Author: Anson T J
Date: 16:06:38 06/04/03
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On June 04, 2003 at 18:32:43, Amir Ban wrote: >On June 04, 2003 at 14:54:30, Anson T J wrote: > >>Has anyone noticed if you do engine matches with Junior 8 / Deep Junior 8, ZX, >>YY (any of them). If you set 1 thread per engine (on a dual machine), they share >>1 cpu with a net cpu usage of 50% !! >> >>Deep Fritz 7, Shredder 7 / 7.04 and all other SMP engines I know of don't have >>this problem. >> >>I guess the Junior 8 engines fix the affinity of the single cpu setup meaning in >>an engine match or tournament they share the same cpu instead of using one each. >> > >Didn't think of this, damn. > > >>Any fixes known? >> > >The problem should come up whenever running one DJ version against another with >no. of threads set to less than no. of processors. I can't think of any >workaround. I should get rid of processor affinity in that case. I think thats the best solution. If you could address that problem it would greatly facilitate testing of the Junior 8 engines :) I had to keep them out of tournies because they kept ending up performing below expectation due to poor cpu utilisation. > >Amir Would you be able to fix this bug soon please? regards, Anson
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