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Subject: Re: More Shredder 8 vs Crafty 19.13 (with PGN)

Author: Uri Blass

Date: 05:35:21 05/29/04

Go up one level in this thread


On May 29, 2004 at 08:07:09, James T. Walker wrote:

>On May 29, 2004 at 05:47:27, Uri Blass wrote:
>
>>On May 28, 2004 at 19:22:57, James T. Walker wrote:
>>
>>>On May 28, 2004 at 18:34:28, Jorge Pichard wrote:
>>>
>>>>I'm starting to suspect that Shredder 7.04 and 8 are optimized for Athlon 1200
>>>>MHz, as the cpu speed increases the performance is not as good as when I tested
>>>>using my 1.2 Ghz. After 20 games crafty only scored 3.5 to Shredder 8 16.5.
>>>>
>>>>Jorge
>>>
>>>And I'm starting to suspect that Crafty needs about 2-3M nps to play well.
>>>:-)
>>
>>Why?
>>Is there a difference between 2-3M nps at 20/60 and 200-300 Knps at 200/60?
>
>Yes a very big difference.  My time control was 20 moves in 60 minutes
>(3min/move).  Do you see the difference now?

Yes
I understood your time control wrong.

It is still about nodes per move but if Crafty needs 3 minutes per move to play
well on fast hardware then it is going to need significantly more than it on
slow hardware.

Uri



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