[torquedev] 3.0 branch --enable-numa-support breaks openmpi integration

David Beer dbeer at adaptivecomputing.com
Wed Jun 15 08:23:21 MDT 2011



----- Original Message -----
> > > I tried the 3.0.2 release candidate on a cluster of dual socket
> > > nodes
> > > and it seemed OK but openmpi built against it started the right
> > number
> > > of processes within a batch job, all on the same (first) node.
> > >
> > > The same source rebuilt without numa support worked fine.
> > >
> >
> > NUMA support only currently works for single node jobs, as the
> > original
> > development was intended only to support large NUMA systems such as
> > Altix and the UV. It will have to be enhanced before it can support
> > multi-node NUMA jobs.
> 
> I suspected as much. Is more general numa support in the pipeline?
> Systems have an increasing level of numa-ness.
> 

This is something that is in the pipeline, although I cannot say any specific date.

-- 
David Beer 
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     Adaptive Computing
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     Provo, UT 84606



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