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Subject: Re: How Much Stronger is Deep Junior on 8 processors than a Pent III 500?

Author: Robert Hyatt

Date: 21:49:41 07/07/00

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On July 07, 2000 at 21:49:31, walter irvin wrote:

>On July 07, 2000 at 20:52:23, Robert Hyatt wrote:
>
>>On July 07, 2000 at 17:07:59, Jerry Adams wrote:
>>
>>>I have heard people say that against humans processor is not that significant
>>>after a certain speed
>>
>>I would suspect that DJ runs 5-6 times faster on 8 cpus.  Rough estimate.
>>That is a good ply deeper, plus a bit more...  maybe 100 Elo better against
>>computers.  Against humans I doubt it helps _that_ much.  Maybe 1/2 of that
>>or so is more reasonable..
>
>i wish crafty could be in this tourn .i believe crafty is stronger than junior
>and would score better . also what is the fastest machine that has ever run
>crafty ?????????


The best single-cpu machine was Tim's 21264.  at under 800mhz (600 or so I
think) crafty was hitting near 1M nodes per second.  I ran on a 16 cpu 21164
machine a year or so ago and hit 7M nodes per second in blitz on ICC.  I played
with that machine on ICC for an hour so so.

Intel/AMD don't have anything that is within 1/3 the speed of the alpha...  at
least for Crafty.  And note that Tim's machine was a _slow_ 21264 and it was
faster than anything out (single cpu) by a factor of 4 or so.



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