Re: [OMPI users] OpenMPI-1.7.3 - cuda support

2013-10-30 Thread KESTENER Pierre
6 À : Open MPI Users Objet : Re: [OMPI users] OpenMPI-1.7.3 - cuda support The CUDA-aware support is only available when running with the verbs interface to Infiniband. It does not work with the PSM interface which is being used in your installation. To verify this, you need to disable the us

Re: [OMPI users] OpenMPI-1.7.3 - cuda support

2013-10-30 Thread Rolf vandeVaart
this: mpirun -mca pml ob1 . This will force the use of the verbs support layer (openib) with the CUDA-aware support. From: users [mailto:users-boun...@open-mpi.org] On Behalf Of KESTENER Pierre Sent: Wednesday, October 30, 2013 12:07 PM To: us...@open-mpi.org Subject: Re: [OMPI users] OpenMPI

Re: [OMPI users] OpenMPI-1.7.3 - cuda support

2013-10-30 Thread KESTENER Pierre
Dear Rolf, thank for looking into this. Here is the complete backtrace for execution using 2 GPUs on the same node: (cuda-gdb) bt #0 0x7711d885 in raise () from /lib64/libc.so.6 #1 0x7711f065 in abort () from /lib64/libc.so.6 #2 0x70387b8d in psmi_errhandler_psm (ep=,

Re: [OMPI users] OpenMPI-1.7.3 - cuda support

2013-10-30 Thread Rolf vandeVaart
Let me try this out and see what happens for me. But yes, please go ahead and send me the complete backtrace. Rolf From: users [mailto:users-boun...@open-mpi.org] On Behalf Of KESTENER Pierre Sent: Wednesday, October 30, 2013 11:34 AM To: us...@open-mpi.org Cc: KESTENER Pierre Subject: [OMPI use