• Michael Lippautz's avatar
    cppgc: Add allocation benchmark · 66fc9431
    Michael Lippautz authored
    Output:
    
    $ out/x64.release/cppgc_allocation_benchmark --benchmark_repetitions=3
    
    Running out/x64.release/cppgc_allocation_benchmark
    Run on (56 X 3500 MHz CPU s)
    CPU Caches:
      L1 Data 32 KiB (x28)
      L1 Instruction 32 KiB (x28)
      L2 Unified 256 KiB (x28)
      L3 Unified 35840 KiB (x2)
    Load Average: 0.23, 0.27, 0.27
    --------------------------------------------------------------------------------
    Benchmark                      Time             CPU   Iterations UserCounters...
    --------------------------------------------------------------------------------
    Allocate/Tiny               17.0 ns         17.0 ns     40348381 bytes_per_second=55.9692M/s
    Allocate/Tiny               17.1 ns         17.1 ns     40348381 bytes_per_second=55.8961M/s
    Allocate/Tiny               17.2 ns         17.2 ns     40348381 bytes_per_second=55.3108M/s
    Allocate/Tiny_mean          17.1 ns         17.1 ns            3 bytes_per_second=55.7254M/s
    Allocate/Tiny_median        17.1 ns         17.1 ns            3 bytes_per_second=55.8961M/s
    Allocate/Tiny_stddev       0.112 ns        0.111 ns            3 bytes_per_second=369.571k/s
    Allocate/Large             40339 ns        40334 ns        17707 bytes_per_second=1.51326G/s
    Allocate/Large             40350 ns        40343 ns        17707 bytes_per_second=1.51292G/s
    Allocate/Large             40205 ns        40192 ns        17707 bytes_per_second=1.51861G/s
    Allocate/Large_mean        40298 ns        40290 ns            3 bytes_per_second=1.51493G/s
    Allocate/Large_median      40339 ns        40334 ns            3 bytes_per_second=1.51326G/s
    Allocate/Large_stddev       81.2 ns         84.7 ns            3 bytes_per_second=3.26614M/s
    
    2020-07-03T09: 14:23+02:00
    Change-Id: I25a55beb5ea1718af76e638b752bf7d67cfe373e
    Reviewed-on: https://chromium-review.googlesource.com/c/v8/v8/+/2280086Reviewed-by: 's avatarAnton Bikineev <bikineev@chromium.org>
    Reviewed-by: 's avatarOmer Katz <omerkatz@chromium.org>
    Commit-Queue: Michael Lippautz <mlippautz@chromium.org>
    Cr-Commit-Position: refs/heads/master@{#68672}
    66fc9431
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