From: Dave Jones <davej@redhat.com>
To: Marcelo Tosatti <marcelo@kvack.org>
Cc: Jordan Crouse <jordan.crouse@amd.com>,
Andrew Morton <akpm@linux-foundation.org>,
linux-kernel@vger.kernel.org
Subject: Re: [PATCH] use movntq version of fast_clear_page/fast_copy_page on Geode
Date: Wed, 14 Feb 2007 14:55:46 -0500 [thread overview]
Message-ID: <20070214195546.GA2005@redhat.com> (raw)
In-Reply-To: <20070214190839.GA4864@dmt.lan>
On Wed, Feb 14, 2007 at 05:08:39PM -0200, Marcelo Tosatti wrote:
>
> movntq instruction is supported by Geode CPU's, so use
> fast_clear_page/fast_copy_page versions that have it.
it's supported, but is it a win ?
The same was also true of the VIA C3/C7's, but due to
poor memory bandwidth, it turned out to be slower in most cases.
Dave
--
http://www.codemonkey.org.uk
next prev parent reply other threads:[~2007-02-14 19:56 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-14 19:08 [PATCH] use movntq version of fast_clear_page/fast_copy_page on Geode Marcelo Tosatti
2007-02-14 19:55 ` Dave Jones [this message]
2007-02-14 20:17 ` Marcelo Tosatti
2007-02-14 20:47 ` Dave Jones
2007-02-14 21:23 ` Arjan van de Ven
2007-02-14 21:16 ` Alan
2007-02-15 15:01 ` Marcelo Tosatti
-- strict thread matches above, loose matches on Subject: below --
2007-02-14 19:17 Marcelo Tosatti
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