Author: Vincent Lejeune
Date: 07:33:08 01/16/00
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On January 15, 2000 at 11:27:10, Robert Hyatt wrote: >On January 15, 2000 at 08:31:26, David Blackman wrote: > >>On January 15, 2000 at 01:20:28, Robert Hyatt wrote: >> >>>It is time for my next project. Today I finished the PO for a new beowulf >>>cluster machine here. This machine will have 8 nodes, with each node being >>>a quad xeon 550mhz machine. The nodes will be connected by a gigabit/sec >>>switch. And no, it won't be crafty's permanent machine. But look for it to >>>do some interesting matches on ICC later this year when I get to the >>>distributed search. :) >> >>Bob Hyatt does distributed processing? That's something not many people >>expected. > > >I figured everyone knew I did this. I had a distributed version of Cray >Blitz. > > >> >>Distributed processing is something not many programs have used well, or even at >>all. I think there was something called Sun Phoenix back around 1985? Was >>Shaeffer involved? >> > > >There was sun phoenix. And cilkchess. And Waycool. And several others. >All running on "cubes" using message passing protocols. It is doable. DB >ran on a message-passing cluster (SP) don't forget. > > > >>And Deep Blue, but that thing had such an enormous amount of speed it is hard to >>say if the distributed processing was used well or not. I think Hsu published >>that he got 35x speedup with 100 cpus. I suspect that's not as easy to do as it >>sounds, but it also is not as good as you'd like. >> >>The few other examples haven't exactly set the world on fire. Bob Hyatt has been >>one of the people pointing out that efficient use of distributed processing is >>difficult or impossible. >> >>Bob was one of the first and still one of the most successful with small scale >>SMP (but maybe not for much longer ...). And Cray Blitz was probably the only >>program to make good use of a vector unit. Maybe after a bit of tuning and >>experimenting, we will see an efficient distributed processing chess program. > > >I hope so. 32 xeon processors offer a lot. 64 later this year will offer >more. :) I'm just reading a news : Hitachi plans quick move to 32-way Itanium servers at http://www.eetimes.com/story/OEG20000113S0014 I have automatically make a mental association between CPU, computer chess, distributed power
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