{
  "base": {
    "source": "198aa828e",
    "rustEquivalentMain": "097104c4fa1ca8f9f5263654f048a15b786f6cac",
    "binarySha256": "7ca10af77434ff8415f7f2b454a91bf38780ac388e2d7b9190863d69f9e6dd1a"
  },
  "branch": {
    "source": "fc4fb29eb",
    "binarySha256": "0f8ac1ac5618d57a4b974eddfb93eba75f8e946993e9e70d8c4a16bc425887c5"
  },
  "method": "Prebuilt scripts/perf/probe.sh profiling binaries, idle interleaved A/B/A/B, five iterations per call. Native normal-load attribution only; no browser-worker performance claim.",
  "verdict": "AC20 has a small absolute one-to-two millisecond increase at coarse phase resolution; ISSUE129 geometry and total remain close across both pairs. This is not a speedup. Mesh, vertex and triangle counts match; full geometry byte identity was not measured.",
  "fixtures": {
    "ac20": [
      {
        "kind": "base",
        "pair": 1,
        "result": {
          "path": "tests/models/ara3d/AC20-FZK-Haus.ifc",
          "fileMb": 2.41,
          "entities": 44249,
          "meshes": 285,
          "vertices": 35940,
          "triangles": 19456,
          "indexBuildMs": 1.25,
          "parseMs": 2,
          "entityScanMs": 1,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 4,
          "facetedBrepMs": 0,
          "totalMs": 7,
          "allTotalsMs": [
            10,
            8,
            7,
            7,
            7
          ],
          "allWallMs": [
            10.933375,
            8.851666,
            8.146542,
            8.267334,
            7.9357500000000005
          ],
          "pointCacheHits": 51876,
          "pointCacheMisses": 9124,
          "csgFailures": 0,
          "degenerateDropped": 0
        }
      },
      {
        "kind": "branch",
        "pair": 1,
        "result": {
          "path": "tests/models/ara3d/AC20-FZK-Haus.ifc",
          "fileMb": 2.41,
          "entities": 44249,
          "meshes": 285,
          "vertices": 35940,
          "triangles": 19456,
          "indexBuildMs": 2.37,
          "parseMs": 3,
          "entityScanMs": 2,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 5,
          "facetedBrepMs": 0,
          "totalMs": 9,
          "allTotalsMs": [
            16,
            11,
            9,
            9,
            9
          ],
          "allWallMs": [
            17.163625,
            11.584834,
            10.289291,
            9.963417,
            9.550167
          ],
          "pointCacheHits": 51988,
          "pointCacheMisses": 9156,
          "csgFailures": 0,
          "degenerateDropped": 0
        }
      },
      {
        "kind": "base",
        "pair": 2,
        "result": {
          "path": "tests/models/ara3d/AC20-FZK-Haus.ifc",
          "fileMb": 2.41,
          "entities": 44249,
          "meshes": 285,
          "vertices": 35940,
          "triangles": 19456,
          "indexBuildMs": 1.17,
          "parseMs": 2,
          "entityScanMs": 1,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 4,
          "facetedBrepMs": 0,
          "totalMs": 7,
          "allTotalsMs": [
            9,
            8,
            7,
            7,
            7
          ],
          "allWallMs": [
            10.210916000000001,
            8.867666,
            8.181249999999999,
            8.16125,
            8.218792
          ],
          "pointCacheHits": 52292,
          "pointCacheMisses": 9308,
          "csgFailures": 0,
          "degenerateDropped": 0
        }
      },
      {
        "kind": "branch",
        "pair": 2,
        "result": {
          "path": "tests/models/ara3d/AC20-FZK-Haus.ifc",
          "fileMb": 2.41,
          "entities": 44249,
          "meshes": 285,
          "vertices": 35940,
          "triangles": 19456,
          "indexBuildMs": 1.08,
          "parseMs": 2,
          "entityScanMs": 1,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 5,
          "facetedBrepMs": 0,
          "totalMs": 8,
          "allTotalsMs": [
            9,
            8,
            8,
            8,
            8
          ],
          "allWallMs": [
            9.917792,
            8.809375,
            8.708541,
            8.482916999999999,
            9.219125
          ],
          "pointCacheHits": 52052,
          "pointCacheMisses": 9212,
          "csgFailures": 0,
          "degenerateDropped": 0
        }
      }
    ],
    "issue129": [
      {
        "kind": "base",
        "pair": 1,
        "result": {
          "path": "tests/models/ara3d/ISSUE_129_N1540_17_EXE_MOD_448200_02_09_11SMC_IGC_V17.ifc",
          "fileMb": 11.473,
          "entities": 202661,
          "meshes": 1402,
          "vertices": 218255,
          "triangles": 132674,
          "indexBuildMs": 5.15,
          "parseMs": 8,
          "entityScanMs": 8,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 565,
          "facetedBrepMs": 0,
          "totalMs": 574,
          "allTotalsMs": [
            584,
            578,
            590,
            578,
            574
          ],
          "allWallMs": [
            589.446417,
            583.345,
            594.832125,
            583.6320830000001,
            579.135458
          ],
          "pointCacheHits": 222726,
          "pointCacheMisses": 27872,
          "csgFailures": 43,
          "degenerateDropped": 6
        }
      },
      {
        "kind": "branch",
        "pair": 1,
        "result": {
          "path": "tests/models/ara3d/ISSUE_129_N1540_17_EXE_MOD_448200_02_09_11SMC_IGC_V17.ifc",
          "fileMb": 11.473,
          "entities": 202661,
          "meshes": 1402,
          "vertices": 218255,
          "triangles": 132674,
          "indexBuildMs": 4.64,
          "parseMs": 9,
          "entityScanMs": 8,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 569,
          "facetedBrepMs": 0,
          "totalMs": 578,
          "allTotalsMs": [
            590,
            578,
            586,
            596,
            590
          ],
          "allWallMs": [
            594.949291,
            583.4617920000001,
            591.516125,
            601.331583,
            594.7480419999999
          ],
          "pointCacheHits": 222725,
          "pointCacheMisses": 27873,
          "csgFailures": 43,
          "degenerateDropped": 6
        }
      },
      {
        "kind": "base",
        "pair": 2,
        "result": {
          "path": "tests/models/ara3d/ISSUE_129_N1540_17_EXE_MOD_448200_02_09_11SMC_IGC_V17.ifc",
          "fileMb": 11.473,
          "entities": 202661,
          "meshes": 1402,
          "vertices": 218255,
          "triangles": 132674,
          "indexBuildMs": 4.65,
          "parseMs": 9,
          "entityScanMs": 8,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 570,
          "facetedBrepMs": 0,
          "totalMs": 579,
          "allTotalsMs": [
            608,
            579,
            581,
            598,
            598
          ],
          "allWallMs": [
            612.802584,
            584.0666249999999,
            585.6859169999999,
            603.587417,
            602.626125
          ],
          "pointCacheHits": 222724,
          "pointCacheMisses": 27874,
          "csgFailures": 43,
          "degenerateDropped": 6
        }
      },
      {
        "kind": "branch",
        "pair": 2,
        "result": {
          "path": "tests/models/ara3d/ISSUE_129_N1540_17_EXE_MOD_448200_02_09_11SMC_IGC_V17.ifc",
          "fileMb": 11.473,
          "entities": 202661,
          "meshes": 1402,
          "vertices": 218255,
          "triangles": 132674,
          "indexBuildMs": 4.91,
          "parseMs": 8,
          "entityScanMs": 8,
          "lookupMs": 0,
          "preprocessMs": 0,
          "geometryMs": 570,
          "facetedBrepMs": 0,
          "totalMs": 579,
          "allTotalsMs": [
            598,
            588,
            598,
            598,
            579
          ],
          "allWallMs": [
            602.802084,
            592.902417,
            602.792209,
            603.323833,
            583.711125
          ],
          "pointCacheHits": 222724,
          "pointCacheMisses": 27874,
          "csgFailures": 43,
          "degenerateDropped": 6
        }
      }
    ]
  }
}