Author: Amir Ban
Date: 15:32:43 06/04/03
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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. Amir
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