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Subject: Re: P4 hyperthreading
From: Louis Garcia <louisg00@bellsouth.net>
To: Austin Gonyou <austin@digitalroadkill.net>
Cc: Davide Libenzi <davidel@xmailserver.org>,
        William Lee Irwin III <wli@holomorphy.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 02 Jun 2002 01:23:26 -0400
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My guess would be yes. Since the P4 and the P4 Xeon is the same core
chip. The Xeon's just have more cache.

--Lou


On Sun, 2002-06-02 at 01:12, Austin Gonyou wrote:
> Does anyone know if the P4 Xeon's use HT as well, or is it mainly for UP
> DP boxes?
> 
> 
> 
> On Sat, 2002-06-01 at 22:04, Davide Libenzi wrote:
> > On 1 Jun 2002, Louis Garcia wrote:
> > 
> > > I was just thinking about that. Do you now if this has a real speed
> > > improvement?
> > 
> > intel claims up to 30-40% but i've never tried it. the bottleneck is that
> > they share fsb and cache but in any case having an extra exec-path might
> > help more than demage. this is for your sleepless nights :
> > 
> > http://www.intel.com/technology/itj/2002/volume06issue01/art01_hyper/vol6iss1_art01.pdf
> > 
> > 
> > 
> > 
> > - Davide
> > 
> > 
> > -
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