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Subject: Re: P4 hyperthreading
From: Austin Gonyou <austin@digitalroadkill.net>
To: Davide Libenzi <davidel@xmailserver.org>
Cc: Louis Garcia <louisg00@bellsouth.net>,
        William Lee Irwin III <wli@holomorphy.com>,
        Linux Kernel Mailing List <linux-kernel@vger.kernel.org>
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Date: 02 Jun 2002 00:12:28 -0500
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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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