Computer Chess Club Archives




Subject: Re: BitBoard challenge to Ernst A. Heinz and bitboard fans - no moderati

Author: Larry Griffiths

Date: 09:09:52 01/17/99

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I am increasing the use of bitboards in my program.  I am using your
description of bitboards as my model.  I have implemented file and rank
bitboards and plan on doing the diagonal bitboards when I figure out
how to update and access them.  I am doing some move generation using these
bitboards.  The execution time has increased from 132 seconds to 158 seconds.
I am running on a Compaq 350mhz PII processor.  I am working on getting
the time back down to around 132 seconds or less.  Do you access your
bitboards at the byte level?


Larry Griffiths

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