26 Aug, 2017

1 commit

• b5e0fff19   lib/raid6: align AVX512 constants to 512 bits, not bytes ... Browse Code »

  Signed-off-by: Denys Vlasenko
  Cc: H. Peter Anvin
  Cc: mingo@redhat.com
  Cc: Jim Kukunas
  Cc: Fenghua Yu
  Cc: Megha Dey
  Cc: Gayatri Kammela
  Cc: x86@kernel.org
  Cc: linux-kernel@vger.kernel.org
  Signed-off-by: Shaohua Li

  Denys Vlasenko

  2017-08-26 01:21:47 +0800  

22 Sep, 2016

2 commits

• 694dda62d   lib/raid6: Add AVX512 optimized xor_syndrome functions ... Browse Code »

  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
  Cc: Jim Kukunas
  Cc: Fenghua Yu
  Cc: Megha Dey
  Signed-off-by: Gayatri Kammela
  Reviewed-by: Fenghua Yu
  Signed-off-by: Shaohua Li

  Gayatri Kammela

  2016-09-22 00:09:44 +0800  
• e0a491c12   lib/raid6: Add AVX512 optimized gen_syndrome functions ... Browse Code »

  Optimize RAID6 gen_syndrom functions to take advantage of
  the 512-bit ZMM integer instructions introduced in AVX512.

  AVX512 optimized gen_syndrom functions, which is simply based
  on avx2.c written by Yuanhan Liu and 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
  Cc: Jim Kukunas
  Cc: Fenghua Yu
  Signed-off-by: Megha Dey
  Signed-off-by: Gayatri Kammela
  Reviewed-by: Fenghua Yu
  Signed-off-by: Shaohua Li

  Gayatri Kammela

  2016-09-22 00:09:44 +0800