On Fri, Aug 12, 2016 at 06:03:18PM -0700, Gayatri Kammela wrote: > This is the version 2 patch series for adding AVX512 optimized gen_syndrome, > xor_syndrome and recovery functions. > > Optimization of RAID6 using AVX512 instructions should improve the > RAID6 performance.These patches are tested and observed the improvement > in performance. > > Changes since v1: > 1) Added xor_syndrome functions to avx512 optimized raid6. > > Gayatri Kammela (6): > lib/raid6: Add AVX512 optimized gen_syndrome functions > lib/raid6: Add AVX512 optimized recovery functions > lib/raid6/test/Makefile: Add avx512 gen_syndrome and recovery > functions > lib/raid6: Add AVX512 optimized xor_syndrome functions > (DO NOT APPLY) lib/raid6: Add unroll by 8 to AVX512 optimized > gen_syndrome functions > (DO NOT APPLY) lib/raid6: Add unroll by 8 to AVX512 optimized > xor_syndrome functions. > > arch/x86/Makefile | 5 +- > include/linux/raid/pq.h | 5 + > lib/raid6/Makefile | 2 +- > lib/raid6/algos.c | 13 + > lib/raid6/avx512.c | 972 +++++++++++++++++++++++++++++++++++++++++++++++ > lib/raid6/recov_avx512.c | 388 +++++++++++++++++++ > lib/raid6/test/Makefile | 5 +- > lib/raid6/x86.h | 10 + > 8 files changed, 1396 insertions(+), 4 deletions(-) > create mode 100644 lib/raid6/avx512.c > create mode 100644 lib/raid6/recov_avx512.c Hi, I applied the first 4 patches, but I'm not familiar with the new instructions and nor have the hardware to test them, so only have limited check. Thanks, Shaohua -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html