Computer Chess Club Archives


Search

Terms

Messages

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

Author: Bas Hamstra

Date: 14:40:43 08/07/02

Go up one level in this thread


On August 07, 2002 at 17:01:42, Gian-Carlo Pascutto wrote:

>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

In fact it is an intriguing problem. I wish I had a dual. On the other hand: I
like tournaments best when the competitors are on roughly equal HW. Is it
somehow possible to simulate a dual on a single? You have a dual? If not, how do
you do it?

Bas.






This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.