On Jun 3, 2013, at 5:06 AM, Paul Kapinos <kapinos_at_[hidden]> wrote:
> It is more or less well-known that MPI_THREAD_MULTIPLE disable the OpenFabric / InfiniBand networking in Open MPI:
Yes, this is true -- MPI_THREAD_MULITPLE support is fairly incomplete in Open MPI.
> On our system not only the 'openib' BTL is off, but also the IPoIB denies to work, leading to error.
That's odd -- are you saying that the TCP BTL doesn't work with IPoIB? I can't think of why that would be the case.
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