Author: Frank E. Oldham
Date: 16:23:00 08/15/05
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On August 15, 2005 at 13:57:03, Robert Hyatt wrote: >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... Sun sells one for about $30,000 -- ;-) Frank
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