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As the smoke cleared, Gunnar Farnebäck <gun...@lysator.liu.se> mounted the barricade and roared out: > On 05/12/10 05:17, Amr Ahmed Sabry Abdel Rahman Ghoneim wrote: >> Good Day ... >> >> I'm a Post-Graduate Student at the University of New South Wales >> -Australia. I'm using GNU Go in my research and I need to make a >> modification to its code. But since the GNU Go is life-size and has been >> developed over a long time, I need help on that from any of the >> developers who did develop the engine. >> >> My problem is as follows: I'm using GNU Go's debugging options to >> analyse the reasons behind the moves in certain Go games. So, I use GNU >> Go to replay specific go games, generating the reasons for each of the >> moves in this game. But, the replay option makes the engine actually >> plays the whole game, and thus generating reasons for all of the >> possible moves the engine was considering. The engine takes around 15 to >> 20 minutes using my desktop to analyse a single game, and I effectively >> need to cut down the time utilized. So, instead of generating the >> reasons and values for all the considered positions in each move, I'd >> like to modify the engine to do that only for the positions actually >> played in the game replayed by the engine. And I need to do so without >> affecting the reasons generated for those actually payed positions. Can >> this be done? And how? > > For all practical purposes it cannot be done. Somewhat simplified GNU > Go starts its analysis by determining tactical status of strings and > connectivity between strings, then collecting strings into dragons and > doing life and death analysis. When something is found to be unstable > the corresponding critical points produce move reasons. Thus if you > only want move reasons for a single move you would have a hard time > determining which local analyses to perform, and for other pattern > induced move reasons you would also need correct worm and dragon > status for a difficult to determine part of the board. > > It might be feasible to shortcut some of the computations made to > refine the move reasons for other moves than the played one, but the > primary board analysis would still take a considerable time and it > would be easy to miss some side-effect that would actually affect the > reasons for the played move. It's unlikely to be worth the effort. > > /Gunnar That reply is so clear and succinct, it is almost breath-taking. ;P - -- grok. - -- The Financiers & Banksters have looted untold trillions of our future earnings. Their bureaucratic police & military goons are here to make us all pay for it. Forever. Well FORGET THAT. Let's get it *ALL* back from them -- and more. **Socialist revolution NOW!!** Build the North America-wide General Strike. TODO el poder a los consejos y las comunas. TOUT le pouvoir aux conseils et communes. ALL power to the councils and communes. And beware the 'bait & switch' fraud: "Social Justice" is NOT *Socialism*... -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.4.9 (GNU/Linux) iEYEARECAAYFAkvvW7cACgkQB9bXLLhitTM8jwCbBB4zWYGppWFvoWCDJ+wl6nXM V0kAn219s6Nfk+0aqLbeaoIekIhozQ3F =6aWE -----END PGP SIGNATURE----- _______________________________________________ gnugo-devel mailing list gnugo-devel@gnu.org http://lists.gnu.org/mailman/listinfo/gnugo-devel
