linux-kernel - Re: [PATCH] lib/raid6: Add AVX2 optimized recovery functions

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Message-ID: <1352460945.4387.7.camel@mattotaupa>
Date:	Fri, 09 Nov 2012 12:35:45 +0100
From:	Paul Menzel <pm.debian@...glemail.com>
To:	Jim Kukunas <james.t.kukunas@...ux.intel.com>
Cc:	Linux Raid <linux-raid@...r.kernel.org>,
	Linux Kernel <linux-kernel@...r.kernel.org>,
	Neil Brown <neilb@...e.de>, "H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] lib/raid6: Add AVX2 optimized recovery functions

Dear Jim,


Am Donnerstag, den 08.11.2012, 13:47 -0800 schrieb Jim Kukunas:
> Optimize RAID6 recovery functions to take advantage of
> the 256-bit YMM integer instructions introduced in AVX2.

in my experiencing optimizations always have to be back up by
benchmarks. Could you add those to the commit message please.

> Signed-off-by: Jim Kukunas <james.t.kukunas@...ux.intel.com>

[…]


Thanks,

Paul

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