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Subject: Re: engine and infinite analyse with multivariation

Author: Marc D

Date: 04:43:35 03/28/05

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On March 28, 2005 at 06:19:57, Sylvain Eche wrote:

>Hi
>
>I've done a simple test on a position :
>with one line in infinite analysis the engines takes 2 or 3 second to reach 12
>depth.
>With 5 lines in infinite analysis it takes much more longer -> 10 second.
>
>I wondered how it works. I thought it was just show more of the line thought by
>the engine so it should not be slower to show 5 lines simultanously.
>
>How does it work ? do I Had an engine thread each time I add a line ? with one
>instance it is not possible to display 5 lines ?
>
>tnx

On showing more variation the cpu (depends on type and ghz) needs more time to
calculate. by 4 variations it should be no problem but with further more
variation lines the cpu gets slowed down.that is not true if you use cpus with
more threads.

regards
marc



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