Author: Gerd Isenberg
Date: 04:13:07 12/02/05
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On December 01, 2005 at 17:13:32, Alessandro Scotti wrote: >On December 01, 2005 at 16:45:22, Mridul Muralidharan wrote: > >>Might be asking for too much , but just wondering if anyone has already ported >>leadz/trailz for it in an efficient manner (I do have some fallback non-asm code >>, but i suspect it is way too slow). > >Look for the routines by Gerd Isenberg... they may be even faster than the asm >code! Hi Alessandro, guess you mean the folded DeBruijn routine by Matt Taylor. Or also Walter Faxon's trailing zero count. I promoted those routines - but don't like to adorn myself with borrowed plumes. Thanks, Gerd
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