Messages in this thread | | | From | Gayatri Kammela <> | Subject | [PATCH v2 0/6] Add AVX512 optimized gen_syndrome, xor_syndrome and recovery functions | Date | Fri, 12 Aug 2016 18:03:18 -0700 |
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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
-- 2.7.4
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