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AI Challenge Forums • View topic - me vs me

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me vs me

Code won't compile? Found a bug? Post here!

me vs me

Postby barabanus » Tue Nov 09, 2010 12:35 pm

Today my bot played vs my bot.

In the profile I got 1 win and 1 loss simultaneously =)

Interesting observation: my bots show exactly similar behavior until one of them didn't get more time than another.
At the end one of the bots timeouted (they couldn't crash), though I limited them to 0.75 sec.

Time conditions are not equal at all.
barabanus
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Re: me vs me

Postby iouri_ » Wed Nov 10, 2010 2:20 pm

How are you limiting the bot's run time? Are you using wall clock or CPU run time? The contest uses wall clock. I.e. it's more accurate to use gettimeofday() rather than clock().

Also this means that the bots sometimes will not get exactly the same amount of CPU time per turn, though over tens of thousands of turns this should average out to a reasonably equal opportunity to use CPU.
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Re: me vs me

Postby barabanus » Wed Nov 10, 2010 8:56 pm

I use exactly gettimeofday() (after reading some posts on timeout issue).
Looks like sometimes a bot process may starve CPU for more than 0.25 secs.
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