Author: Robert Hyatt
Date: 10:57:03 08/15/05
Go up one level in this thread
On August 15, 2005 at 13:12:25, Gregory Owett wrote: >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? whatever 4 875 opterons go for, plus probably another 1500 US dollars for the 2U rack-mount chassis, a disk drive, and memory...
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