From mboxrd@z Thu Jan  1 00:00:00 1970
From: NeilBrown <neilb@suse.de>
Subject: Re: arch/86: AVX RAID5 xor checksumming v1
Date: Thu, 19 Apr 2012 10:02:28 +1000
Message-ID: <20120419100228.05112e58@notabene.brown>
References: <1334789928-7238-1-git-send-email-james.t.kukunas@linux.intel.com>
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To: Jim Kukunas <james.t.kukunas@linux.intel.com>
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On Wed, 18 Apr 2012 15:58:47 -0700 Jim Kukunas
<james.t.kukunas@linux.intel.com> wrote:

> Hi Folks,
>=20
> The following patch adds an AVX implementation of the RAID5 xor checksumm=
ing
> functions.
>=20
> 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
>=20
> Based on xor_speed, the AVX implementation appears to be ~32% faster than=
 the
> SSE implementation on my i7 2600:
>=20
>         generic_sse: 15088.000 MB/sec
> 	avx: 19936.000 MB/sec
>=20

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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