Author: Uri Blass
Date: 08:29:42 01/17/02
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On January 17, 2002 at 11:00:44, Ulrich Tuerke wrote: >On January 17, 2002 at 01:30:31, Harald Faber wrote: > >>After having changed the hash size from 200MB to 56MB due to some >>recommendations here (104MB hash are recommended for Athlon-1000, so 56MB should >>be the right size for my Athlon-500), Gandalf 5 performed much better in this >>match and reached a 4.5-5.5. Although the start was all but convincing with >>1.0-4.0. One does not forget here that Hiarcs 7.32 is a bit weaker and less >>dangerous opponent than Junior 7, Shredder 6 and Fritz 7a, it is still unclear >>whether Gandalf plays better with this hash size. IMO this should not make such >>a difference, but who knows? Electricians say "Women and currency go strange >>ways." :-) >> >>Next match starting in a few minutes is vs. Fritz 6a. > >I think, you shouldn't assume a causal relation between shrinking the hash table >size and the results after this. > >Assume you would have gone out to wash your hands, and after you're back Gandalf >does the turnover. Would you think that washing your hands was the reason for >the improvement. -:) > >We shouldn't be fooled by statistical fluctuations. > >Uli It is different. It is clear that washing your head does not change the strength of the program. It is not clear that gandalf has no bug with too big hash tables. We saw no proof that gandalf is better with lower hash tables but we saw enough to suspect that it may be the reason. Uri
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