[EMAIL PROTECTED] wrote:
Nicholas Clark <[EMAIL PROTECTED]> wrote:
:So I'm confused. It looks like some bits of perl are incredibly sensitive to
:cache alignment, or something similar. And as a consequence, perlbench is
:reliably reporting wildly varying timings because of this, and because it
:only tries a few, very specific things. Does this mean that it's still useful?
I think I remember seeing a profiler that emulates the x86 instruction set,
and so can give theoretically exact timings. Does this ring a bell for
anyone? I don't know if the emulation extended to details such as RAM
and cache sizes ...
Do you mean Valgrind ? You can get it from http://developer.kde.org/~sewardj/
Peter
Hugo
