)]}'
{
  "commit": "ba1a8f8d05e97687fb3a3fd1d1c250af7af6d22b",
  "tree": "8bd583ceceab0d8e00efa97e76e62575511c6d12",
  "parents": [
    "73ced33dfbbf4ee97e6d2a50603ed11ef41bd162"
  ],
  "author": {
    "name": "Ben Clayton",
    "email": "bclayton@google.com",
    "time": "Sat Jan 22 20:32:38 2022 +0000"
  },
  "committer": {
    "name": "Tint LUCI CQ",
    "email": "tint-scoped@luci-project-accounts.iam.gserviceaccount.com",
    "time": "Sat Jan 22 20:32:38 2022 +0000"
  },
  "message": "optimization: BlockAllocator: Actually allocate in blocks\n\nInstead of hitting the heap for each and every call to Create()\n\nSignificantly improves performance for heavy loads. Slight performance\nloss for lighter loads.\n\nA: base.bench\nB: new.bench\n\nTest name                             | Δ (A → B)    | % (A → B)\n--------------------------------------+--------------+-----------\nGenerateSPIRV/\"simple_fragment.wgsl\"  | 27.021µs     | +6.4%\nGenerateMSL/\"simple_compute.wgsl\"     | 35.592µs     | +6.1%\nGenerateMSL/\"simple_vertex.wgsl\"      | 37.64µs      | +5.5%\nGenerateHLSL/\"simple_fragment.wgsl\"   | 42.145µs     | +5.2%\nGenerateGLSL/\"simple_fragment.wgsl\"   | 31.506µs     | +4.9%\nGenerateHLSL/\"simple_vertex.wgsl\"     | 38.843µs     | +4.7%\nGenerateMSL/\"simple_fragment.wgsl\"    | 29.977µs     | +4.5%\nGenerateSPIRV/\"simple_vertex.wgsl\"    | 19.882µs     | +4.2%\nGenerateGLSL/\"simple_vertex.wgsl\"     | 24.702µs     | +3.7%\nGenerateSPIRV/\"simple_compute.wgsl\"   | 17.652µs     | +3.2%\nGenerateHLSL/\"simple_compute.wgsl\"    | 26.826µs     | +2.7%\nGenerateGLSL/\"simple_compute.wgsl\"    | 11.952µs     | +1.8%\nParseWGSL/\"particles.wgsl\"            | -104.83µs    | -4.2%\nGenerateMSL/\"particles.wgsl\"          | -1.079243ms  | -9.4%\nGenerateSPIRV/\"particles.wgsl\"        | -1.012483ms  | -9.4%\nGenerateGLSL/\"particles.wgsl\"         | -3.522106ms  | -9.5%\nGenerateHLSL/\"particles.wgsl\"         | -1.849666ms  | -10.6%\n\nIssue: tint:1383\nChange-Id: Ib691328538c597c06a75dfba392c99d2afbd5442\nReviewed-on: https://dawn-review.googlesource.com/c/tint/+/76961\nReviewed-by: Antonio Maiorano \u003camaiorano@google.com\u003e\nKokoro: Kokoro \u003cnoreply+kokoro@google.com\u003e\nCommit-Queue: Ben Clayton \u003cbclayton@google.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
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      "new_path": "fuzzers/tint_ast_clone_fuzzer.cc"
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