)]}'
{
  "commit": "45b194e4d4101f4de46dc2afaf20254512ceaa96",
  "tree": "85f44eb1fd6809155332d5b1cb560bad2320f82a",
  "parents": [
    "12dc5eeafc126ec5a6c9e4efba06a171342263e9"
  ],
  "author": {
    "name": "Roman Lebedev",
    "email": "lebedev.ri@gmail.com",
    "time": "Fri Sep 03 17:44:10 2021"
  },
  "committer": {
    "name": "GitHub",
    "email": "noreply@github.com",
    "time": "Fri Sep 03 17:44:10 2021"
  },
  "message": "Introduce Coefficient of variation aggregate (#1220)\n\n* Introduce Coefficient of variation aggregate\r\n\r\nI believe, it is much more useful / use to understand,\r\nbecause it is already normalized by the mean,\r\nso it is not affected by the duration of the benchmark,\r\nunlike the standard deviation.\r\n\r\nExample of real-world output:\r\n```\r\nraw.pixls.us-unique/GoPro/HERO6 Black$ ~/rawspeed/build-old/src/utilities/rsbench/rsbench GOPR9172.GPR --benchmark_repetitions\u003d27 --benchmark_display_aggregates_only\u003dtrue --benchmark_counters_tabular\u003dtrue\r\n2021-09-03T18:05:56+03:00\r\nRunning /home/lebedevri/rawspeed/build-old/src/utilities/rsbench/rsbench\r\nRun on (32 X 3596.16 MHz CPU s)\r\nCPU Caches:\r\n  L1 Data 32 KiB (x16)\r\n  L1 Instruction 32 KiB (x16)\r\n  L2 Unified 512 KiB (x16)\r\n  L3 Unified 32768 KiB (x2)\r\nLoad Average: 7.00, 2.99, 1.85\r\n------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\r\nBenchmark                                                      Time             CPU   Iterations  CPUTime,s CPUTime/WallTime     Pixels Pixels/CPUTime Pixels/WallTime Raws/CPUTime Raws/WallTime WallTime,s\r\n------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------\r\nGOPR9172.GPR/threads:32/process_time/real_time_mean         11.1 ms          353 ms           27   0.353122          31.9473        12M       33.9879M        1085.84M      2.83232       90.4864  0.0110535\r\nGOPR9172.GPR/threads:32/process_time/real_time_median       11.0 ms          352 ms           27   0.351696          31.9599        12M       34.1203M        1090.11M      2.84336       90.8425  0.0110081\r\nGOPR9172.GPR/threads:32/process_time/real_time_stddev      0.159 ms         4.60 ms           27   4.59539m        0.0462064          0       426.371k        14.9631M    0.0355309       1.24692   158.944u\r\nGOPR9172.GPR/threads:32/process_time/real_time_cv           1.44 %          1.30 %            27  0.0130136         1.44633m          0      0.0125448       0.0137802    0.0125448     0.0137802  0.0143795\r\n```\r\n\r\nFixes https://github.com/google/benchmark/issues/1146\r\n\r\n* Be consistent, it\u0027s CV, not \u0027rel std dev\u0027",
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