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| author | Gayatri Kammela <gayatri.kammela@intel.com> | 2016-08-12 18:03:22 -0700 |
|---|---|---|
| committer | Shaohua Li <shli@fb.com> | 2016-09-21 09:09:44 -0700 |
| commit | 694dda62d28674c21c8186d43b8ca0139bf01585 (patch) | |
| tree | ec3c16fff36581d83f3660282a8cac4c565a5c8f /drivers/md | |
| parent | 161db5d165123a72792e2687ecfd8de146dbae1a (diff) | |
| download | linux-694dda62d28674c21c8186d43b8ca0139bf01585.tar.gz linux-694dda62d28674c21c8186d43b8ca0139bf01585.tar.bz2 linux-694dda62d28674c21c8186d43b8ca0139bf01585.zip | |
lib/raid6: Add AVX512 optimized xor_syndrome functions
Optimize RAID6 xor_syndrome functions to take advantage of the 512-bit
ZMM integer instructions introduced in AVX512.
AVX512 optimized xor_syndrome functions, which is simply based on sse2.c
written by hpa.
The patch was tested and benchmarked before submission on
a hardware that has AVX512 flags to support such instructions
Cc: H. Peter Anvin <hpa@zytor.com>
Cc: Jim Kukunas <james.t.kukunas@linux.intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: Megha Dey <megha.dey@linux.intel.com>
Signed-off-by: Gayatri Kammela <gayatri.kammela@intel.com>
Reviewed-by: Fenghua Yu <fenghua.yu@intel.com>
Signed-off-by: Shaohua Li <shli@fb.com>
Diffstat (limited to 'drivers/md')
0 files changed, 0 insertions, 0 deletions