{ "date": "2026-10-05", "baselineRevision": "d6f9010", "runtime": "native Linux g++ -O3 -std=c++17 -pthread -D__EMSCRIPTEN_PTHREADS__", "availableLogicalCpus": 4, "scope": "Production-based boundary mask implementation, profiled against original mirrorFacet-based neighboring-region checks and direct cellAdjacent checks on each identical retained topology. Each mode repeated3times, all same-tessellation network JSON and all tetrahedron regions must exactly match. Alpha cache and CSR index disabled.", "modes": { "0": "original mirrorFacet neighbor lookup, serial facet scan", "1": "direct cellAdjacent neighbor lookup, serial facet scan", "2": "direct cellAdjacent + parallel wrapped-vector/boundary mask prepass forthreads>1 and>=2048filledlocalcells; serialotherwise" }, "scientificChecks": "54exactnetworkJSON+everytetregion checks and18invalidinteriorcell checks (same error message and same first invalid filled index). Invalid checks scale simulation-cell matrix after valid tessellation/mapping to force an interior filled cell to violate wrapped-vector validation. They are outside timed extraction.", "memory": "One byte per filled local cell only, allocation released after facet construction; no allocation for serial/small paths. Allocation failure falls back to serial direct lookup.", "timingLimit": "Native timings are not Wasm timings. Classification/tracing variability affects finish medians; facet medians include the entire mask pass and ordered commit. Root will compare realWasm before/after at1/2/4threads.", "experiments": [ { "dataset": "fe", "threads": 1, "runs": [ { "run": 0, "mode": 0, "atoms": 60229, "finishMs": 500.426, "facetConstructionMs": 55.9758, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 1, "mode": 1, "atoms": 60229, "finishMs": 479.47, "facetConstructionMs": 29.4638, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 2, "mode": 2, "atoms": 60229, "finishMs": 463.404, "facetConstructionMs": 27.0457, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 3, "mode": 0, "atoms": 60229, "finishMs": 460.713, "facetConstructionMs": 48.7663, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 4, "mode": 1, "atoms": 60229, "finishMs": 412.623, "facetConstructionMs": 22.0043, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 5, "mode": 2, "atoms": 60229, "finishMs": 415.783, "facetConstructionMs": 22.8868, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 6, "mode": 0, "atoms": 60229, "finishMs": 454.625, "facetConstructionMs": 48.9659, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 7, "mode": 1, "atoms": 60229, "finishMs": 418.944, "facetConstructionMs": 19.9678, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 8, "mode": 2, "atoms": 60229, "finishMs": 390.13, "facetConstructionMs": 20.2426, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true } ], "invalidInteriorChecks": [ { "mode": 0, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 1, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 2, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true } ], "mappingPreparationMs": 1030.04, "originalMedianFacetMs": 48.9659, "originalMedianFinishMs": 460.713, "directAdjacencyMedianFacetMs": 22.0043, "directAdjacencyMedianFinishMs": 418.944, "parallelPrepassMedianFacetMs": 22.8868, "parallelPrepassMedianFinishMs": 415.783, "maskBytes": 0, "directAdjacencyFacetGainPercent": 55.061992121047496, "parallelPrepassFacetGainPercent": 53.25971747685634, "prepassIncrementalFacetGainPercent": -4.01057975032153 }, { "dataset": "fe", "threads": 2, "runs": [ { "run": 0, "mode": 0, "atoms": 60229, "finishMs": 331.64, "facetConstructionMs": 48.4183, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 1, "mode": 1, "atoms": 60229, "finishMs": 281.976, "facetConstructionMs": 25.4486, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 2, "mode": 2, "atoms": 60229, "finishMs": 257.232, "facetConstructionMs": 27.3134, "prepassMs": 17.0514, "maskBytes": 361194, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 3, "mode": 0, "atoms": 60229, "finishMs": 256.125, "facetConstructionMs": 50.6679, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 4, "mode": 1, "atoms": 60229, "finishMs": 292.186, "facetConstructionMs": 25.0021, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 5, "mode": 2, "atoms": 60229, "finishMs": 268.088, "facetConstructionMs": 14.5789, "prepassMs": 10.7314, "maskBytes": 361194, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 6, "mode": 0, "atoms": 60229, "finishMs": 283.678, "facetConstructionMs": 50.4206, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 7, "mode": 1, "atoms": 60229, "finishMs": 305.481, "facetConstructionMs": 30.1736, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 8, "mode": 2, "atoms": 60229, "finishMs": 293.779, "facetConstructionMs": 20.8724, "prepassMs": 17.3306, "maskBytes": 361194, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true } ], "invalidInteriorChecks": [ { "mode": 0, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 1, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 2, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true } ], "mappingPreparationMs": 728.567, "originalMedianFacetMs": 50.4206, "originalMedianFinishMs": 283.678, "directAdjacencyMedianFacetMs": 25.4486, "directAdjacencyMedianFinishMs": 292.186, "parallelPrepassMedianFacetMs": 20.8724, "parallelPrepassMedianFinishMs": 268.088, "maskBytes": 361194, "directAdjacencyFacetGainPercent": 49.52737571548137, "parallelPrepassFacetGainPercent": 58.603427963967114, "prepassIncrementalFacetGainPercent": 17.9821286829138 }, { "dataset": "fe", "threads": 4, "runs": [ { "run": 0, "mode": 0, "atoms": 60229, "finishMs": 175.775, "facetConstructionMs": 44.58, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 1, "mode": 1, "atoms": 60229, "finishMs": 141.533, "facetConstructionMs": 20.6706, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 2, "mode": 2, "atoms": 60229, "finishMs": 117.859, "facetConstructionMs": 12.8371, "prepassMs": 8.95812, "maskBytes": 361194, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 3, "mode": 0, "atoms": 60229, "finishMs": 140.911, "facetConstructionMs": 43.0701, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 4, "mode": 1, "atoms": 60229, "finishMs": 130.751, "facetConstructionMs": 25.3646, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 5, "mode": 2, "atoms": 60229, "finishMs": 125.891, "facetConstructionMs": 11.4048, "prepassMs": 7.44961, "maskBytes": 361194, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 6, "mode": 0, "atoms": 60229, "finishMs": 153.477, "facetConstructionMs": 45.028, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 7, "mode": 1, "atoms": 60229, "finishMs": 135.841, "facetConstructionMs": 24.6956, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 8, "mode": 2, "atoms": 60229, "finishMs": 134.455, "facetConstructionMs": 12.1892, "prepassMs": 7.97824, "maskBytes": 361194, "tetrahedra": 760983, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true } ], "invalidInteriorChecks": [ { "mode": 0, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 1, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 2, "firstInvalidCell": 0, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true } ], "mappingPreparationMs": 519.578, "originalMedianFacetMs": 44.58, "originalMedianFinishMs": 153.477, "directAdjacencyMedianFacetMs": 24.6956, "directAdjacencyMedianFinishMs": 135.841, "parallelPrepassMedianFacetMs": 12.1892, "parallelPrepassMedianFinishMs": 125.891, "maskBytes": 361194, "directAdjacencyFacetGainPercent": 44.603858232391204, "parallelPrepassFacetGainPercent": 72.65769403319875, "prepassIncrementalFacetGainPercent": 50.64221966666127 }, { "dataset": "nigb", "threads": 1, "runs": [ { "run": 0, "mode": 0, "atoms": 259808, "finishMs": 3988.48, "facetConstructionMs": 307.518, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 1, "mode": 1, "atoms": 259808, "finishMs": 3886.65, "facetConstructionMs": 227.226, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 2, "mode": 2, "atoms": 259808, "finishMs": 3903.07, "facetConstructionMs": 199.01, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 3, "mode": 0, "atoms": 259808, "finishMs": 3920.89, "facetConstructionMs": 281.858, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 4, "mode": 1, "atoms": 259808, "finishMs": 4166.92, "facetConstructionMs": 187.117, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 5, "mode": 2, "atoms": 259808, "finishMs": 3809.45, "facetConstructionMs": 204.972, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 6, "mode": 0, "atoms": 259808, "finishMs": 4239.14, "facetConstructionMs": 295.125, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 7, "mode": 1, "atoms": 259808, "finishMs": 4218.32, "facetConstructionMs": 210.982, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 8, "mode": 2, "atoms": 259808, "finishMs": 4086.98, "facetConstructionMs": 193.591, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true } ], "invalidInteriorChecks": [ { "mode": 0, "firstInvalidCell": 2, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 1, "firstInvalidCell": 2, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 2, "firstInvalidCell": 2, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true } ], "mappingPreparationMs": 5427.31, "originalMedianFacetMs": 295.125, "originalMedianFinishMs": 3988.48, "directAdjacencyMedianFacetMs": 210.982, "directAdjacencyMedianFinishMs": 4166.92, "parallelPrepassMedianFacetMs": 199.01, "parallelPrepassMedianFinishMs": 3903.07, "maskBytes": 0, "directAdjacencyFacetGainPercent": 28.51096992799661, "parallelPrepassFacetGainPercent": 32.567556120288025, "prepassIncrementalFacetGainPercent": 5.67441772283892 }, { "dataset": "nigb", "threads": 2, "runs": [ { "run": 0, "mode": 0, "atoms": 259808, "finishMs": 2885.49, "facetConstructionMs": 361.201, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 1, "mode": 1, "atoms": 259808, "finishMs": 2564.5, "facetConstructionMs": 190.754, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 2, "mode": 2, "atoms": 259808, "finishMs": 2642.54, "facetConstructionMs": 164.801, "prepassMs": 117.147, "maskBytes": 1519031, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 3, "mode": 0, "atoms": 259808, "finishMs": 2651.57, "facetConstructionMs": 299.258, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 4, "mode": 1, "atoms": 259808, "finishMs": 2656.36, "facetConstructionMs": 205.971, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 5, "mode": 2, "atoms": 259808, "finishMs": 2365.89, "facetConstructionMs": 143.799, "prepassMs": 89.4849, "maskBytes": 1519031, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 6, "mode": 0, "atoms": 259808, "finishMs": 2457.8, "facetConstructionMs": 285.879, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 7, "mode": 1, "atoms": 259808, "finishMs": 2345.66, "facetConstructionMs": 190.719, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 8, "mode": 2, "atoms": 259808, "finishMs": 2223.44, "facetConstructionMs": 122.925, "prepassMs": 78.1854, "maskBytes": 1519031, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true } ], "invalidInteriorChecks": [ { "mode": 0, "firstInvalidCell": 3, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 1, "firstInvalidCell": 3, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 2, "firstInvalidCell": 3, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true } ], "mappingPreparationMs": 4183.83, "originalMedianFacetMs": 299.258, "originalMedianFinishMs": 2651.57, "directAdjacencyMedianFacetMs": 190.754, "directAdjacencyMedianFinishMs": 2564.5, "parallelPrepassMedianFacetMs": 143.799, "parallelPrepassMedianFinishMs": 2365.89, "maskBytes": 1519031, "directAdjacencyFacetGainPercent": 36.25767732190952, "parallelPrepassFacetGainPercent": 51.94815176202474, "prepassIncrementalFacetGainPercent": 24.615473332145054 }, { "dataset": "nigb", "threads": 4, "runs": [ { "run": 0, "mode": 0, "atoms": 259808, "finishMs": 2060.34, "facetConstructionMs": 393.883, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 1, "mode": 1, "atoms": 259808, "finishMs": 1944.61, "facetConstructionMs": 244.817, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 2, "mode": 2, "atoms": 259808, "finishMs": 1751.41, "facetConstructionMs": 109.305, "prepassMs": 62.3743, "maskBytes": 1518957, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 3, "mode": 0, "atoms": 259808, "finishMs": 1869.55, "facetConstructionMs": 301.331, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 4, "mode": 1, "atoms": 259808, "finishMs": 1737.18, "facetConstructionMs": 183.037, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 5, "mode": 2, "atoms": 259808, "finishMs": 1672.14, "facetConstructionMs": 111.894, "prepassMs": 64.8342, "maskBytes": 1518957, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 6, "mode": 0, "atoms": 259808, "finishMs": 1820.46, "facetConstructionMs": 286.011, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 7, "mode": 1, "atoms": 259808, "finishMs": 1883.8, "facetConstructionMs": 215.784, "prepassMs": 0, "maskBytes": 0, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true }, { "run": 8, "mode": 2, "atoms": 259808, "finishMs": 1766.1, "facetConstructionMs": 112.801, "prepassMs": 64.779, "maskBytes": 1518957, "tetrahedra": 5162144, "exactNetworkJsonParity": true, "exactEveryTetRegionParity": true } ], "invalidInteriorChecks": [ { "mode": 0, "firstInvalidCell": 2, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 1, "firstInvalidCell": 2, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true }, { "mode": 2, "firstInvalidCell": 2, "originalFilledIndex": 0, "exactErrorMessage": true, "originalFirstInvalidCellRetained": true, "cellHasNoBoundaryFaces": true } ], "mappingPreparationMs": 3066.31, "originalMedianFacetMs": 301.331, "originalMedianFinishMs": 1869.55, "directAdjacencyMedianFacetMs": 215.784, "directAdjacencyMedianFinishMs": 1883.8, "parallelPrepassMedianFacetMs": 111.894, "parallelPrepassMedianFinishMs": 1751.41, "maskBytes": 1518957, "directAdjacencyFacetGainPercent": 28.389710982275307, "parallelPrepassFacetGainPercent": 62.86674786198565, "prepassIncrementalFacetGainPercent": 48.145367589812025 } ], "helperSha256": "729f9fd21f12b33fc128fad0ce443cf136c3308a545c37c6ece89830382fff64" }