Author: Matthias Gemuh
Date: 06:23:33 07/24/03
Go up one level in this thread
On July 24, 2003 at 03:09:52, Albert Bertilsson wrote: >After tracing a bug in Sharper for over a week I was starting to loose hope... >A ran 600 games with a debug version, no problem. >Switched to release version, after 579 games the bastard hanged =(. > >Would you consider releasing this engine version bad policy? > >Have you any known bug in your engine that you simply do not care about because >it occurs very rarely? > >I realize that it will not be easier to find the bug later, it's just that I >don't have the stamina to try and reproduce it again with the debug version, it >can take thousands of games =( > >As I write Sharper mainly to let it compete against other engines I have no >problem with giving away that one point in a thousand games, but I wouldn't like >to see Sharper excluded from tournaments because it's buggy. > >/Regards Albert What is "lost" in a crash is not only a tournament point, but possibly data on user's computer. If I read that my engine crashed somewhere, I feel like I have stabbed somebody in the back. I debug "crashes" by comparing updated vs. newly generated hash keys at several key points. I also compare lists of moves (in search) generated in 2 different ways. /Matthias.
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