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

Gareth.Williams at csiro.au Gareth.Williams at csiro.au
Tue Jun 14 17:11:19 MDT 2011


> > 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.

- Gareth


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