Author: Uri Blass
Date: 06:44:39 07/24/03
Go up one level in this thread
On July 24, 2003 at 09:23:33, Matthias Gemuh wrote: >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. I had a lot of cases when my program crashed but I never noticed a loss of data in my computer. I often do a small change and test to see if I did not generate a new bug and if the program crash then it proves that there is a bug that I need to fix. Am I lucky not to lose something important in this process? What is the probability to lose something important like the files of the source code of my program? Uri
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