Author: Tord Romstad
Date: 13:00:20 07/29/03
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On July 29, 2003 at 12:49:49, Keith Evans wrote: >You're perft performance seems pretty decent to me. Indeed. I just did a similar test with my own program on a Pentium 4 2.4 GHz. In the position after 1. e4 e5 2. d4 d5, my program generates 30 million moves per second. I guess I could speed it up somewhat, but I don't think I would come anywhere close to the speeds reported by Vincent and Angrim. My move genererator assigns all moves a move ordering score, and also determines which moves are checks. It generates legal moves only. But anyway, I don't understand why people spend so much time and energy on micro-optimising their move generators. Despite my slow movegen speed, my program spends only 1 or 2 percent of its time in the move generator. I guess most other programmers have similar numbers. Tord
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