Author: Uri Blass
Date: 05:49:02 06/14/04
Go up one level in this thread
On June 14, 2004 at 07:51:05, Tord Romstad wrote: >On June 13, 2004 at 21:47:15, Robert Hyatt wrote: > >>If you only get 3% better after making yours bigger, somehow you and I are doing >>something so completely different that it boggles the mind. I got 10% faster >>going from 3/4M to 12M in the above. 20% going from 12K to 768K. >> >>Those are all current crafty on a Sony VAIO 750mhz laptop. > >Here are my results for a 13-ply search from the opening position with the >number of entries of the pawn hash table varying from 1 to 2^17. The first >column is the size of the table, the second column is the time (in seconds): > > 1: 39.30 > 2: 33.34 > 4: 32.64 > 8: 31.92 > 16: 31.02 > 32: 30.48 > 64: 30.00 > 128: 29.43 > 256: 29.10 > 512: 28.70 > 1024: 28.30 > 2048: 28.19 > 4096: 27.94 > 8192: 27.71 > 16384: 27.57 > 32768: 27.38 > 65536: 27.23 >131072: 27.48 > >The curve flattens out very quickly, as you can see. > >Tord It may be interesting to know if there is a bigger difference if you search to depth 15 from the opening position. Uri
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