Re: [Bug-gnubg] include 'MET used' in rollout results (export) ?

[Holger]

On Thu, 14 Aug 2003 06:43:39 +0000, Joern Thyssen wrote:
> On Wed, Aug 13, 2003 at 11:20:14PM +0200, Robert-Jan Veldhuizen wrote
> > Just a short, simple suggestion: would it be a good idea to let gnubg also 
> > include the MET being used for a rollout result (export) ? Sometimes this 
> > can make a significant difference in the results one gets. And maybe also 
> > include this for evaluation results?
> > 
> > I was also wondering whether the MET being used is stored 'internally' and 
> > in f.i. a SGF file, and if so, for the file (match, session) as a whole or 
> > seperately for each "move"? The latter would be the most complete and 
> > versatile, but perhaps it's overkill? I have no idea how gnubg is handling 
> > this at the moment.
> 
> This is somewhat difficult due to the flexibility gnubg allows. If you
> could only choose among a fixed set of METs then we just need to store
> the number of the one used, but gnubg allows you to choose an
> arbitrary MET. So in order to store which one used, we need to score the
> entire MET! Each MET is 1-10kb, so adding it to all moves will require
> either lots of work or lots of memory.

What about hashing the known ones and saving a checksum only? And
maybe it doesn't have to be for every single move.

Regards,

        Holger