Author: Robert Hyatt
Date: 13:16:06 03/17/03
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On March 17, 2003 at 14:24:36, Matthew Hull wrote: >On March 17, 2003 at 13:26:46, Robert Hyatt wrote: > >>On March 17, 2003 at 06:43:53, Jorge Pichard wrote: >> >>>On March 16, 2003 at 21:03:07, Jason Kasick wrote: >>> >>>>Anyone heard of Polywell computers, namely the ones with the AMD 2500 chips? >>> >>>Since for Chess the CPU is what really count, here is an economical PC. >>> >>>http://computers.cnet.com/hardware/0-1018-404-20837925.html?tag=txt >> >> >>the CPU is not the _only_ thing to look at. Memory bandwidth is another. A >>machine >>with a MB that supports interleaved memory will be somewhat faster, but >>generally somewhat >>more expensive as well. There are other issues too, of course. > > >Intel uses interleaved memory. What do SGI, IBM, SUN, use on their SMP >machines? And for Cray, what was "crossbar"? Depends on what you mean by "Intel uses interleaved memory". There were, in the past, plenty of dual MBs without interleaving. Cray also used interleaving. I ran on machines with up to 32-way (32 banks) interleaving. I don't know of any super-computer that didn't/doesn't use interleaving. I don't use SMP suns. SGI interleaves. IBM also does. I'd suspect big Suns do this as well but don't have access to any. > >Matt
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