Author: Larry Griffiths
Date: 14:54:29 06/20/00
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On June 20, 2000 at 12:18:06, Ralf Elvsén wrote: >I'm asking about things I don't have much personal experience from >so forgive me if this is a stupid question. With BB, as I understand >it, one usually have a lot of precomputed BB-arrays, like bishopsMoves[square], >maybe blocks[from][to] or the rotated BB-stuff. Is this causing problems >for the cache? How much precomputed stuff is needed in 0x88 compared to this? > >Ralf Ralf, I did experience slowdowns in my program due the precomputed bitboard arrays. You can go as crazy as you like creating all sorts of wonderful neat-o bitboard arrays consuming several megabytes of storage. Been there, done that, pruned the bitboard stuff back :) I also pre-computed RookMoves (file and rank) using bitboards (WITHOUT USING A LOOP BY THE WAY). Larry.
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