RE: [PATCH 0/4] Add AVX512 optimized gen_syndrome and recovery functions

From: Kammela, Gayatri
Date: Tue Aug 02 2016 - 17:11:11 EST


Hi shaohua,
I am wondering if there are any comments on this patch series ?

Thanks,
Gayatri Kammela

-----Original Message-----
From: Kammela, Gayatri
Sent: Friday, July 8, 2016 12:16 PM
To: linux-raid@xxxxxxxxxxxxxxx
Cc: shli@xxxxxxxxxx; linux-kernel@xxxxxxxxxxxxxxx; Kammela, Gayatri <gayatri.kammela@xxxxxxxxx>
Subject: [PATCH 0/4] Add AVX512 optimized gen_syndrome and recovery functions

This is the patch set for adding AVX512 optimized gen_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.

Gayatri Kammela (4):
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 unroll by 8 to AVX512 optimized gen_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 | 466 +++++++++++++++++++++++++++++++++++++++++++++++
lib/raid6/recov_avx512.c | 335 ++++++++++++++++++++++++++++++++++
lib/raid6/test/Makefile | 5 +-
lib/raid6/x86.h | 10 +
8 files changed, 837 insertions(+), 4 deletions(-) create mode 100644 lib/raid6/avx512.c create mode 100644 lib/raid6/recov_avx512.c

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1.9.1