Author: Matt Taylor
Date: 12:10:29 12/23/02
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On December 23, 2002 at 14:53:34, Matt Taylor wrote: >On December 23, 2002 at 01:42:31, Walter Faxon wrote: > >>Hey, Matt. >> >>Well, as long as you're adding other test code, below is one more 32-bit >>routine, adapted from a post by Gerd last June (in fact, made super-pedantic). >>No table required. >> >>-- Walter >> >>Code follows: ><snip> > >Since the code only finds the LSB for a 32-bit integer, I converted it to an LSB >64 routine by adding a front stage. My initial estimate is that this routine >will suffer a little from the table-based rotuine you posted previously. > >I've got a bunch of stuff to do today (including picking up my fixed car and >fixing someone's computer), but the page should be updated with the new routines >and scores tonight. > >-Matt My hand-optimized integer version is 14% faster over the BEST routine thus far! I'm going to give VC 7 a shot now. VC 7 usually does a little better than I can do by hand. -Matt
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