Author: Sune Fischer
Date: 15:17:18 10/17/03
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On October 17, 2003 at 15:52:25, Russell Reagan wrote: >On October 17, 2003 at 06:24:37, Tord Romstad wrote: > >>If you bother to continue the e-mail exchange with the author, please >>point out that all comparisons with "Zillions of Games" are completely >>worthless. > >Don't worry, I have. Now he wants to have a little contest where I write an >array based move generator for his game, and compare it with his. Save yourself the trouble, just give him Vincents email, he is into that sort of stuff. >He claims to >be able to generate 140 million moves per second on unknown hardware. I suspect >he isn't actually converting the attack bitboards into moves, and thinking that >the attack board comprises a "move list" (which it could, but you're only >pushing the extra work outside of the "move generator"). Or he's doing something >else which allows him to juice up his numbers. Yeah sounds real fishy, wonder if he is just popcounting pseudo legal moves on pre-generated attack boards? That's the problem with just counting moves, it is easy to make this test fast by shifting the load onto another part of the engine. Anyway, I don't think 80-bit bitboards are a natural choice to use as a basic structure, I'd go with some array thing for this game. -S.
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