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Subject: Re: Dual Xeon 2.8 GHz, Crafty 19.09 bench, cann't understand it (part 1) ...

Author: Gian-Carlo Pascutto

Date: 14:28:24 01/14/04

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On January 14, 2004 at 17:13:04, Frank Quisinsky wrote:

>Shortly:
>If I read your answer ...
>That's means that I can set on Dual Xeon for SMP Eng - SMP Eng with ponder
>_not_ MT=2 ?!

You cannot in any case.

You only have 2 *real* CPUs, remember?

>Right is (if I understand):
>SMP Eng - SMP Eng with ponder ... I have to set MT=1 and I have to set
>Hyper-Threading under Windows XP SP1 = off ?!

Yes.

>Under Windows 2003 Server:
>SMP Eng - SMP Eng with ponder ... I have to set MT=2 and I can set
>Hyper-Threading = on !?

No.

You can set HT=on, but you can never play two SMP engines against
each other with pondering on, unless you tell them to only use 1 CPU.

--
GCP



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