note that support for THREAD_MULTIPLE is available in [newer] versions of open
MPI, but disabled by default. You have to enable it by configuring, in 1.6:
Enable MPI_THREAD_MULTIPLE support (default:
You may check the available threading supprt level by using the attaches program.
On 07/20/12 19:33, Jack Galloway wrote:
> This is an old thread, and I'm curious if there is support now for this? I have
> a large code that I'm running, a hybrid MPI/OpenMP code, that is having trouble
> over our infiniband network. I'm running a fairly large problem (uses about
> 18GB), and part way in, I get the following errors:
You say "big footprint"? I hear a bell ringing...
Dipl.-Inform. Paul Kapinos - High Performance Computing,
RWTH Aachen University, Center for Computing and Communication
Seffenter Weg 23, D 52074 Aachen (Germany)
Tel: +49 241/80-24915