tree 64a517abe87abf880b967f11ee83d9beb3e20266
parent 9f7435c7b4a8beced37b0dd7b4bd07f546b488ab
author Nigel Tao <nigeltao@golang.org> 1562376677 +1000
committer Nigel Tao <nigeltao@golang.org> 1562376677 +1000

Use history_available in decode_huffman_fast

name                                             old speed     new speed     delta

wuffs_deflate_decode_1k_full_init/clang5         134MB/s ± 1%  137MB/s ± 0%  +1.74%  (p=0.000 n=10+10)
wuffs_deflate_decode_1k_part_init/clang5         162MB/s ± 1%  165MB/s ± 0%  +1.79%  (p=0.000 n=10+10)
wuffs_deflate_decode_10k_full_init/clang5        220MB/s ± 0%  226MB/s ± 0%  +2.76%  (p=0.000 n=10+9)
wuffs_deflate_decode_10k_part_init/clang5        225MB/s ± 0%  232MB/s ± 1%  +2.77%  (p=0.000 n=9+9)
wuffs_deflate_decode_100k_just_one_read/clang5   270MB/s ± 0%  265MB/s ± 0%  -1.93%  (p=0.000 n=10+10)
wuffs_deflate_decode_100k_many_big_reads/clang5  225MB/s ± 0%  223MB/s ± 0%  -1.04%  (p=0.000 n=10+9)

wuffs_deflate_decode_1k_full_init/gcc7           151MB/s ± 1%  151MB/s ± 0%    ~     (p=0.277 n=9+8)
wuffs_deflate_decode_1k_part_init/gcc7           186MB/s ± 1%  186MB/s ± 0%    ~     (p=0.696 n=10+8)
wuffs_deflate_decode_10k_full_init/gcc7          256MB/s ± 1%  253MB/s ± 1%  -0.98%  (p=0.001 n=10+9)
wuffs_deflate_decode_10k_part_init/gcc7          264MB/s ± 1%  261MB/s ± 0%  -1.11%  (p=0.000 n=10+9)
wuffs_deflate_decode_100k_just_one_read/gcc7     310MB/s ± 1%  312MB/s ± 0%  +0.43%  (p=0.013 n=10+9)
wuffs_deflate_decode_100k_many_big_reads/gcc7    247MB/s ± 0%  251MB/s ± 0%  +1.47%  (p=0.000 n=10+9)