Hi, I am wondering what effects it will have when I configure openmpi with --enable-mpi-threads: we are using the TM interface to torque and therefore each MPI program gets assigned a certain number of cores on a set of nodes by the scheduler. If the MPI program now starts additional threads how does that work? - will this lead to an oversubscription of nodes or - will the creation of additional threads fail, if the number of processes on a node has reached the process count on that node assigned through torque?
How is this done properly? Thanks! Cheers, Martin -- Martin Siegert Head, Research Computing WestGrid Site Lead IT Services phone: 778 782-4691 Simon Fraser University fax: 778 782-4242 Burnaby, British Columbia email: sieg...@sfu.ca Canada V5A 1S6