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Subject: Re: WCCC Hardware

Author: Gregory Owett

Date: 10:12:25 08/15/05

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On August 15, 2005 at 11:22:28, Robert Hyatt wrote:

>On August 15, 2005 at 11:03:54, Keith Hyams wrote:
>
>>Does anyone know if/where a list of the hardware that the programs are using has
>>been published? Details of version numbers would be interesting too.
>>                        Regards
>>                            Keith
>
>
>No.  No published list.  Reasons unknown.
>
>I'll start the ball rolling however:
>
>Crafty version 19.20, running on an AMD quad 875 machine.  These are 2.2ghz
>processors with dual-cores.  So it appears to be an 8 cpu machine.  Technically
>it is a 4-node NUMA architecture where each node has two processors, each has
>1024kb of L2 cache...  Typical search speeds are around 16.0 million nodes per
>second.  Typical search depth hovers around 16 plies or so, +/- 1 depending on
>the complexity of the position.  Far deeper in the endgame of course.
>
>We have the 3-4-5 piece endgame tables.  I'm probably going to add a couple of
>useful 6 piece files like krpkrp and kqpkqp...

Can you say the approximate price of such a machine?



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