.342256, 1062.366743, 980.586552, 785.881103, 819.862887, 1108.397972,
          916.332996, 874.380178, 863.18481, 874.130014, 873.202115, 1027.155567, 1014.473391,
          933.451269
        ]
      ],
      "medians_ms": [926.980541, 916.332996],
      "bytes": [4030249, 5118249],
      "heap_growth_medians": [22076336, 21050152],
      "base_hash": "0ceb296402cd3a89e3d9141152bd56d9584a50634fe2b718cabb5ee0e9aeab15",
      "source_hashes": [
        "eb5449241b235c26ed92d6f629a89868d5b3612c47095f96d3eb20b474cb85aa",
        "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff"
      ]
    },
    {
      "baseline": "target",
      "kind": "holdout",
      "iteration": 12,
      "final": true,
      "post_review_fix": true,
      "exit_code": 0,
      "blocks": [
        {
          "medians_ms": [1282.768951, 1290.729238],
          "time_overhead_pct": 0.6205550106115565
        },
        {
          "medians_ms": [1417.752374, 1384.478543],
          "time_overhead_pct": -2.3469423582146653
        },
        {
          "medians_ms": [1383.63807, 1370.441898],
          "time_overhead_pct": -0.9537300458927089
        }
      ],
      "workload": "transitive",
      "pairs": 15,
      "time_overhead_pct": 3.8279811568370237,
      "serialized_overhead_pct": 37.40160977949929,
      "legacy_equal": 1,
      "functions_complete": 1,
      "forwarding_complete": 1,
      "samples_ms": [
        [
          1319.915771, 1288.475793, 1236.561698, 1282.768951, 1255.029194, 1430.325594, 1478.997302,
          1351.424832, 1317.151013, 1417.752374, 1394.826591, 1299.54403, 1287.726552, 1383.63807,
          1483.755553
        ],
        [
          1290.729238, 1222.891716, 1303.250259, 1270.870905, 1489.054094, 1433.201519, 1567.401177,
          1384.478543, 1383.860575, 1334.753843, 1386.789066, 1346.508798, 1370.441898, 1413.529929,
          1272.542746
        ]
      ],
      "medians_ms": [1319.915771, 1370.441898],
      "bytes": [4502480, 6186480],
      "heap_growth_medians": [30367416, 33670488],
      "base_hash": "e9e120d2c163949405ae52dc5cd4d08a8d0c8647302f3fb1fafd3b431ab76930",
      "source_hashes": [
        "eb5449241b235c26ed92d6f629a89868d5b3612c47095f96d3eb20b474cb85aa",
        "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff"
      ]
    },
    {
      "baseline": "target",
      "kind": "selection",
      "iteration": 12,
      "final": true,
      "post_review_fix": true,
      "exit_code": 0,
      "blocks": [
        {
          "medians_ms": [546.287538, 547.190939],
          "time_overhead_pct": 0.16537096989386324
        },
        {
          "medians_ms": [548.729001, 552.784326],
          "time_overhead_pct": 0.7390396703307989
        },
        {
          "medians_ms": [554.717647, 540.177424],
          "time_overhead_pct": -2.6211935168523826
        }
      ],
      "workload": "direct",
      "pairs": 15,
      "time_overhead_pct": -1.5555201172974042,
      "serialized_overhead_pct": 23.685278087842153,
      "legacy_equal": 1,
      "functions_complete": 1,
      "forwarding_complete": 1,
      "samples_ms": [
        [
          585.832439, 604.653849, 508.324025, 528.45936, 546.287538, 590.143343, 542.103699,
          506.672531, 548.729001, 653.093038, 566.802297, 554.717647, 556.273056, 510.102922,
          519.793483
        ],
        [
          576.02371, 637.452543, 547.190939, 530.045111, 524.659083, 539.414348, 572.697724,
          511.161353, 552.784326, 558.685312, 532.658077, 501.323318, 540.193411, 560.527328,
          540.177424
        ]
      ],
      "medians_ms": [548.729001, 540.193411],
      "bytes": [3174968, 3926968],
      "heap_growth_medians": [11372208, 18987256],
      "base_hash": "e32fa1876c674740fa2d85a0e1b9bc263799c704f4d537694427da2dd197f264",
      "source_hashes": [
        "eb5449241b235c26ed92d6f629a89868d5b3612c47095f96d3eb20b474cb85aa",
        "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff"
      ]
    },
    {
      "baseline": "original",
      "kind": "selection",
      "iteration": 12,
      "final": true,
      "post_review_fix": true,
      "exit_code": 0,
      "blocks": [
        {
          "medians_ms": [839.997564, 715.49347],
          "time_overhead_pct": -14.821958936061863
        },
        {
          "medians_ms": [800.101563, 720.123923],
          "time_overhead_pct": -9.995935978442782
        },
        {
          "medians_ms": [801.435984, 675.281283],
          "time_overhead_pct": -15.741082696381635
        }
      ],
      "workload": "arguments",
      "pairs": 15,
      "time_overhead_pct": -12.551510290059543,
      "serialized_overhead_pct": 0,
      "legacy_equal": 1,
      "functions_complete": 1,
      "forwarding_complete": 1,
      "samples_ms": [
        [
          839.997564, 738.463058, 857.906524, 842.421851, 799.280266, 960.616255, 902.391745,
          782.451825, 800.101563, 792.380063, 801.435984, 770.546193, 862.753015, 757.292758,
          802.344464
        ],
        [
          659.721701, 715.49347, 700.843664, 742.920449, 842.665567, 751.378898, 864.312785,
          694.810253, 682.495461, 720.123923, 635.26501, 668.832835, 705.642196, 687.253768,
          675.281283
        ]
      ],
      "medians_ms": [801.435984, 700.843664],
      "bytes": [5118249, 5118249],
      "heap_growth_medians": [30844760, 20766944],
      "base_hash": "0ceb296402cd3a89e3d9141152bd56d9584a50634fe2b718cabb5ee0e9aeab15",
      "source_hashes": [
        "3b2a2bccf8254b61fd0ab1b8ab9423f89b29073afc402ad078189a31d67e0748",
        "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff"
      ]
    },
    {
      "baseline": "original",
      "kind": "holdout",
      "iteration": 12,
      "final": true,
      "post_review_fix": true,
      "exit_code": 0,
      "blocks": [
        {
          "medians_ms": [1022.240662, 943.977474],
          "time_overhead_pct": -7.656043328082762
        },
        {
          "medians_ms": [1074.679531, 1071.170551],
          "time_overhead_pct": -0.3265140815266965
        },
        {
          "medians_ms": [1214.845854, 953.230029],
          "time_overhead_pct": -21.53489878066456
        }
      ],
      "workload": "transitive",
      "pairs": 15,
      "time_overhead_pct": -18.376410863434145,
      "serialized_overhead_pct": 0,
      "legacy_equal": 1,
      "functions_complete": 1,
      "forwarding_complete": 1,
      "samples_ms": [
        [
          991.262411, 1022.240662, 954.091735, 1211.352262, 1328.408798, 994.117618, 1074.679531,
          1113.739816, 1417.601299, 1056.288179, 1204.450932, 1214.845854, 1325.823707, 1225.401996,
          1167.836454
        ],
        [
          855.369854, 899.467318, 944.243232, 1123.037271, 943.977474, 944.358269, 1071.170551,
          1109.569003, 1180.041345, 1034.802502, 904.834811, 910.174455, 1218.088988, 1315.290326,
          953.230029
        ]
      ],
      "medians_ms": [1167.836454, 953.230029],
      "bytes": [6186480, 6186480],
      "heap_growth_medians": [22416784, 33734328],
      "base_hash": "e9e120d2c163949405ae52dc5cd4d08a8d0c8647302f3fb1fafd3b431ab76930",
      "source_hashes": [
        "3b2a2bccf8254b61fd0ab1b8ab9423f89b29073afc402ad078189a31d67e0748",
        "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff"
      ]
    }
  ],
  "validation": {
    "corrected_source_sha256": "19b0ca87758a18009b1f740ed4a22c81ccbc12ee756ba53f2d7fc823090e78ff",
    "default_units": {
      "files": 900,
      "passed": 20696,
      "skipped": 47,
      "failed": 0
    },
    "cfg_integration": {
      "files": 13,
      "passed": 141,
      "failed": 0
    },
    "cfg_scaling": {
      "scenarios": 15,
      "passed": 15
    },
    "tool_accuracy": {
      "checks": 32,
      "passed": 32
    },
    "build": true,
    "source_typecheck": true,
    "test_typecheck": true,
    "changed_file_lint_errors": 0,
    "fixture_equivalence": {
      "files": 633,
      "custom_cases": 30,
      "cfgs": 1140,
      "mismatches": 0,
      "sha256": "0d663493b85105b8cd3f4eeb15dad0061473aef785a342344c6db1f511385cd0"
    },
    "malformed_equivalence": {
      "cases": 2520,
      "cfgs": 1651,
      "malformed_literal_nodes": 40,
      "mismatches": 0
    },
    "graph": {
      "base": "11a49a15c6befbe4d5de1cebe74b5456aeb44b99",
      "optimization": {
        "changed_count": 77,
        "affected_count": 3,
        "changed_files": 6,
        "risk_level": "medium"
      },
      "whole_pr": {
        "changed_count": 399,
        "affected_count": 16,
        "changed_files": 42,
        "risk_level": "critical"
      },
      "partial_flag": false,
      "truncated_flag": false,
      "pdg_layer": false
    },
    "full_suite": {
      "source_sha256": "37624680cb858fddfab7f7dcd167606b62f91b89cca7694091e5ac827bf7279c",
      "revision_note": "Frozen candidate before !node.hasError correction. Corrected source separately validated as detailed above.",
      "shards": [
        {
          "shard": 1,
          "files": 334,
          "passed": 7835,
          "skipped": 10,
          "failed": 0,
          "total": 7845
        },
        {
          "shard": 2,
          "files": 335,
          "passed": 7030,
          "skipped": 8,
          "failed": 0,
          "total": 7038
        },
        {
          "shard": 3,
          "files": 335,
          "passed": 6410,
          "skipped": 14,
          "failed": 0,
          "total": 6424
        },
        {
          "shard": 4,
          "files": 334,
          "passed": 6992,
          "skipped": 56,
          "failed": 0,
          "total": 7048
        }
      ],
      "totals": {
        "files": 1338,
        "passed": 28267,
        "skipped": 88,
        "failed": 0,
        "total": 28355
      }
    }
  }
}