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SubjectRe: LMbench 2.4.0-test10pre-SMP vs. 2.2.18pre-SMP
On Tue, Oct 24, 2000 at 02:24:24AM -0400, Hank Leininger wrote:
> On 2000-10-23, Jeff Garzik <jgarzik@mandrakesoft.com> wrote:
>
> > Hardware:
> > Dual P-II 400 Mhz
> > 128 MB RAM
> > 13GB hard drive
>
> > First test was with 2.4.0-test10-pre3.
> > Next four tests were with 2.4.0-test10-pre4.
> > Final four tests were with 2.2.18-pre17.
>
> Would it be meaningful to run two concurrent LMbench runs on SMP 2.2.18-p17
> vs two concurrent runs on 2.4.0-t10-p4 ?

I don't think you'll get what you want. LMbench has a carefully designed
timing harness which makes sure that other system activity doesn't affect
the results. So two runs at the same time will very likely give the same
results as two sequential runs. If this isn't true, someone tell me.
--
---
Larry McVoy lm at bitmover.com http://www.bitmover.com/lm
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