Author: Vincent Diepeveen
Date: 17:43:24 05/14/04
Go up one level in this thread
On May 14, 2004 at 08:23:41, Robert Hyatt wrote: The difference between some cc-NUMA machines and clusters is only the fact that the first one uses software from SGI and the second one from IBM. It's just a software layer. >On May 13, 2004 at 23:58:43, Vincent Diepeveen wrote: > >>On May 13, 2004 at 12:46:29, Robert Hyatt wrote: >> >>>On May 13, 2004 at 07:47:32, Vincent Diepeveen wrote: >>> >>>>On May 13, 2004 at 03:09:22, Joshua Shriver wrote: >>>> >>>>>Question is... are they going to run a parallel based chess engine on it :) >>>> >>>>Only diep would run at it, and they didn't approach me. >>> >>>I can't _possibly_ imagine why "they don't approach you." >>> >>>Also you do know this is a cluster? Not a NUMA box? >>> >>>Of course you did. >>> >>>I'm sure your program does _great_ on a message-passing cluster... >> >>May i remind you your message passing cluster you get there has a faster one way >>pingpong latency than origin3800 at 512 processors.... > >May I remind you that NUMA and clusters are _two_ different things??? > >Or is it pointless??? > >Clusters have _zero_ shared memory. > > >> >>> >>>> AFAIK their only plan is >>>>to build a 50 tflop machine for 50 million dollar and the rest is unclear. >>> >>>Nothing is unclear at all. Oak Ridge is one of our national labs, just like Los >>>Alamos, Lawrence-Livermore, etc. They always strive to "push the envelope" >>>although this world of "clusters" is not as interesting as the old days of "real >>>super-computers"... They have applications that run for months at a time. And >>>they'd like to increase the size of the data but that would push the >>>applications into years of run-time. Faster processing demands is what is >>>driving this. >>> >>>But anyone could find that out by looking around or asking...
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