Re: LMbench as gcc performance regression test?

Dan Kegel
2003-08-31T14:09:34Z

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