Re: xeon 2.8GHz SMP/NOT test results

2006/10/16, Ivan Voras <[email protected]>:
> Kian Mohageri wrote:
>
> > I've never used sysbench (I essentially picked it randomly) so if you know
> > it to be a crappy benchmark tool for this sort of thing, do tell.  I'm also
> > pretty new at testing performance in general, but I hope someone finds it
> > useful anyway.
>
> Maybe you'll be interested in ports/benchmark/unixbench, especially the
> context switch and shell scripts benchmarks?
>
> > http://www.zampanosbits.com/smp_tests/
>
> Interesting results, especially for such an early version of the
> processor (wrt HTT) - I'd expect much lower gain from HTT. While you're
> at it, maybe you could add more results to your benchmark, like change
> the timecounter to TSC, use various gcc optimization flags, twiddle
> machdep.cpu_idle_hlt, use SMP kernel with HTT disabled in BIOS?

What about PREEMPTION/FULL_PREEMPTION?

Attilio


-- 
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