Author: Robert Hyatt
Date: 18:31:51 01/09/04
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On January 09, 2004 at 18:08:33, Frank Quisinsky wrote: >Hi there, > >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? > >Best >Frank If the program supports parallel search, you can expect to see your raw NPS go up from 0% to 30%. I have been getting 20% in the past, but I have made some changes and have not tested recently. If your raw NPS increases 30%, your overall search time to a specific depth ought to drop by maybe 20% if the parallel search is reasonably efficient.
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