Author: Bruce Moreland
Date: 14:35:54 01/10/03
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On January 10, 2003 at 17:17:49, Robert Hyatt wrote: >On January 10, 2003 at 15:30:20, Bruce Moreland wrote: >>What percentage of its time does Crafty spend in the popcount() function if the >>C version is used? >> >>bruce > > >I haven't tested in a while. Last time I did it was something like a couple of >percent... > >Not very significant, overall... > >However I did some optimizations that eliminate some of the PopCnt usage by pre- >computing popcounts for the mobility stuff, for example... No, it's not, but I suspect that since other bitboard programs use it verbatim, they are all interested in making it as fast as possible. bruce
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