Author: John Merlino
Date: 08:55:09 09/20/02
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On September 19, 2002 at 02:03:00, Mike Byrne wrote: >On September 18, 2002 at 20:21:31, John Merlino wrote: > >>On September 18, 2002 at 19:34:03, Javier Ros Padilla wrote: >> >>>The default selective search in CM9000 is 9, while it was 6 in CM8000. >>>So it seems that default settings are changing in the direction of Kurt Utzinger >>>ones. >> >>The reason is that the average CPU is getting faster. Most of Kurt's testing (as >>well as the testing of just about everybody else who is a computer chess >>hobbyist) was done with top-end CPUs (for the time). The default selective >>search setting for CM has always been a bit behind the cutting-edge because our >>typical user does NOT have a cutting-edge CPU. But, now that P4s are more >>common, we split the difference and went with 9 (Kurt used 12 almost >>exclusively, I believe). >> > >John, > >Are you suggesting, that if you have a top end CPU - 1.5 Ghz+ , that selective >search of 12 might be better? > >Mike It depends 100% on the time control, and another 20-30% on the personality settings. :-) A selective search of 12 in anything faster than tournament time controls could very likely be a disaster, even on the (current) fastest machine. jm
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