Author: leonid
Date: 13:09:41 02/09/00
Go up one level in this thread
On February 09, 2000 at 15:21:34, Heiner Marxen wrote: >On February 09, 2000 at 14:03:15, leonid wrote: > >>On February 09, 2000 at 13:39:38, José de Jesús García Ruvalcaba wrote: >> >>>On February 09, 2000 at 08:44:53, leonid wrote: >>> >>>>On February 08, 2000 at 20:11:50, Dann Corbit wrote: >>>> >>>>>2bnN1k1/6P1/4p3/1P2N1P1/3K4/8/8/8 w - - >>>> >>>>Move G5 - G6. Take 0.055 sec. >>>> >>>>AMD 400Mhz. Solved by Mate Solving Logic. >>>> >>>>Leonid. >>> >>>Hi Leonid! >>> Have you compared the solving time of your Mate Solving Logic against solving >>>times of Chest? >>>Thanks in advance, >>>José. > >Chest uses 0.15 seconds on a P/133. This is quite comparable to leonid´s >time. > >>Hello, Jose! >> >>No. Will be interesting to try one day. This logic was created long time ago and >>I practically never touched it after its creation. Expect come back one day and >>speed it even more. Now I see that this is possible after the ideas that came to >>me while writing my Positional Logic. For now, Mate Solving Logic, don't use any >>hash tables, reference tables or any memory demanding technics. > >The hash table speeds up Chest for about 14% (conservative estimate). >Within a mate in 4 there is not much chance for repeated positions. > >Heiner > > >>When I tryed this logic for solving the mate some 4 years ago it was the >>speediest against all other best games that I could find. Impecable as well. >>Result was found after long statistics counted in thousands of positions. > >A comparison with Chest might be worthwhile, but I would use larger (deeper) >jobs. The deeper, the more opportunities to do tricky speed ups. >We may both learn from the other program, where it is significantly faster. > >>Hasta la vista! >>Leonid. > >Have a nice day! >Heiner Thanks, Heiner, for comments! Quit interesting. I found through the Rebel that game speed could be improved up to 70% when hash tables are ignited. Could only guess how much in real life "mate solving logic" could be speeded up. All the best in your logic writing! Leonid.
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