Re: LMbench as gcc performance regression test?

Daniel Jacobowitz
2003-08-31T15:24:54Z

On Sun, Aug 31, 2003 at 12:21:37AM -0700, Dan Kegel wrote:
> http://cs.nmu.edu/~benchmark/ has an interesting little graph
> of LMBench results vs. Linux kernel version, all done with the
> same compiler.
>
> Has anyone seen a similar graph showing LMBench results vs. gcc version,
> all done with the same Linux kernel?
> And does everyone agree that's a meaningful way to compare the
> performance of code generated by different compilers?
>
> I happen to have a number of versions of gcc handy, and was
> considering making such a graph, but was hoping somebody
> else had already done it.

It's been a while since I looked at lmbench but: why do you think this
would be useful? It's a system and kernel benchmark; I doubt
optimization makes much difference at all.

--
Daniel Jacobowitz
MontaVista Software Debian GNU/Linux Developer