Computer Chess Club Archives


Search

Terms

Messages

Subject: Re: Chess engine speed up tricks

Author: Dann Corbit

Date: 09:32:37 02/15/05

Go up one level in this thread


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.




This page took 0 seconds to execute

Last modified: Thu, 15 Apr 21 08:11:13 -0700

Current Computer Chess Club Forums at Talkchess. This site by Sean Mintz.