Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Who is the champion in calculating perft?

Author: Paul Byrne

Date: 18:35:13 11/23/01

Go up one level in this thread


On November 22, 2001 at 15:52:22, Uri Blass wrote:

>The times of my program in calculating perft(number of legal games of fixed
>number of plies) are not bad.
>
>I get on p800 33 seconds for finding perft 6=119060324 in the initial position
>and also 33 seconds for finding perft 5=193690690 in another known position

G2K gets the same perft 6 on the initial position in 15.66 seconds on
a 1.2 GHz athlon.  It generates only legal moves, so the moves at the last
ply are not made/unmade.  There is some unused hash stuff in makemove that
could be removed if one were maniacal about getting this time down.  :)

-paul



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.