Re: cache hit/miss detection
From: Micah (fanmail_at_micah-wedemeyer.net)
Date: Wed, 17 Sep 2003 22:52:21 -0400
"Kasper Dupont" <email@example.com> wrote in message
> Micah wrote:
> > Does anyone know of any tools that can determine what the CPU cache
> > statistics are for a certain process? Especially nice would be a tool
> > works on a multi-processor machine.
> I think there does exist a program with some relation to valgrind, that
> simulate a run of your program, and report very accurate and detailed
> statistics. If you need to meassure an actual running program, you are
> to need help from the CPU. AFAIK all recent Intel CPUs provide some
> for purposes like this, I don't know the details or any program utilizing
> Kasper Dupont -- der bruger for meget tid paa usenet.
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> Their business was zero and it was shrinking.
Can cachegrind (the part of valgrind for cache info) simulate mutliple CPUs?
That is really important for this benchmarking project.