Author: Matthew White
Date: 16:16:34 01/09/04
Go up one level in this thread
On January 09, 2004 at 18:46:23, Thomas Mayer wrote: >Hi Frank, > >> is hyperthreading for Xeon processors interesting for computerchess? >> If yes, I must buy a new OS because Windows 2000 is not compatible to >> hyperthreading. >> >> I cann't believe that with 100% engine CPU power hyperthreading give me more >> power! For sure for different other software (grafic software and so on) but >> for computer chess? > >as usual: it depends. Of course the engine will get more nps on a Dual when >hyperthreading is activated and 4 threads (because we have 4 virtual CPUs) are >useable. And this depends on the engine. To use 4 CPUs with a dual you need the >server version of Windows 2000. Windows 2000 and Windows XP only support 2 CPUs. I'm using XP Professional on a 2x2.4 Xeon with HT enabled, and it shows 4 virtual CPUs. I believe that XP properly supports HT...
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