Author: Gerd Isenberg
Date: 03:38:40 07/07/03
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On July 07, 2003 at 06:36:54, Gerd Isenberg wrote: >On July 07, 2003 at 06:06:08, Ricardo Gibert wrote: ><snip> > >>It is better to do the 8 if statement approach first, because it makes it >>simpler and easier to debug everything. After everything is debugged and >>working, use a profiler to determine whether optimizing would really payoff. >>Most often the conclusion is that it would not and a lot of extra work will be >>saved. Also, the benefits of simpler clearer code is not to be underestimated. > >Hi Ricardo, > >agreed - this function must really be a optimization hotspot. >Anyway, i would suppress a switch with an additional memory lookup like Uri >suggested: > > switch ( i=smallestpower[number] ) > >because the "higher" cases need less affort than the "lower" ones. But as Reinhard already mentioned that may depend on the probability of the set bits. >Regards, >Gerd
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