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Re: LMbench as gcc performance regression test?
- From: Daniel Jacobowitz <dan at debian dot org>
- To: Dan Kegel <dank at kegel dot com>
- Cc: GCC Mailing List <gcc at gcc dot gnu dot org>, linux-kernel at vger dot kernel dot org
- Date: Sun, 31 Aug 2003 11:24:49 -0400
- Subject: Re: LMbench as gcc performance regression test?
- References: <3F51A201.firstname.lastname@example.org>
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.
MontaVista Software Debian GNU/Linux Developer