Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: 64 bit --and chess of course

Author: Vincent Lejeune

Date: 15:25:42 12/16/04

Go up one level in this thread


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



This page took 0 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.