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

From: Shaohua Li
Date: Tue Aug 02 2016 - 18:04:23 EST


On Tue, Aug 02, 2016 at 09:08:39PM +0000, Kammela, Gayatri wrote:
> Hi shaohua,
> I am wondering if there are any comments on this patch series ?

I didn't see the patches in my mailbox. please resend.

> 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
>
> --
> 1.9.1
>