On Jun 4, 2013, at 8:20 AM, W Spector wrote:
>> 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...
Underneath, I am pretty sure that barrier is doing an MPI_WAITALL.
On 06/04/2013 03:23 AM, Jeff Squyres (jsquyres) wrote:
On Jun 3, 2013, at 5:06 AM, Paul Kapinos wrote:
It is more or less well-known that MPI_THREAD_MULTIPLE disable the OpenFabric /
InfiniBand networking in Open MPI:
On Jun 3, 2013, at 5:06 AM, Paul Kapinos wrote:
> It is more or less well-known that MPI_THREAD_MULTIPLE disable the OpenFabric
> / InfiniBand networking in Open MPI:
>
> http://www.open-mpi.org/faq/?category=supported-systems#thread-support
>
Hello,
It is more or less well-known that MPI_THREAD_MULTIPLE disable the OpenFabric /
InfiniBand networking in Open MPI:
http://www.open-mpi.org/faq/?category=supported-systems#thread-support
http://www.open-mpi.org/community/lists/users/2010/03/12345.php
On our system not only the 'openib'