Author: Vincent Lejeune
Date: 15:25:42 12/16/04
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On December 16, 2004 at 17:31:10, Scott Gasch wrote: >On December 16, 2004 at 14:46:33, Dann Corbit wrote: > >>On December 16, 2004 at 03:37:46, Gian-Carlo Pascutto wrote: >> >>>On December 15, 2004 at 22:24:49, Alex wrote: >>> >>>>Of course it would be foolish to buy a New computer now...... Micrsoft is going >>>>to present a 64 bit OS nest year, the Christmas prices of new computers will >>>>drop like a BRICK by Jan 1.......... But ! Let us speculate.... Hmmmmmmmmmm >>>>What will 64 bit DO for chesss programs ....Yes yes I KNOW AMD has New processor >>>>that does 64 bit..... but what is the difference ..reallY? D >>> >>>Speed. >>> >>>You can expect programs to get 10-60% faster from 64 bit mode. >>> >>>This is in addition to the Athlon64 already being so fast in 32 bit mode. >> >>Another potential advantage is the large address space. >> >>With terabytes of ram directly addressable, potentially totally new solution >>ideas may be formulated. >> >>For instance, you could memory map the 3-4-5 man tablebase files and lose the >>disk access penalty. That might make them give a large Elo boost, while the >>disk access method for 32 bit systems seems to be about break even. >> >>You could have 20 GB hash tables. >> >>You could store (in ram) a large tree of every chess game ever played together >>with statistical information on each node. > >...of course this all assumes you have a machine with 20Gb of physical memory >and a chipset that supports that much RAM. Until the cost of memory comes way >down, you won't see me mapping EGTB files (compressed or not) into memory. :) > >Scott I'd suggest 2 pen drive USB like this : http://www.supermediastore.com/pendrive-4gb-flash-drive.html Yes, no that cheap, but all 3-4-5 egtb way faster than disk
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