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SubjectRe: P4 hyperthreading
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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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