tree bb2443c1e8950c7203afd69c88198f308eb3dd8a
parent ff1e3c9c48866f3ca02aa2221537464cd2cbffc6
author Nigel Tao <nigeltao@golang.org> 1562372499 +1000
committer Nigel Tao <nigeltao@golang.org> 1562372499 +1000

Replace std/gif's use of since_mark

name                                        old speed      new speed      delta

wuffs_gif_decode_1k_bw/clang5                380MB/s ± 1%   407MB/s ± 1%  +7.09%  (p=0.000 n=10+10)
wuffs_gif_decode_1k_color_full_init/clang5   137MB/s ± 0%   140MB/s ± 1%  +1.87%  (p=0.000 n=10+10)
wuffs_gif_decode_1k_color_part_init/clang5   182MB/s ± 1%   185MB/s ± 1%  +1.50%  (p=0.000 n=10+10)
wuffs_gif_decode_10k_bgra/clang5             736MB/s ± 1%   736MB/s ± 0%    ~     (p=0.696 n=10+8)
wuffs_gif_decode_10k_indexed/clang5          199MB/s ± 1%   198MB/s ± 0%  -0.45%  (p=0.021 n=10+8)
wuffs_gif_decode_20k/clang5                  246MB/s ± 0%   244MB/s ± 1%  -0.61%  (p=0.011 n=10+10)
wuffs_gif_decode_100k_artificial/clang5      541MB/s ± 1%   540MB/s ± 1%    ~     (p=0.579 n=10+10)
wuffs_gif_decode_100k_realistic/clang5       222MB/s ± 0%   222MB/s ± 0%    ~     (p=0.481 n=10+10)
wuffs_gif_decode_1000k_full_init/clang5      226MB/s ± 1%   225MB/s ± 0%  -0.40%  (p=0.035 n=10+10)
wuffs_gif_decode_1000k_part_init/clang5      226MB/s ± 0%   226MB/s ± 0%  -0.23%  (p=0.013 n=10+9)
wuffs_gif_decode_anim_screencap/clang5      1.07GB/s ± 1%  1.07GB/s ± 0%    ~     (p=0.089 n=10+10)

wuffs_gif_decode_1k_bw/gcc7                  438MB/s ± 1%   459MB/s ± 0%  +4.67%  (p=0.000 n=10+9)
wuffs_gif_decode_1k_color_full_init/gcc7     136MB/s ± 1%   139MB/s ± 0%  +2.25%  (p=0.000 n=10+9)
wuffs_gif_decode_1k_color_part_init/gcc7     177MB/s ± 1%   180MB/s ± 1%  +1.66%  (p=0.000 n=10+10)
wuffs_gif_decode_10k_bgra/gcc7               612MB/s ± 1%   615MB/s ± 1%  +0.57%  (p=0.022 n=10+9)
wuffs_gif_decode_10k_indexed/gcc7            192MB/s ± 0%   193MB/s ± 1%  +0.38%  (p=0.022 n=10+9)
wuffs_gif_decode_20k/gcc7                    234MB/s ± 0%   234MB/s ± 1%    ~     (p=0.631 n=10+10)
wuffs_gif_decode_100k_artificial/gcc7        499MB/s ± 1%   497MB/s ± 1%  -0.48%  (p=0.011 n=10+10)
wuffs_gif_decode_100k_realistic/gcc7         203MB/s ± 0%   203MB/s ± 0%    ~     (p=0.489 n=9+9)
wuffs_gif_decode_1000k_full_init/gcc7        207MB/s ± 0%   206MB/s ± 0%  -0.27%  (p=0.010 n=8+8)
wuffs_gif_decode_1000k_part_init/gcc7        207MB/s ± 1%   207MB/s ± 1%    ~     (p=0.604 n=10+9)
wuffs_gif_decode_anim_screencap/gcc7        1.03GB/s ± 1%  1.03GB/s ± 1%    ~     (p=0.968 n=10+9)