Author: Gabor Szots
Date: 22:34:22 03/30/00
Once I made experiments on how hash table size affects playing strength. I used BS-2830 test and LG2000 (I don't remember the version) for the purpose. On a Pentium 166 MMX I found that increasing hash table size from 4 MB to 8 and then to 16 increases Elo rating by 10 and 15, respectively. Increasing it to 32 probably would not have had any measurable effect at all. I know it also depends on how fast the machine is, what program is used, what time control is etc. but there must be some guidelines as to how much extent it is worth increasing hash at the cost of reducing memory size for other programs. By the way, can someone tell how playing strength is affected if I for example play flipper in the background (single processor machine)? Your comments would be appreciated. Gabor
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