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SubjectRe: arch/86: AVX RAID5 xor checksumming v1
On Wed, 18 Apr 2012 15:58:47 -0700 Jim Kukunas
<james.t.kukunas@linux.intel.com> wrote:

> Hi Folks,
>
> The following patch adds an AVX implementation of the RAID5 xor checksumming
> functions.
>
> This version differs from version 0, in that it:
> 0) checks whether assembler supports AVX
> 1) replaces __attribute__(aligned(32)) with __aligned(32)
> 2) adds do/while(0); to macro blocks
>
> Based on xor_speed, the AVX implementation appears to be ~32% faster than the
> SSE implementation on my i7 2600:
>
> generic_sse: 15088.000 MB/sec
> avx: 19936.000 MB/sec
>

Applied, thanks.
(though I remove the blank line at the end of the new file - the voices made
me do it, I had no choice)

NeilBrown
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