Author: Scott Gasch
Date: 14:31:10 12/16/04
Go up one level in this thread
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
This page took 0.01 seconds to execute
Last modified: Thu, 15 Apr 21 08:11:13 -0700
Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.