Author: Dann Corbit
Date: 09:32:37 02/15/05
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On February 15, 2005 at 12:26:36, Pallav Nawani wrote: >Hi, > >My chess engine, Natwarlal is very slow, getting 350KNPS on an Athlon 1700. >Crafty, on the other hand does an hefty 650K. What is the most important thing >for high NPS of the engine? There are a few speedup tricks that I know, and I am >not using them, but can anyone quantify the speedup in % provided by these, >and/or add some new ideas? > >1. Pawn hash (Natwarlal uses it, but not efficiently). >2. King hash >3. Eval cache >4. Lazy eval. Natwarlal dosen't use this, but then Natwarlal's eval is very >skimpy already! >5. Any other trick? > >Thanks, >Pallav Profile your program and find out where the time is going. The way to speed up your program is to identify the slow spots.
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