Author: Dann Corbit
Date: 15:48:13 06/04/02
Go up one level in this thread
On June 04, 2002 at 18:29:08, Robert Hyatt wrote: >On June 04, 2002 at 18:20:53, Gian-Carlo Pascutto wrote: > >>Odd, I get 39 secs for Crafty, 23.5 for Yace, which is a much bigger difference. >> >>(Crafty 18.12 vs Yace 0.99.68b) >> >>Dieter did some optimisations here or so? >> >>-- >>GCP > > >No idea. I didn't try to make this "fast" at all. It was designed to >be a debugging tool for the move generator (for me), not as a performance >test. Although it has been used for that. It is reasonable to compare >perft for crafty version X on machine Y vs perft for crafty version X >on machine Z, to compare the two machines. Compareing two different >programs' perft times doesn't mean a lot unless both programs have been >optimized to make it efficient. I simply wrote it to be simple. IE I >would turn off a _lot_ of Make/Unmake overhead to simply run perft as fast >as possible... Beowulf's Perft was a lot faster before. The incremental hashing stuff made a big hit in the perft number, but increased the overall performance.
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