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Subject: Re: Correction, Sorry Re: Is the NPS tend to grow at the end of the game?

Author: José de Jesús García Ruvalcaba

Date: 11:22:16 07/24/00

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On July 23, 2000 at 23:33:35, leonid wrote:

>On July 23, 2000 at 21:08:04, Eelco de Groot wrote:
>
>>Sorry, I believe I got it wrong and hash-table hits don't count for NPS, so that
>>"more transpositions" effect can't be read from the nps numbers and also the
>>part of my post about Crafty's EGTBs doesn't make much sense then.
>>Transpositions wouldn't show up in NPS. But if Leonid was more looking at
>>differences in solution times with few or many pieces on the board and if he
>>doesn't have transposition/hash tables implemented yet in his program, the
>>higher number of transpositions because of the few pieces on the board would be
>>a likely explanation for commercial programs being faster there.  In solution
>>times at least, that is.
>>
>>Eelco
>
>Just by curiosity, I went to try on Rebel and Fritz 6 (from Hiarcs 7.32) few
>positions. In Rebel I was capable to see the NPS counter without any hash table
>and later (same position) with big hash table. Difference was only in some 2%.
>With Fritz it was more difficult and less perfect, since you can't cut its hash
>100%. Anyway, with Fritz I saw the same trend. Hash (after 5 positions that I
>tried) change almost in nothing NPS.
>
>Leonid.

Hi Leonid,
	«the Game» needs a transposition table. It will make wonders for it.
José.



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