Author: Tony Werten
Date: 10:35:48 10/24/01
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On October 24, 2001 at 09:40:15, Robert Hyatt wrote: >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... Why 20 ? The amount of bits seem to have doubled every 10 years until now. Tony
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