Author: Robert Hyatt
Date: 17:13:16 05/17/00
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On May 17, 2000 at 19:49:51, José de Jesús García Ruvalcaba wrote: >On May 17, 2000 at 18:03:46, Robert Hyatt wrote: > >>On May 17, 2000 at 15:33:13, Peter Hegger wrote: >> >>>Hello >>>Bob, I was wondering how many nps you will expect to hit when you get crafty up >>>and running on the Beowulf cluster. >>>Have you an approximate time frame when you think you may have the beast going? >>>Or, is that something that is unpredictable at this point? >>>Thanks, >>>Peter >> >> >>It is unpredictable. There are lots of things to do... but obviously it >>ought to hit 10M nodes per second. Whether that is 10x faster than my >>normal search on a single quad is very doubtful. But I don't think that >>hoping for 50% efficiency is out of line... which means an effective speed >>of 5M. And this is based on the current cluster. Another 8 quad xeons are >>due in this Summer, for a total of 18. That just might really hit 10M useful >>nodes per second. >> >>But lots of things are left to play with, like shared vs local transposition >>tables, carefully scheduling positions on nodes that have seen them before, >>etc... > >How portable will the message-passing code in crafty be? >Any hope of seeing it in action in Sun clusters, for example? >José. My plan is to use PVM, so yes, it will work on any Unix box, as well as under NT.
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