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Subject: Re: Compressing disk and chess programs perfomance

Author: Dave Gomboc

Date: 00:06:16 01/20/00

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[Repost, because apparently the link got trashed somehow.]

Subject: Re: Compressing disk and chess programs perfomance
From: Dave Gomboc
E-mail: dave@cs.ualberta.ca
Message Number: 90155
Date: January 19, 2000 at 23:21:54
  In Reply to: Compressing disk and chess programs perfomance
  Message ID: 90145
  Posted by: Fernando Villegas
  At: ferdinan@cmet.net
  On: January 19, 2000 at 22:19:45

On January 19, 2000 at 22:19:45, Fernando Villegas wrote:

>Hi:
>I am somewhat scarce of hard diks room and so tempted to compress. Anyone has
>experience about the effect in chess programs perfomance?
>fernando

The newest tablebases are already compressed, and attempting to compress them
further won't really get you anywhere.  If you use tablebases, you should leave
them on an uncompressed area.  Other than that, a chess-playing program
shouldn't really be affected (reading in moves from an opening book should be
fast enough that it is irrelevant, unless your program is playing 200 moves per
minute on a chess server or something).  Obviously, the performance of a chess
database program running on a compressed disk is a whole different story
(potentially an ugly one!)

Dave




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