)]}'
{
  "commit": "3c188994b7717ff920966f670c178064c3c42c77",
  "tree": "8633689eec3b45ec44f0675da5bc6e49977edc48",
  "parents": [
    "4e0818fd86bffc0b4a4b61d3295a6732ba08d715"
  ],
  "author": {
    "name": "Greg Thompson",
    "email": "grt@chromium.org",
    "time": "Tue Dec 16 15:36:05 2025 +0100"
  },
  "committer": {
    "name": "GN LUCI",
    "email": "gn-scoped@luci-project-accounts.iam.gserviceaccount.com",
    "time": "Wed Dec 17 00:34:45 2025 -0800"
  },
  "message": "[Windows] Reduce the number of worker threads on many-core machines\n\nTesting shows that performance decreases beyond about 14 threads on\nWindows. On my primary workstation, capping at 14 threads reduces\nruntime by 25% - 30% depending on the configuration (8s down to 6s or\n11s down to 7.5s).\n\nBug: none\nChange-Id: I17a4f5b8e913efcfa1998b9315362dcccac6f675\nReviewed-on: https://gn-review.googlesource.com/c/gn/+/20640\nReviewed-by: Sylvain Defresne \u003csdefresne@chromium.org\u003e\nCommit-Queue: Greg Thompson \u003cgrt@chromium.org\u003e\nReviewed-by: Andrew Grieve \u003cagrieve@google.com\u003e\n",
  "tree_diff": [
    {
      "type": "modify",
      "old_id": "c1105d68e778772f58cc25bc5fa514fcbd9e3b8e",
      "old_mode": 33188,
      "old_path": "src/util/worker_pool.cc",
      "new_id": "9efc1d28481f0ff653ec49d1c408bdfa5c7d27c6",
      "new_mode": 33188,
      "new_path": "src/util/worker_pool.cc"
    }
  ]
}