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Re: [Bug-gnubg] TEST RESULT: Variance Reduction

From: Joern Thyssen
Subject: Re: [Bug-gnubg] TEST RESULT: Variance Reduction
Date: Mon, 7 Jul 2003 07:37:34 +0000
User-agent: Mutt/1.4.1i

On Sun, Jul 06, 2003 at 11:38:13AM +0200, Jim Segrave wrote

> I've just been looking at this as part of my implementation of
> extending rollouts (I have it working for chequer play but not yet for
> cube decisions and I need to add some things so that saving a match
> will save the rollout info so that you can extend a rollout of a saved
> match. I expect to be commiting later this week.

I don't know if this is related to your problem, but RolloutGeneral and
BasicCubefulRollout are probably overly complex since they allow the
input of multiple cubeinfo's. There is no gain in speed from this, so we
could remove it to make the routines a bit less complex (i.e., avoid all
the loops over cci).

The only place where gnubg is called with multiple cubeinfos is
GeneralCubeDecisionR, which is easily fixed by calling RolloutGeneral
twice instead.

I can do the necessary changes, but I won't like to introduce merge
conflicts into your work so I'll await your "go".


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