Author: Uri Blass
Date: 00:20:10 10/07/01
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On October 07, 2001 at 02:31:31, B FINKLER wrote: >Tiger only uses 48 96 and 192 meg hash tables. In Fritz6 interface loading >128 meg gets you 96 meg with Tiger and loading 255 meg gets you 192 meg. Why? >I dont know, but 96 meg is all you will ever need in all but the longest of >games. 192 hash actually slows down the system do to long hash search times. 1)He is not interested in blitz games so this is not relevant. 192 hash is supposed to be slightly better than 96 mbytes. 2)Tiger can use only the options of 3,6,12,24,48,96,192 Mbytes hash tables. The reason is probably based on the structure of the chess program that gets only powers of 2. I guess that it is using 12 bytes per position in the hash tables and the number of positions in the hash tables is always a power of 2. In this case 3 Mbytes means 2^18 entries in the hash table. Uri
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