Author: Eugene Nalimov
Date: 16:42:54 08/15/05
Go up one level in this thread
On August 15, 2005 at 19:23:00, Frank E. Oldham wrote: >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 Look, for example, at www.pcforeveryone.com. 4 sockets 2.2GHz dual-core Opteron server costs ~$16k. 8 sockets 2.2GHz dual-core Opteron server costs ~$37k. Thanks, Eugene
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