Author: Pham Minh Tri
Date: 04:25:04 12/03/01
Go up one level in this thread
On December 02, 2001 at 21:07:25, Robert Hyatt wrote: >On December 02, 2001 at 18:13:59, Kim Roper Jensen wrote: > >>Hi >> >>I just wondered if there was any chessprograms that could use really big >>hashtables, i got 2gigs of ram and i dont know any program that can use this >>amount. The highest that I know of is Chessbase progs with approx 818Megs or >>something close. > >The largest I have ever tried was 24 gigs on a Cray T90. Crafty has no >limit that I know of, other than what the operating system will allow. > > > >> >>If I understand it correctly there shouldnt be any real strength improvement >>when I use really big hashtables, but is the strength improvement approximating >>some limit, for hashtable-size inreasing towards infinity ?? > >Yes. Once the table is large enough to store everything you want to store, >making it bigger won't help any further. > Should someone think about diffirent ways of using big memory for next 5 years, say load all EGTBs into memory? :) > > >> >>i will try here to draw with chars what i mean: >> >>elo >>xxx| - - - - - - - - - - - - - - - >> | x xxxxxx >>100| x >> | x >> 50| x >> | x >> 10|x >> +------------------------------- tablesize in megs, kbytes ....... whatever >> 10 100 1000 10000 100000 +oo >> >>Please dont comment my artful chart :) >> >>With Regards >>Kim
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