Computer Chess Club Archives




Subject: Re: typical nps on single cpus

Author: Will Singleton

Date: 09:20:21 02/13/00

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On February 13, 2000 at 06:57:16, Dan Newman wrote:

>On February 13, 2000 at 03:35:50, Will Singleton wrote:
>>I am always interested in the nps kibitzed by programs playing on ICC.  You can
>>never be sure as to the accuracy, since one can fiddle with the numbers.  But I
>>was surprised the other day to see an amateur program getting in excess of 1
>>million nps on a 700mhz machine.  Many amateur progs get around 100knps or less.
>>Just wondering.  Anybody get close to or more than 1000 nps per mhz?
>Shrike gets about that.  A month or so ago it was hitting 530 knps on a
>PIII/500, but now it's down to 490 after adding a bunch of eval.  (These
>figures are average over WAC.)  It maxes out at about 750 knps--when there's
>only one pawn left :).  So I guess I'm at about 980 nps/MHz and going down...

What do you do to get that speed?  Bitboards, slim eval, anything else?


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