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| author | Marc Tiehuis <marc@tiehu.is> | 2019-08-27 20:13:57 +1200 |
|---|---|---|
| committer | GitHub <noreply@github.com> | 2019-08-27 20:13:57 +1200 |
| commit | 326b7b794b01a1194df3785e497460bada756c29 (patch) | |
| tree | 9fa2594364a239b0981f6b16ce0ed095fb0f9cf7 /src/codegen.cpp | |
| parent | 1df75da918c5bf4bfa3f6836e79040628c533657 (diff) | |
| download | zig-326b7b794b01a1194df3785e497460bada756c29.tar.gz zig-326b7b794b01a1194df3785e497460bada756c29.zip | |
Improve siphash performance for small keys by up to 30% (#3124)
This removes the partial buffer handling from the full slice api.
`./benchmark --filter siphash --count 1024`
old
siphash(1,3)
iterative: 3388 MiB/s [67532e53a0d210bf]
small keys: 1258 MiB/s [948c91176a000000]
siphash(2,4)
iterative: 2061 MiB/s [f792d39bff42f819]
small keys: 902 MiB/s [e1ecba6614000000]
new
siphash(1,3)
iterative: 3410 MiB/s [67532e53a0d210bf]
small keys: 1639 MiB/s [948c91176a000000]
siphash(2,4)
iterative: 2053 MiB/s [f792d39bff42f819]
small keys: 1074 MiB/s [e1ecba6614000000]
Diffstat (limited to 'src/codegen.cpp')
0 files changed, 0 insertions, 0 deletions