On 06/04/2013 03:23 AM, Jeff Squyres (jsquyres) wrote:
> 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.
One would hope a simple MPI_Barrier call would work though...
My home linux system is nothing sophisticated. Just a quad core I-5 on
a Intel DP55WB motherboard and Ubuntu Linux. No fancy interconnects.