Author: Dann Corbit
Date: 12:46:08 01/23/01
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On January 23, 2001 at 14:41:28, Severi Salminen wrote: >>I created a GenerateCapturesMoves styled after your Crafty GenMove. > >What was your previous movegen like? I have not yet watched Crafty's movegen so >what modifications did you make to improve your speed? I have also spent a lot >time speeding my movegen up and now I'm sometimes faster that Crafty and >sometimes not. > > >>Looks like it is worth about 100,000 moves per second in my program. >>I do not update hashkeys like your perft does. >>I may be able to get a few more moves per second with some tweaking. > >Indeed you can, but be sure _not_ to make performance comparisons based to perft >or perf only. In normal search you should generate 10x (or more)the moves you >actually make. So if you make modifications that slow your movemakeing down and >speed your movegen up you might get different results in search and perft. Perft >will probably indicate that you are slower but in reality you are faster. And a >better result in perft might mean worse result in search... :( Do you use 0x88? I am experimenting with using a common internal format that is easily translated into other formats. I change from bitmaps to 0x88 when the board is dense or sparse.
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