Author: Christophe Theron
Date: 19:46:06 02/03/00
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On February 03, 2000 at 14:48:48, James Swafford wrote:
>I completely agree. I began with a bitmap engine (Tristram),
>which I learned to implement studying Crafty.
>
>Galahad started out that way, but in the spirit of
>experimentation I changed to the "mailbox" method
>shown in TSCP, leaving only pawn bitmaps. I hate it.
>I will likely change back if I ever get the time.
>
>I think the nicest thing about bitmaps is the
>ability to gen only captures, then cycle through
>them before generating noncaps. With any luck,
>noncaps never have to be generated.
This is absolutely trivial to do with a non-bitboard data structure. And it's
very fast.
The advantage of bitboards, if any, must be somewhere else.
Christophe
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