tree 3d99ac19c7952e5640588cb3e355f0505815800e
parent 8b2c948f1b4b108843b914136568d49a60ca2785
author Nigel Tao <nigeltao@golang.org> 1550888006 +1100
committer Nigel Tao <nigeltao@golang.org> 1550888006 +1100

Refine the lzw.decoder.prefixes element type

name                                             old speed      new speed      delta

wuffs_gif_decode_1k_bw/clang5                     445MB/s ± 1%   413MB/s ± 1%  -7.11%  (p=0.008 n=5+5)
wuffs_gif_decode_1k_color/clang5                  192MB/s ± 0%   185MB/s ± 0%  -3.82%  (p=0.008 n=5+5)
wuffs_gif_decode_10k_bgra/clang5                  748MB/s ± 1%   742MB/s ± 0%    ~     (p=0.151 n=5+5)
wuffs_gif_decode_10k_indexed/clang5               202MB/s ± 1%   198MB/s ± 1%  -1.69%  (p=0.008 n=5+5)
wuffs_gif_decode_20k/clang5                       251MB/s ± 0%   251MB/s ± 1%    ~     (p=1.000 n=4+5)
wuffs_gif_decode_100k_artificial/clang5           545MB/s ± 1%   563MB/s ± 1%  +3.21%  (p=0.008 n=5+5)
wuffs_gif_decode_100k_realistic/clang5            226MB/s ± 1%   228MB/s ± 0%  +0.96%  (p=0.016 n=5+5)
wuffs_gif_decode_1000k/clang5                     230MB/s ± 1%   232MB/s ± 0%  +1.25%  (p=0.008 n=5+5)
wuffs_gif_decode_anim_screencap/clang5           1.07GB/s ± 1%  1.11GB/s ± 1%  +3.52%  (p=0.008 n=5+5)

wuffs_gif_decode_1k_bw/gcc7                       467MB/s ± 0%   486MB/s ± 1%  +4.11%  (p=0.008 n=5+5)
wuffs_gif_decode_1k_color/gcc7                    196MB/s ± 0%   186MB/s ± 1%  -4.69%  (p=0.008 n=5+5)
wuffs_gif_decode_10k_bgra/gcc7                    639MB/s ± 1%   629MB/s ± 1%  -1.69%  (p=0.008 n=5+5)
wuffs_gif_decode_10k_indexed/gcc7                 202MB/s ± 1%   199MB/s ± 0%  -1.13%  (p=0.016 n=5+5)
wuffs_gif_decode_20k/gcc7                         243MB/s ± 1%   243MB/s ± 0%    ~     (p=0.730 n=5+4)
wuffs_gif_decode_100k_artificial/gcc7             510MB/s ± 0%   510MB/s ± 1%    ~     (p=1.000 n=5+5)
wuffs_gif_decode_100k_realistic/gcc7              211MB/s ± 0%   212MB/s ± 0%  +0.55%  (p=0.008 n=5+5)
wuffs_gif_decode_1000k/gcc7                       214MB/s ± 0%   215MB/s ± 0%    ~     (p=0.056 n=5+5)
wuffs_gif_decode_anim_screencap/gcc7             1.03GB/s ± 1%  1.05GB/s ± 3%    ~     (p=0.151 n=5+5)

wuffs_lzw_decode_20k/clang5                       267MB/s ± 2%   272MB/s ± 0%  +1.79%  (p=0.008 n=5+5)
wuffs_lzw_decode_100k/clang5                      451MB/s ± 2%   469MB/s ± 1%  +3.99%  (p=0.008 n=5+5)

wuffs_lzw_decode_20k/gcc7                         268MB/s ± 0%   269MB/s ± 0%  +0.40%  (p=0.032 n=5+5)
wuffs_lzw_decode_100k/gcc7                        483MB/s ± 1%   483MB/s ± 0%    ~     (p=1.000 n=5+5)