From: "H. Peter Anvin" <hpa@zytor.com>
To: "Mathias Burén" <mathias.buren@gmail.com>
Cc: Jim Kukunas <james.t.kukunas@linux.intel.com>,
linux-raid@vger.kernel.org
Subject: Re: lib/raid6: SSSE3 optimized recovery functions v1
Date: Mon, 19 Mar 2012 16:23:00 -0700 [thread overview]
Message-ID: <4F67BFD4.1070104@zytor.com> (raw)
In-Reply-To: <CADNH=7HV2UrkEb9J7dppMrwmy1264wmXgApmE+xKb6S=hdeq3A@mail.gmail.com>
On 03/19/2012 04:00 PM, Mathias Burén wrote:
>
> Hi,
>
> Interesting! I read the PDF but could not find any numbers. Have you
> performed any benchmarks on RAID6 recovery on SSSE3 hardware with and
> without your patch?
>
I ran some tests on the core algorithm and found it to be about 3x faster.
-hpa
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next prev parent reply other threads:[~2012-03-19 23:23 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-03-19 18:10 lib/raid6: SSSE3 optimized recovery functions v1 Jim Kukunas
2012-03-19 18:10 ` [PATCH 1/4] lib/raid6: fix test program build Jim Kukunas
2012-03-19 18:10 ` [PATCH 2/4] lib/raid6: Add SSSE3 optimized recovery functions Jim Kukunas
2012-03-19 18:10 ` [PATCH 3/4] lib/raid6: update test program for " Jim Kukunas
2012-03-19 18:10 ` [PATCH 4/4] lib/raid6: cleanup gen_syndrome function selection Jim Kukunas
2012-03-19 22:44 ` lib/raid6: SSSE3 optimized recovery functions v1 H. Peter Anvin
2012-03-19 23:00 ` Mathias Burén
2012-03-19 23:23 ` H. Peter Anvin [this message]
2012-03-20 0:03 ` Mathias Burén
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