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Subject: Re: Test position ==> Aristarch 4.4 vs Tao 5.4 [from WinBoard Forum]

Author: Gian-Carlo Pascutto

Date: 14:01:42 08/07/02

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On August 07, 2002 at 16:52:40, Bas Hamstra wrote:

>Vincent claims you can get 40% extra from 2 CPU's by just letting 2 processes
>search the same position and just and only share the hashtable. Of course you
>need to lock the shared hash, else "race conditions".

You get less than 20% unless you throw out nullmove or make special
adjustments to make the algorithm work better (but your search overall
worse).

--
GCP



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