Author: David Rasmussen
Date: 01:12:53 12/11/02
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On December 10, 2002 at 20:03:46, Jeremiah Penery wrote: >On December 10, 2002 at 19:55:20, Andrew Dados wrote: > >>In old days of 186 processors operation modulo was costly comparing to logical >>AND. Now this is totally outdated (integer division takes one clock), so > >What kind of processor do you have that does division in one clock? AFAIK, P4 >(or is it Athlon?) takes _41_ cycles to divide. I've tested on both Athlons and P4s and UltraSPARCS and others, and while the mod operator might be slower (maybe much slower) on all of these, than the and operator, it didn't affect the speed measurably. Don't change the design for a performance gain you can' measure. /David
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