From: Adrian Bunk <bunk@fs.tum.de>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Dave Jones <davej@codemonkey.org.uk>,
Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
Subject: Re: [RFC][2.5 patch] K6-II/K6-II: enable X86_USE_3DNOW
Date: Tue, 15 Apr 2003 21:37:09 +0200 [thread overview]
Message-ID: <20030415193709.GR9640@fs.tum.de> (raw)
In-Reply-To: <1050357987.26525.24.camel@dhcp22.swansea.linux.org.uk>
On Mon, Apr 14, 2003 at 11:06:28PM +0100, Alan Cox wrote:
> On Llu, 2003-04-14 at 23:27, Dave Jones wrote:
> > On Tue, Apr 15, 2003 at 12:21:10AM +0200, Adrian Bunk wrote:
> > > If my patch is wrong and this is a RTFM please give me a hint where to
> > > find the "M".
> > >
> > > The AMD K6-II and K6-III do support 3DNow!
> >
> > The 3dnow memory copies aren't a win on anything
> > earlier than an Athlon iirc.
>
> Under 1% on a K6. The processor is so horribly memory bound the
> actual copy function is borderline irrelevant. If its not in the
> K6-III cache its not arriving in a hurry
Ah thanks, this is the information I didn't know.
cu
Adrian
--
"Is there not promise of rain?" Ling Tan asked suddenly out
of the darkness. There had been need of rain for many days.
"Only a promise," Lao Er said.
Pearl S. Buck - Dragon Seed
next prev parent reply other threads:[~2003-04-15 19:25 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-04-14 22:21 [RFC][2.5 patch] K6-II/K6-II: enable X86_USE_3DNOW Adrian Bunk
2003-04-14 22:27 ` Dave Jones
2003-04-14 22:06 ` Alan Cox
2003-04-15 19:37 ` Adrian Bunk [this message]
2003-04-14 22:36 ` Robert Love
2003-04-15 8:50 ` Paweł Gołaszewski
2003-04-15 19:39 ` Adrian Bunk
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