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 usage of PSM
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
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=,
users] OpenMPI-1.7.3 - cuda support
Hello,
I'm having problems running a simple cuda-aware mpi application; the one found
at
https://github.com/parallel-forall/code-samples/tree/master/posts/cuda-aware-mpi-example
I have modified symbol ENV_LOCAL_RANK into OMPI_COMM_WORLD_LOCAL_RANK
My cluster has
Hello,
I'm having problems running a simple cuda-aware mpi application; the one found
at
https://github.com/parallel-forall/code-samples/tree/master/posts/cuda-aware-mpi-example
I have modified symbol ENV_LOCAL_RANK into OMPI_COMM_WORLD_LOCAL_RANK
My cluster has 2 K20m GPUs per node, with
