Author: Robert Hyatt
Date: 10:48:21 09/03/03
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On September 03, 2003 at 13:42:12, Gian-Carlo Pascutto wrote: >On September 03, 2003 at 13:08:34, Robert Hyatt wrote: > >>Very close. I also need to access some "shared" data at a split point, so that >>I can be sure to search every move there once, but only once. That is _very_ >>infrequent of course. IE a typical position has 35 moves that need to be >>searched. A 4 ply search below that point dwarfs that overhead into nothing. > >I don't know about Crafty, but my speedup noticeably decreases if I only >split at 4 ply. Normally, even splitting 2 ply searches is still beneficial. > >-- >GCP Mine is tunable. I run about 100 positions and pick the minply value that optimizes all 100 the best. I just checked and I am using 3 at the moment. I have not tested this recently. I think 3 was the optimal value for my quad 700. I will probably test this again on my dual to be sure that I have already done this correctly.
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