Surely pondering can't give more strength benefit than perhaps 1.5x more CPU power?
Which program did you use for your experiments? David > -----Original Message----- > From: [email protected] [mailto:computer-go- > [email protected]] On Behalf Of Aja > Sent: Thursday, September 16, 2010 4:53 PM > To: [email protected] > Subject: Re: [Computer-go] Speculatively pondering > > Actually in my experiments on 19x19, pondering gives a VERY big strength > increase. This result is shown in our paper "Time Management for Monte-Carlo > Tree Search Applied to the Game of Go" to be published. > > Aja > > ----- Original Message ----- > From: "David Fotland" <[email protected]> > To: <[email protected]> > Sent: Friday, September 17, 2010 1:58 AM > Subject: Re: [Computer-go] Speculatively pondering > > > > Many Faces does not ponder, but it's on the todo list. I don't expect > > pondering to give a big strength increase compared to all the other things > > queued up. > > > > David > > > >> -----Original Message----- > >> From: [email protected] [mailto:computer-go- > >> [email protected]] On Behalf Of [email protected] > >> Sent: Thursday, September 16, 2010 6:45 AM > >> To: [email protected] > >> Subject: Re: [Computer-go] Speculatively pondering > >> > >> Quoting Brian Sheppard <[email protected]>: > >> > >> >> In other words: a strong opponent will cause a lot of ponder hits and > >> >> speculative pondering is the best way to search effectively. > >> > > >> > This makes sense, but actual measurements on CGS showed that > >> > speculative pondering was worse. At least for Pebbles. > >> > > >> > That experimental result is consistent with mathematical > >> > models, so I have confidence. > >> > > >> > Have you tested Valkyria both ways? > >> > >> No, what I wrote is just what I believe. There is a lot of things I > >> would like to test but this is on the todo list. > >> > >> Currently pondering tend to be inefficient for a different reason > >> since Valkyria have no garbage collection and quickly fills memory > >> with 4 fast cores. In forced sequences it does not ponder at all > >> because the tree is already full. > >> > >> Magnus > >> > >> _______________________________________________ > >> Computer-go mailing list > >> [email protected] > >> http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > > > _______________________________________________ > > Computer-go mailing list > > [email protected] > > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go > > _______________________________________________ > Computer-go mailing list > [email protected] > http://dvandva.org/cgi-bin/mailman/listinfo/computer-go _______________________________________________ Computer-go mailing list [email protected] http://dvandva.org/cgi-bin/mailman/listinfo/computer-go
