Author: Daniel Mehrmannn
Date: 07:25:15 03/14/05
Go up one level in this thread
On March 14, 2005 at 10:07:55, Renze Steenhuisen wrote: >On March 14, 2005 at 10:05:24, Robert Hyatt wrote: > >>On March 14, 2005 at 09:32:55, Renze Steenhuisen wrote: >> >>>Hi all, >>> >>>can anyone tell me whether there has ever been a study on the actual needed >>>aspiration window sizes? The only thing I am only reading is that "it is common >>>knowledge" and "it is known" concerning Aspiration Windows. And Crafty is using >>>0.40*PAWN_VALUE because it seemed to perform best. But is there actual data >>>somewhere? >>> >>>Cheers! >>> >>>Renze >> >> >>That is "actual data". Take your program, and try different values, over a >>large test set of positions. Find the range that produces the greatest average >>search depth for the test set. It will vary for each program, since the >>evaluation functions can produce wildly variable scores... > >So, there is nothing being published whatsoever? No actual data anywhere? I can >imagine that the test results are different when other time constrains are >given. Actually, I know for sure... but that wasn't the question. bob says right, you must find your own way which size is good for your engine. It depends on our eval. For example my engine have at the moment not a good eval, so i use 50 window. daniel
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