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Subject: Re: Jonny-Movei results in the nunn match on AMD3000 ponder off

Author: Joachim Rang

Date: 03:19:02 07/23/04

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On July 22, 2004 at 12:56:49, Uri Blass wrote:

>Conditions:
>
>Jonny 256 mbytes hash
>Movei 64 mbytes hash(I suspect that more than it is counter productive for all
>time controls and even 64 mbytes is counterproductive for fast time control
>except very fast time control of 3 minutes per game or faster because in very
>fast time control movei does not waste time on clearing the hash because it
>assumes that it has no time for it and the old entries in the hash are still
>productive for better order of moves and movei does not suffer much from useless
>entries)
>
>Hardware A64 3000(2ghz)
>
>Movei-Jonny 36.5-13.5  at 1  minutes per game
>Movei-Jonny 34.5-15.5  at 2  minutes per game
>Movei-Jonny 33.5-16.5  at 3  minutes per game
>Movei-Jonny 27-23      at 4  minutes per game
>Movei-Jonny 23.5-26.5  at 10 minutes per game
>Movei-Jonny 2.5-3.5    at 20 minutes per game
>
>games played under winboard.
>It seems that Movei is simply weaker at long time control and it is not
>surprising because it has poor order of moves and bad use of hash tables.
>
>The surprise that I have so far is the good results of it in WBEC.
>
>Uri


what is a bit disturbing it, that you gave different Hash to different
opponents. As you wrote 256 MB is more than enough for a 1 0 game and perhaps
even hurts Jonny in the fast games (just a speculation).

regards Joachim



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