Re: [Bug-gnubg] Two patch sets - one for Joseph Heled

[Joseph Heled]

Implemented. See EvaluateFromBase in lib/neuralnet.c

-Joseph

David Montgomery wrote:
> > I think there's a lot more performance to be gained, but it may be
> > harder work - the biggest time consumers are the setting up of the
> > neural net inputs and the evaluation of the net itself, neither of
> > which are trivial to change.
>
>
> Here's one idea for speeding up network propagation.  
>
> Since most evaluations are of a position very similar to the 
> previous evaluation (e.g., for checker plays), the inputs are 
> mostly similar as well.  So it may be faster to just update the 
> net with the *differences* in the inputs, rather than starting 
> fresh each time.  One could do this either by looking at the 
> diffs between this position and the last evaluated, or the do all 
> checker plays by looking at the diff from the starting position.
>
> If anyone wants to look into using this idea, let me know and I'll 
> send you code that implements it for the raw board encoding.
>
> David
>
>
>
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