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

Author: Jorge Pichard

Date: 05:50:50 05/29/04

Go up one level in this thread


On May 29, 2004 at 08:35:21, Uri Blass wrote:

>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


With Dr. Hyatt using an 8x AMD Opteron for the next World Championship, it will
have an equal chance against Shredder 8 with a Dual or Quad Intel Box:-)

Jorge



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