hi all
On 08-Oct-99 Monty wrote:
> Keep in mind that due to cache alignment (and other) issues, runs of the same
> executable can vary in speed by almost half depending on where in the buffer
> cache they get placed.
I've never found a discrepance of 1/2 in any significant sized program, but
I sometimes see variations of +/-5%. (in gprof output etc)
I used to find on my freebsd box, that LAME would run faster if I had netscape
running and was connected to the net. Tres Weird.
I assume the best way to benchmark would be to run in single user mode at a
niceness of -20. But i know nix about hardware.
Has anyone considered cache issues and lame?
later
mike
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