Author: Ernst A. Heinz
Date: 01:42:06 05/29/98
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On May 28, 1998 at 20:01:08, Enrique Irazoqui wrote: > >On a PII/300 > 100MB 50MB 25MB >BS2830-14 208'' 224'' 301'' >BT2630-09 404'' 406'' 435'' > > >On a P200MMX > 100MB 40MB 22MB >BT2630-09 524'' 560'' >Fritzmark 174 156 154 > >Chessbase claim that by increasing hashtables from 40 MB to 100 MB on a >P200MMX, Fritz 5 is 50 Elo points stronger. It doesn't make sense to me >that doubling RAM has the same effect as doubling the processor speed. >After the times above, maybe going from 25 to 100 MB hash Friz 5 can >become some 20 points stronger. The long-standing rule of thumb in the computer-chess literature states that each doubling of hash-table size gives you about 7% better performance (see e.g. Hsu's Ph.D. thesis). =Ernst=
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