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....
--
Kind regards,
M Harris <><
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