tree 7e487b1f869246e33711a51db7ecea9c3f1c388c
parent 35185cebb6b699fd7fd70e4b6f1730d76ef6b009
author Victor Costan <pwnall@chromium.org> 1503708307 -0700
committer Victor Costan <pwnall@chromium.org> 1503712556 -0700

Out-of-order friendly portable implementation.

Baseline, HP Z840:
CRC32CBenchmark/Portable/256             222 ns    3194027   1100.84MB/s
CRC32CBenchmark/Portable/4096           3425 ns     203898   1.11364GB/s
CRC32CBenchmark/Portable/65536         55218 ns      12601   1.10533GB/s
CRC32CBenchmark/Portable/1048576      861817 ns        806   1.13313GB/s
CRC32CBenchmark/Portable/16777216   13765400 ns         51   1.13509GB/s

New, HP Z840:
CRC32CBenchmark/Portable/256              94 ns    7490593    2.5386GB/s
CRC32CBenchmark/Portable/4096           1052 ns     677653   3.62485GB/s
CRC32CBenchmark/Portable/65536         16614 ns      41142   3.67378GB/s
CRC32CBenchmark/Portable/1048576      258028 ns       2645   3.78474GB/s
CRC32CBenchmark/Portable/16777216    4163669 ns        165   3.75276GB/s

Baseline, Google Pixel C:
CRC32CBenchmark/Portable/256             372 ns    1885103   657.405MB/s
CRC32CBenchmark/Portable/4096           5743 ns     122160   681.409MB/s
CRC32CBenchmark/Portable/65536         91958 ns       7618   680.341MB/s
CRC32CBenchmark/Portable/1048576     1477922 ns        473    677.23MB/s
CRC32CBenchmark/Portable/16777216   24189925 ns         29   662.115MB/s

New, Google Pixel C:
CRC32CBenchmark/Portable/256             248 ns    2826799   986.005MB/s
CRC32CBenchmark/Portable/4096           2923 ns     240216   1.30804GB/s
CRC32CBenchmark/Portable/65536         45687 ns      15335   1.33688GB/s
CRC32CBenchmark/Portable/1048576      746816 ns        944   1.30887GB/s
CRC32CBenchmark/Portable/16777216   12372240 ns         57   1.26483GB/s