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Subject: Re: Hyper Threading and Chess

Author: Robert Hyatt

Date: 19:13:43 12/30/02

Go up one level in this thread

On December 30, 2002 at 19:39:23, Frank Koenig wrote:

>Two questions.
>
>One) Will Intel's HT technology be able to help chess programs above and beyond
>just allowing one CPU to appear as two?
>
>Second) If you are running XP, will HT require XP Pro instead of XP Home to take
>advantage of it?
>
>Thanks,
>
>Frank


I can't answer the last question....  As to the first, you can expect a parallel
searcher to run 20-30% faster using two "virtual cpus" than using one real cpu.

YMMV depending on the program however, as my numbers are numbers produced only
by Crafty on a 2.8ghz xeon...

• Re: Hyper Threading and Chess Christopher A. Morgan 00:08:54 12/31/02
  • Re: Hyper Threading and Chess Robert Hyatt 07:54:54 12/31/02
    • Re: Hyper Threading and Chess Christopher A. Morgan 11:54:49 12/31/02
      • Re: Hyper Threading and Chess Robert Hyatt 17:11:57 12/31/02
• Re: Hyper Threading and Chess Matt Taylor 20:38:08 12/30/02
  • Re: Hyper Threading and Chess Frank Phillips 05:36:14 12/31/02
    • Re: Hyper Threading and Chess Matt Taylor 10:07:20 12/31/02

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