)]}'
{
  "commit": "6b2ec065871019d07dcbe6ca527fbd4c600e1c19",
  "tree": "ec8664ae376c9fab705f6dfd359fd6af8100070a",
  "parents": [
    "17d9093bf214f3461815410c298006bac8427c0e"
  ],
  "author": {
    "name": "Dmitriy Vyukov",
    "email": "dvyukov@google.com",
    "time": "Thu Jul 21 13:57:13 2011 -0400"
  },
  "committer": {
    "name": "Russ Cox",
    "email": "rsc@golang.org",
    "time": "Thu Jul 21 13:57:13 2011 -0400"
  },
  "message": "runtime: faster select\n\nMake selectsend() accept pointer to the element,\nit makes it possible to make Scase fixed-size\nand allocate/free Select, all Scase\u0027s and all SudoG at once.\nAs a consequence SudoG freelist die out.\n\nbenchmark                       old,ns/op  new,ns/op\nBenchmarkSelectUncontended\t     1080        558\nBenchmarkSelectUncontended-2\t      675        264\nBenchmarkSelectUncontended-4\t      459        205\nBenchmarkSelectContended\t     1086        560\nBenchmarkSelectContended-2\t     1775       1672\nBenchmarkSelectContended-4\t     2668       2149\n(on Intel Q6600, 4 cores, 2.4GHz)\n\nbenchmark                       old ns/op    new ns/op    delta\nBenchmarkSelectUncontended         517.00       326.00  -36.94%\nBenchmarkSelectUncontended-2       281.00       166.00  -40.93%\nBenchmarkSelectUncontended-4       250.00        83.10  -66.76%\nBenchmarkSelectUncontended-8       107.00        47.40  -55.70%\nBenchmarkSelectUncontended-16       67.80        41.30  -39.09%\nBenchmarkSelectContended           513.00       325.00  -36.65%\nBenchmarkSelectContended-2         699.00       628.00  -10.16%\nBenchmarkSelectContended-4        1085.00      1092.00   +0.65%\nBenchmarkSelectContended-8        3253.00      2477.00  -23.85%\nBenchmarkSelectContended-16       5313.00      5116.00   -3.71%\n(on Intel E5620, 8 HT cores, 2.4 GHz)\n\nR\u003drsc, ken\nCC\u003dgolang-dev\nhttps://golang.org/cl/4811041\n",
  "tree_diff": [
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