Author: Robert Hyatt
Date: 06:40:15 10/24/01
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On October 24, 2001 at 05:38:21, Ricardo Gibert wrote: >I originally posted this on CTF by mistake. On Tina's suggestion, I've reposted >it here. > > >I know very little about bit boards, but I had random thought about what you >could do with a cpu that has 128 bit words. Does it make any sense to use 128 >bits instead of 64 bits in a bitboard approach that is analogous to 0x88? Would >rotated bitboards still be necessary? > >Okay, I know these are random thoughts indeed. So what advantage if any would >128 bits have for bitboards? Rotated bitboards would still be useful. But now it would take one operation to update two of them at once. IE normal and rotated 90 in one 128-bit word, the two diagonal rotations in another 128 bit word. Would work fine. Although 128 bit microprocessors are probably 20 years away or longer...
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