> On Jun 1, 2015, at 5:09 PM, Ralph Castain <r...@open-mpi.org> wrote: > > This probably isn’t very helpful, but fwiw: we added an automatic > “fingerprint” capability in the later OMPI versions just to detect things > like this. If the fingerprint of a backend node doesn’t match the head node, > we automatically assume hetero-nodes. It isn’t foolproof, but it would have > picked this one up.
That sounds useful for actually having more jobs run, but I’d suggest that a
warning be printed if this happens without hetero-nodes explicitly specified,
since without the jobs crashing, I wouldn’t have even noticed that one of our
nodes had HT active.
>
> Sorry you had that trouble.
No problem.
Noam
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