tree c1b0a31ba0cb50b7442b039021c28d6ec0b1988a
parent 00134fe7f582d360ae4d1e6c6c52aefe9b4c5f8b
author Nigel Tao <nigeltao@golang.org> 1562415950 +1000
committer Nigel Tao <nigeltao@golang.org> 1562415950 +1000

Tweak io_{reader,writer}.since to use io0_etc

name                                             old speed      new speed      delta

wuffs_deflate_decode_1k_full_init/clang5          155MB/s ± 0%   155MB/s ± 1%     ~     (p=0.222 n=5+5)
wuffs_deflate_decode_1k_part_init/clang5          191MB/s ± 0%   191MB/s ± 1%     ~     (p=0.421 n=5+5)
wuffs_deflate_decode_10k_full_init/clang5         255MB/s ± 0%   248MB/s ± 0%   -2.81%  (p=0.008 n=5+5)
wuffs_deflate_decode_10k_part_init/clang5         262MB/s ± 0%   256MB/s ± 0%   -2.59%  (p=0.008 n=5+5)
wuffs_deflate_decode_100k_just_one_read/clang5    292MB/s ± 0%   282MB/s ± 0%   -3.42%  (p=0.008 n=5+5)
wuffs_deflate_decode_100k_many_big_reads/clang5   249MB/s ± 0%   237MB/s ± 0%   -4.65%  (p=0.008 n=5+5)

wuffs_deflate_decode_1k_full_init/gcc7            157MB/s ± 0%   156MB/s ± 2%     ~     (p=0.095 n=5+5)
wuffs_deflate_decode_1k_part_init/gcc7            194MB/s ± 0%   194MB/s ± 0%     ~     (p=0.548 n=5+5)
wuffs_deflate_decode_10k_full_init/gcc7           268MB/s ± 0%   267MB/s ± 0%   -0.50%  (p=0.016 n=5+5)
wuffs_deflate_decode_10k_part_init/gcc7           276MB/s ± 0%   276MB/s ± 0%     ~     (p=1.000 n=5+5)
wuffs_deflate_decode_100k_just_one_read/gcc7      321MB/s ± 0%   324MB/s ± 0%   +0.75%  (p=0.008 n=5+5)
wuffs_deflate_decode_100k_many_big_reads/gcc7     261MB/s ± 0%   257MB/s ± 0%   -1.21%  (p=0.008 n=5+5)

wuffs_zlib_decode_10k/clang5                      235MB/s ± 1%   230MB/s ± 0%   -2.31%  (p=0.008 n=5+5)
wuffs_zlib_decode_100k/clang5                     260MB/s ± 0%   253MB/s ± 1%   -2.77%  (p=0.008 n=5+5)

wuffs_zlib_decode_10k/gcc7                        226MB/s ± 0%   249MB/s ± 0%  +10.18%  (p=0.008 n=5+5)
wuffs_zlib_decode_100k/gcc7                       263MB/s ± 0%   287MB/s ± 0%   +9.22%  (p=0.008 n=5+5)