Author: Robert Hyatt
Date: 07:01:14 10/06/99
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On October 06, 1999 at 04:21:31, Eelco de Groot wrote: >Robert, Eugene, what does prevent Crafty of adopting the better search of Cray >Blitz? I understand there are big architectural differences but what do you >think would be the main factor? > >Thanks for any comments, > >Eelco > > Not a thing. IE I have been experimenting with singular extensions (used in Cray Blitz) off an on. I just haven't found anything that I particularly like yet... But you can bet that nothing inside cray blitz will be lost, except for the vectorizabile stuff that will perform very poorly on a PC. But other search ideas used there will eventually be tried in Crafty... >On October 06, 1999 at 01:43:31, Eugene Nalimov wrote: > >>464 will have multithreading on chip. That will help Crafty even more, as that >>will help to mask L2 cache/memory latencies... >> >>Eugene >> >>On October 06, 1999 at 01:41:14, Dann Corbit wrote: >> >>>On October 06, 1999 at 01:02:29, Robert Hyatt wrote: >>>[snip] >>>>Probably... although the search of Cray Blitz is better (selective stuff on the >>>>end, plus singular extensions and some chess-specific threat extensions as >>>>well). But a 16 cpu 21264 could easily hit 16M nodes per second... >>> >>>COMPAQ (The artist formerly known as DEC) makes a 32 CPU version. >>> >>>I keep thinking of what it could do with that many 21464's.
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