Re: LMbench as gcc performance regression test?

[Dan Kegel]

Larry McVoy wrote:
> On Sun, Aug 31, 2003 at 12:21:37AM -0700, Dan Kegel wrote:
>
> > (There seems to be large variations in successive runs of LMBench
> > when I try it, so it may take me a bit of work to get repeatable
> > results.)
>
>
> Other than the context switch part or anything based on it, that shouldn't
> be true, it should be very stable.
>
> I'm pretty convinced that the variations are due to different pages being
> allocated and the result cache contention makes things bounce.

Or an idiot running the benchmark.  We really do have to rule that out first.
- Dan

--
Dan Kegel
http://www.kegel.com
http://counter.li.org/cgi-bin/runscript/display-person.cgi?user=78045

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