On Monday, 12/04/2006 at 02:33 PST, "Schuh, Richard" <[EMAIL PROTECTED]> wrote: > Pipelining a machine and adding caches does throw a monkey wrench into > the discussion. Add interrupts and you really have a mess. That is one > reason why the performance guys like to preface every sentence with > "YMMV" or "It depends" :-)
...and is why, unless we're in a performance-sensitive area of code, we avoid spending time worrying about the speed of a particular instruction (laden or unladen). You get into endless arguments that are religious in nature and based on 30-year-old machine designs. :-) Alan Altmark z/VM Development IBM Endicott
