Author: Dan Homan
Date: 07:20:48 06/01/98
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On June 01, 1998 at 09:21:05, Ernst A. Heinz wrote: >On May 31, 1998 at 10:17:51, Moritz Berger wrote: >> >>Fritz gets 23% on the 35 positions in the LCT II testsuite from a >>roughly 4-fold hash table increase from 12MB to 98MB (on P233MMX >>hardware). > >Good example for the validity of the generally accepted 7% rule per >doubling of transposition table size which I mentioned earlier ... > >Going from 12MB to 98MB is not a 4-fold but an *8-fold* increase >in size which is equivalent to 3x doubling. The 7% rule then predicts >a roughly 3x 7% = 21% better performance. Very close to your observed >23% for "Fritz5", isnt' it? > >=Ernst= Actually, the 7% per doubling leads to (1.07)^3 = 1.225 or a 22.5% increase which is even closer to the 23% observed :) - Dan
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