[OMPI users] Error in BTL with larger number of nodes

2016-01-23 Thread Emani, Murali
Hi, I have been trying out few sample examples in ULFM library. When I run one such example with OpenMPI on a cluster with infiniband interconnect using 32 nodes, 512 processes mpirun –np 512 –am ft-enable-mpi ./simpleagree I get this error, [btl_openib_endpoint.c:694:mca_btl_openib_endpo

[OMPI users] Raspberry Pi 2 Beowulf Cluster for OpenFOAM

2016-01-23 Thread Steve O'Hara
Hi, I'm afraid I'm pretty new to both OpenFOAM and openMPI so please excuse me if my questions are either stupid or badly framed. I've created a 10 Raspberry pi beowulf cluster for testing out MPI concepts and see how they are harnessed in OpenFOAM. After a helluva lot of hassle, I've got the