Author: Uri Blass
Date: 06:36:04 06/17/03
Go up one level in this thread
On June 17, 2003 at 08:56:06, Kim Roper Jensen wrote: >On June 17, 2003 at 08:46:21, Uri Blass wrote: > >>On June 17, 2003 at 08:25:32, Kim Roper Jensen wrote: >> >>>Hi >>> >>>After reading the posts regarding hashtables, where Robert Hyatt and others show >>>that the most significant improvements is in the 24M-96M area I was thinking >>>about the whole hashtable thingie... >> >>I do not understand what is special in the 24M-96M that make it more important >>than the 6M-24M area and other areas that you multiply the hash size by 4. >> > >See this http://fortuna.iasi.rdsnet.ro/ccc/ccc.php?art_id=291166 > >taking a little out of context: "the speed break-even point seems to be around >96M for fine-tuning, or around >24M if you look only for large speedups. I think that there were not enough positions in that link. The results of being almost 3 times faster from doubling the hash size from 6 mbytes to 12 mbytes seems illogical to me. I also cannot learn that 96 mbytes are optimal and it may be dependent on the time control. Uri
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