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SubjectRe: NUMA scheduler (was: 2.5 merge candidate list 1.5)
Date
On Monday 28 October 2002 18:36, Martin J. Bligh wrote:
> >> Schedbench 4:
> >> Elapsed TotalUser TotalSys AvgUser
> >> 2.5.44-mm4 32.45 49.47 129.86 0.82
> >> 2.5.44-mm4-focht-1 38.61 45.15 154.48 1.06
> >> 2.5.44-mm4-hbaum-1 37.81 46.44 151.26 0.78
> >> 2.5.44-mm4-focht-12 23.23 38.87 92.99 0.85
> >> 2.5.44-mm4-hbaum-12 22.26 34.70 89.09 0.70
> >> 2.5.44-mm4-f1-h2 21.39 35.97 85.57 0.81
> >
> > One more remarks:
> > You seem to have made the numa_test shorter. That reduces it to beeing
> > simply a check for the initial load balancing as the hackbench running in
> > the background (and aimed to disturb the initial load balancing) might
> > start too late. You will most probably not see the impact of node
> > affinity with such short running tests. But we weren't talking about node
> > affinity, yet...
>
> I didn't modify what you sent me at all ... perhaps my machine is
> just faster than yours?
>
> /me ducks & runs ;-)

Aaargh, now I understand!!! You just have wrong labels in your table,
they are permuted! More sense makes:

> >> AvgUser Elapsed TotalUser TotalSys
> >> 2.5.44-mm4 32.45 49.47 129.86 0.82
> >> 2.5.44-mm4-focht-1 38.61 45.15 154.48 1.06
> >> 2.5.44-mm4-hbaum-1 37.81 46.44 151.26 0.78
> >> 2.5.44-mm4-focht-12 23.23 38.87 92.99 0.85
> >> 2.5.44-mm4-hbaum-12 22.26 34.70 89.09 0.70
> >> 2.5.44-mm4-f1-h2 21.39 35.97 85.57 0.81

Regards,
Erich

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