M Harris wrote: > On Thursday 24 May 2007 17:08, James Knott wrote: > >> Maybe you should try one of those "infinite binary loops", that were so >> popular a few years back. They were supposedly able to trash a CPU! ;-) >> > ... I've never actually been able to ruin a cpu that was properly > sinked and > vented... what the PI routine does not do is IO, not till its done anyway. > But what it does do if scale is set high enough is to force the memory > requirements off chip... so it exercises not just the ALU, but the bus logic > as well... and it keeps those flops toggling long and fast which in turn > draws lots of current which in turn creates lots of heat. Most of the time > the processor in a linux machine is pretty much sitting there idle... that > has always amazed me also.... > > > > > I guess you missed the ";-)". That "infinite binary loop" was a bit of nonsense, that was going around a few years back.
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