Author: Frank Quisinsky
Date: 16:26:34 01/09/04
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On January 09, 2004 at 18:46:23, Thomas Mayer wrote: Hi, Windows 2000 don't support hyperthreading! Windows XP _Home_ supported hyperthreading for an single Xeon / newer P4 processors but not for an dual Xeon system. You have to used Windows XP Professional. OK, this information is quiet plain for me but I don't believe that a program which get 100% CPU time (Xeon Dual System, engine-engine match with ponder) will get more speed unter Windows XP Pro with Hyperthreading = On! If so, I have to buy a new OS because I use Windows 2000 SP4 without hyperthreading (don't aktivated in my bios so far). I believe with hyperthreading = On the engines are 0% faster and SMP compatible engines are a little bit slower (I am not sure). It's very interesting for me. I am not sure to buy Windows XP Professional! Best Frank
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