Paul Jackson Messages: 157 Registered: February 2006
Senior Member
Alan replying to Christoph:
> > Cpusets can share nodes. I am not sure what the problem would be? Paul may
> > be able to give you more details.
>
> If it can do it in a human understandable way, configured at runtime
> with dynamic sharing, overcommit and reconfiguration of sizes then
> great. Lets see what Paul has to say.
Unless I'm missing something (a frequent occurrence) such a use of
cpusets looses on the understandable, is hobbled on the overcommit, and
has to make do with a somewhat oddly limited and not trivial to
configure approximation of the dynamic sharing. And the
reconfiguration would seem to be a great exercise of memory hotunplug
(echos of the original motivation for fake numa - exercising cpusets ;).
Not exactly passing with flying colors ;).
--
I won't rest till it's the best ...
Programmer, Linux Scalability
Paul Jackson <pj@sgi.com> 1.925.600.0401
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