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zstd: Rewrite matchLen to make it inlineable #701

Merged
merged 1 commit into from Nov 29, 2022
Merged

zstd: Rewrite matchLen to make it inlineable #701

merged 1 commit into from Nov 29, 2022

Commits on Nov 27, 2022

  1. zstd: Rewrite matchLen to make it inlineable 

    fastBase.matchlen is also inlineable.

name                                 old speed      new speed      delta
Encoder_EncodeAllXML-8                284MB/s ± 1%   283MB/s ± 1%  -0.28%  (p=0.004 n=19+20)
Encoder_EncodeAllSimple/fastest-8     111MB/s ± 0%   112MB/s ± 1%  +0.95%  (p=0.000 n=17+19)
Encoder_EncodeAllSimple/default-8    78.2MB/s ± 1%  77.8MB/s ± 0%  -0.47%  (p=0.000 n=20+19)
Encoder_EncodeAllSimple/better-8     65.6MB/s ± 1%  65.7MB/s ± 1%    ~     (p=0.189 n=20+20)
Encoder_EncodeAllSimple/best-8       11.1MB/s ± 2%  11.8MB/s ± 0%  +6.19%  (p=0.000 n=18+16)
Encoder_EncodeAllSimple4K/fastest-8   912MB/s ± 0%   912MB/s ± 1%    ~     (p=0.815 n=18+18)
Encoder_EncodeAllSimple4K/default-8  72.9MB/s ± 1%  74.1MB/s ± 1%  +1.68%  (p=0.000 n=20+17)
Encoder_EncodeAllSimple4K/better-8   60.5MB/s ± 1%  60.5MB/s ± 1%    ~     (p=0.767 n=20+18)
Encoder_EncodeAllSimple4K/best-8     8.53MB/s ± 2%  8.84MB/s ± 1%  +3.59%  (p=0.000 n=20+20)
Encoder_EncodeAllHTML-8               133MB/s ± 1%   132MB/s ± 1%  -0.62%  (p=0.000 n=20+20)
Encoder_EncodeAllTwain-8             84.8MB/s ± 1%  86.1MB/s ± 1%  +1.51%  (p=0.000 n=20+15)
Encoder_EncodeAllPi-8                62.6MB/s ± 1%  63.2MB/s ± 1%  +1.00%  (p=0.000 n=20+19)
Random4KEncodeAllFastest-8           2.50GB/s ± 1%  2.52GB/s ± 0%  +0.72%  (p=0.000 n=20+19)
Random10MBEncodeAllFastest-8         2.39GB/s ± 1%  2.48GB/s ± 5%    ~     (p=0.121 n=20+20)

name                                 old alloc/op   new alloc/op   delta
Encoder_EncodeAllXML-8                  0.00B          0.00B         ~     (all equal)
Encoder_EncodeAllSimple/fastest-8       2.75B ±27%     3.00B ± 0%    ~     (p=0.062 n=20+18)
Encoder_EncodeAllSimple/default-8       4.00B ± 0%     4.00B ± 0%    ~     (all equal)
Encoder_EncodeAllSimple/better-8        5.00B ± 0%     5.00B ± 0%    ~     (all equal)
Encoder_EncodeAllSimple/best-8          19.3B ± 4%     18.0B ± 0%  -6.74%  (p=0.000 n=20+16)
Encoder_EncodeAllSimple4K/fastest-8     0.00B          0.00B         ~     (all equal)
Encoder_EncodeAllSimple4K/default-8     0.00B          0.00B         ~     (all equal)
Encoder_EncodeAllSimple4K/better-8      0.00B          0.00B         ~     (all equal)
Encoder_EncodeAllSimple4K/best-8        2.00B ± 0%     2.00B ± 0%    ~     (all equal)
Encoder_EncodeAllHTML-8                 2.45B ±22%     2.50B ±20%    ~     (p=1.000 n=20+20)
Encoder_EncodeAllTwain-8                0.00B          0.00B         ~     (all equal)
Encoder_EncodeAllPi-8                   12.4B ± 5%     12.0B ± 0%  -3.23%  (p=0.002 n=20+18)
Random4KEncodeAllFastest-8              0.00B          0.00B         ~     (all equal)
Random10MBEncodeAllFastest-8           32.0kB ± 2%    30.9kB ± 6%    ~     (p=0.114 n=20+20)
    @greatroar
    greatroar committed Nov 27, 2022
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