Author: Sune Fischer
Date: 02:11:15 04/13/02
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On April 13, 2002 at 02:21:38, David Dory wrote: >On April 13, 2002 at 00:37:45, Joe McCarro wrote: > >> >>>Hsu and team had ALREADY MADE A WORLD CHAMP - DEEP THOUGHT. Then they re-did it >>>with TWO more revisions, DB and Deeper Blue. Increasing it's hardware, which as >>>has been mentioned, is the biggest factor in chess computer improvement in the >>>past 20 years. (Try running Fritz on a real clunker CPU/system for a hoot!) >> >>Hardware: >>Wasn't it borne out that the software that had very knowledgable selective >>search made much greater gains with better hardware than the software that >>wasn't as "knowledgable". In other words, the programs with more of a brute >>force approach experienced diminishing returns with faster hardware whereas >>computers with allot of knowledge really took off with better hardware. From >>what I understand Fritz 7 has alot more knowledge built in unlike its earlier >>versions. Nobody really seems to know what knowledge was added to Deeper blue. >>Maybe it had dimishing returns maybe not. > >Nope. > >All programs experience diminishing returns with greater depth. The programmers >work harder and harder for a smaller increase in playing strength. Nevertheless, >it is hardware not software, that has provided the largest increase in chess >program strength in the last 20 years. That is a myth. You only have to take one look at the SSDF list to see there are significant improvements from version to version on the same hardware. -S.
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