Author: Chris Welty
Date: 03:05:10 09/07/04
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On September 07, 2004 at 01:54:13, Kurt Utzinger wrote: >On September 06, 2004 at 22:09:14, joseph soney wrote: > >>Ok. After all the threads of hash table settings, please let this be the end >>all, be all of all these threads. I've read every one from the old formula >>setting to the new set them as big as possible setting. Currently my hardware is >>AMD Dual 250 Operton with 1.5 gigs ozc pc 3200 ram. I've noticed that if I set >>my table bases fairly low, 48mb for 3 minute games, the program plays very >>strong. However, if I set it to the maximum, being 1024mb, it plays weaker. Am I >>setting this too high? I thought there was no too high? Can we please set this >>story straight. My current program is Shredder 8. I'm mainly interested in >>playing all time control types under 15 minutes. Ultimately I would like a hash >>table setting that plays great in one minute games and plays great in fifteen >>minute games, not different settings for every time control. Is this possible >>with Shredder? Any insight is appreciated. I am currently using Steve B's old >>hash table formula because it seems to play the best. Thanks. Are you looking for a hashtable size or a tablebase cache size? They're different. > > The positive influence of big hash table size is much > overestimated. If you want 1 Elo more, increase to > 128 MB hash, for 2 Elo more go to 256 MB hash and if > you want a further 2 Elo try 1 GB -:) > Kurt The influence of hashtable size is hugely engine- and time-control dependent.
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