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| author | Romain Dolbeau <[email protected]> | 2019-10-30 20:26:14 +0100 |
|---|---|---|
| committer | Brian Behlendorf <[email protected]> | 2019-10-30 12:26:14 -0700 |
| commit | 0b2a642351f375cb9be3d2569a0ac0417340c741 (patch) | |
| tree | 5c5e58e318f33f44220293d35690314eaec85e7a /contrib | |
| parent | bae11ba8dc1dd992643dd0ab0b5cc3b3cc197fe9 (diff) | |
Add AVX512BW variant of fletcher
It is much faster than AVX512F when byteswapping on Skylake-SP
and newer, as we can do the byteswap in a single vshufb instead
of many instructions.
Reviewed by: Gvozden Neskovic <[email protected]>
Reviewed-by: Chunwei Chen <[email protected]>
Reviewed-by: Brian Behlendorf <[email protected]>
Signed-off-by: Romain Dolbeau <[email protected]>
Closes #9517
Diffstat (limited to 'contrib')
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