Author: Andrew Dados
Date: 15:11:59 02/04/04
Go up one level in this thread
On February 04, 2004 at 18:00:18, Slater Wold wrote: >On February 04, 2004 at 17:46:28, Andrew Dados wrote: > >>On February 04, 2004 at 17:34:33, C McClain Morris, Jr. wrote: >> >>>How did you go about determining hash table size for Crafty on that hardware in >>>the tournament? Is there a formula you use for determing hash table size for >>>various time controls? And, by the way, congratulations. >> >>Hash table formula is simple: As big as you can without OS paging. Has nothing >>to do with time controls of the game. Where did that urban legen start? >> >>-Andrew- > >Perhaps for tournament length games. Not so for blitz. > >Imagine using 4GB of RAM, in a 1/0 game. Whats wrong with that? Imagine you'll have 3000 Ghz processor one day and 10ns memory latency... I understand there is some practical, minimal HT size beyond which more HT brings no appearent effect and it depends on nps and game time control. However one can't go wrong with my formula (see above). -Andrew-
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