Author: Robert Hyatt
Date: 14:59:07 09/07/01
Go up one level in this thread
On September 07, 2001 at 13:22:31, Jeremiah Penery wrote: >On September 07, 2001 at 09:51:29, Robert Hyatt wrote: > >>On September 07, 2001 at 04:24:24, Jeremiah Penery wrote: >> >>>On September 07, 2001 at 01:23:35, Joshua Lee wrote: >>> >>>>Recently in a response to my post about TYPP test set i was saying that someone >>>>can get a faster computer and that's not what Correspondence is about etc blah >>>>blah >>>> >>>>Well i mentioned the DEC Alpha with 512 Cpu's >>>>but apparently crafty and other programs will not work on this. >>>>What is the fastest system for Ferret or Crafty or any onther program that can >>>>be run on these unix type systems? >>>> >>>>What about Dual booting Something like this ? Deep Fritz only uses 8 cpu's what >>>>about other "Deep Programs"? What is the Ecentric Wealthy Chessplayers options >>>>here? What about the Quad 800Mhz Itanium ? >>>> >>>>Thankyou >>> >>>You could use a 32-CPU Alpha 21264C (1001 MHz/processor) machine. For Crafty, >>>this would probably run at some 30-40M NPS (about 30-40x faster than Bob's 4x700 >>>Xeon or a 2x1200 AMD machine). From what I can tell by looking at the product >>>specifications, these should be normal SMP machines, unlike the Alpha machines >>>with up to 512 CPUs, which are message-passing cluster machines. >> >> >>They are not quite SMP machines. The crossbar switch they use requires some >>programming changes... > >I know for sure then that the 16-CPU machines can be used, and they are SMP. :) >It was difficult from their webpages to tell whether the 32-CPU version was true >SMP or not. They definitely had a 16-way SMP box a couple of years ago. I don't know if they still make them or not. The 32-way boxes are not quite SMP. They are close, but there are _real_ performance issues in trying to share data.
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