We have found that virtually all Rmpi jobs need to be started with
$ mpirun -np 1 R CMD BATCH
This is, as I understand it, because the first R will initialize the
MPI environment and then when you create the cluster, it wants to be
able to start the rest of the processes. When you intialize
Note this is just a workaround, this simply disables the mxm mtl (e.g.
Mellanox optimized infiniband driver).
basically, there are two ways to run a single task mpi program (a.out)
- mpirun -np 1 ./a.out (this is the "standard" way)
- ./a.out (aka singleton mode)
the logs you posted do not s
Dear Gilles,
I tried export OMPI_MCA_pml=ob1, and it worked! Thank you very much for
your brilliant suggestion.
By the way, I don't really understand what do you mean by '*can you also
extract the command tha launch the test ?*'...
Cheers,
Pan
That could be specific to mtl/mxm
could you
export OMPI_MCA_pml=ob1
and try again ?
can you also extract the command tha launch the test ?
I am curious whether this is via mpirun or as a singleton
Cheers,
Gilles
On Monday, July 11, 2016, pan yang wrote:
> Dear OpenMPI community,
>
> I faced
