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Re: [Bug-gnubg] Gnubg's Cache and Plies > 3 - problem?


From: Jonathan Kinsey
Subject: Re: [Bug-gnubg] Gnubg's Cache and Plies > 3 - problem?
Date: Tue, 1 Sep 2009 19:37:14 +0000

Although I made a slight change, it was always the case that these where stored,
the comment was just out of date...

Jon

Michael Petch wrote:
> I have some test that are running. I decided to review your code. Not a bug
> report, just an FYI for anyone who might be doing testing. If your review
> this cache change we are now removing noise (good) and adding fJacoby and
> fBeavers. This is good news, however people should be aware that analyzing
> money games (no matter what ply) may start to see variations when with
> Jacoby and Beavers on. I would say if people see changes in money play
> positions, that they might be attributed to this change. The changes should
> be an improvement over what GnuBG would have given as a result before.
>
> Old key layout:
>
> int iKey;
> /*
> * Bit 00-01: nPlies
> * Bit 02 : fCubeful
> * Bit 03-10: rNoise
> * Bit 11 : fMove
> * Bit 12 : fUsePrune
> * Bit 13-17: anScore[ 0 ]
> * Bit 18-22: anScore[ 1 ]
> * Bit 23-26: log2(nCube)
> * Bit 27-28: fCubeOwner
> * Bit 29 : fCrawford
> */
>
> New key layout:
>
> int iKey;
> /*
> * Bit 00-03: nPlies
> * Bit 04 : fCubeful
> * Bit 05 : fMove
> * Bit 06 : fUsePrune
> * Bit 07-11: anScore[ 0 ]
> * Bit 12-16: anScore[ 1 ]
> * Bit 17-20: log2(nCube)
> * Bit 21-22: fCubeOwner
> * Bit 23 : fCrawford
> * Bit 24 : fJacoby
> * Bit 25 : fBeavers
> */
>
> On 01/09/09 12:29 PM, "Jonathan Kinsey" wrote:
>
>> I've checked this in.
>>
>> Jon
>
>
>
>
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>





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