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Re: [Bug-gnubg] Wildly different evaluations by CRASHED network


From: Joseph Heled
Subject: Re: [Bug-gnubg] Wildly different evaluations by CRASHED network
Date: Sat, 06 Jul 2002 12:49:58 +1200

 

I am fully aware of the deficiencies of the "crashed" net. Still, I think it is
an improvement over the previous state. Not only does the crashed net understand
"it's" positions better, the generic contact net is not burdened by
understanding them.

Is it possible to develop a better net(s)? Definitely. Can we do it? I am not
sure.

The first hurdle, IMHO, is to develop a benchmark for comparing two nets to
determine if one is better than the other. There is just one currency that
counts in BG - making good decisions in move selection and cube handling. So, a
good level 1(*) benchmark would be to take (say) 100K positions, rate the 5 best
moves using a rollout, verify the correct cube decision with a cubefull rollout,
and save those in a file. (the actual details and numbers, while tedious, can be
worked out later). To do that we need a considerable amount of cycles - so -
lets see how many mips can we come up with. I can offer around 700 bogomips.

-Joseph

(*) level 2 would be to take the better net and repeat the process.



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