You say radius = 3, then 3x3 patterns. Which is it? Radius 3 would be 5x5 to 7x7, depending on how you define the radius.
David > -----Original Message----- > From: [email protected] [mailto:computer-go- > [email protected]] On Behalf Of Petr Baudis > Sent: Saturday, January 02, 2010 4:49 AM > To: computer-go > Subject: [computer-go] Pattern radius, fast probability player > > On Wed, Dec 16, 2009 at 08:57:24PM +0100, Rémi Coulom wrote: > > The problem is that I am not using the same set of features for > > biasing the tree, and for playouts. Playouts only use fast light > > features. The tree part uses slow complex features. In particular, I > > use patterns of radius 3 and 4 in the tree, and only radius 3 in the > > playouts. When 3x3 patterns are learnt together with r=4 patterns, > > they get different gammas. > > Interesting, your paper said that you are using patterns up to r=10, > did you find out that anything larger than r=4 is irrelevant in > practice? > > I have trouble even *nearing* the performance you reported; you say > you can play 13500 games per second, do you have any data on how fast > your engine runs with uniformly random playouts to put this in scale? > My engine does 20k games/s with random playouts, 10k games/s with > random playouts and board implementation incrementally maintaining 3x3 > patterns, and 1600 games/s when using probability distribution. There > is some room for optimization, but not to reach 13k games/s... > > So I wonder if you have any tips for fast implementation of the > probability distribution based simulations? Do you maintain the > probability distribution itself incrementally over moves, or only > the shape features? > > Thanks, > > -- > Petr "Pasky" Baudis > A lot of people have my books on their bookshelves. > That's the problem, they need to read them. -- Don Knuth > _______________________________________________ > computer-go mailing list > [email protected] > http://www.computer-go.org/mailman/listinfo/computer-go/ _______________________________________________ computer-go mailing list [email protected] http://www.computer-go.org/mailman/listinfo/computer-go/
