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Re: [gnugo-devel] arend_1_32.4: hash_(re_)init for new game (revision of

From: Arend Bayer
Subject: Re: [gnugo-devel] arend_1_32.4: hash_(re_)init for new game (revision of gunnar_1_32.8)
Date: Fri, 12 Apr 2002 22:29:08 +0200 (CEST)

> I do like the fixed seed. 
> Here is one way to check if a seed is bad: Generate a great number of moves
> with different hash tables, and see if they produce the same moves. Even
> better, verify that the top-10 moves are the same, with same values. If this
> test works for 9 random seeds, and fails for one, we can assume (guess) that
> the one seed is bad, and managed to produce hash collisions.

Note that if you get one hash collision in maybe 10000 games, than the
seed is already a bad one. This would take quite some time to try out...


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