Author: James T. Walker
Date: 18:51:33 12/09/00
Go up one level in this thread
On December 09, 2000 at 00:47:07, William Penn wrote: >On December 06, 2000 at 17:04:15, John Merlino wrote: >[snip] >>-- Fixed a bug that would cause the "Positions" columns in the Thinking Lines >>window to display incorrectly after approximately 2.1 billion positions had been >>seen. These columns will now "wrap" their values (i.e. display incorrect data) >>after approximately 4.2 billion positions, but this is unavoidable. >[snip] >>jm > >FYI > >With CM6000 I often noted that the number of positions limit was about 2.1-2.4 >billion after which the counter reverted to all zeros. I never had a reason to >try to get the exact number. I sort-of assumed that was what you were talking >about with CM8000, but apparently not, because... > >I had occasion today to let CM8000 analyze a middlegame position and it ran to 2 >billion positions. So out of curiousity I let it go a ways further to see if >the counter would crash. It didn't. After 2,927,175,680 (almost 3 billion) >positions it was still happily counting away, and all systems appeared to be >working OK. At that point I aborted it. My impression was that it would count >on to infinity, but I didn't have the time to test that notion. :) Possibly the >count above 2.1 billion positions was inaccurate, but it appeared to be OK. >WP How long did it take to get to almost 3 billion? Jim
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.