On Thu, 10 Jan 2019 11:20:12 +0000 ROTHE Eduardo - externe <eduardo-externe.ro...@edf.fr> wrote:
> Hi Gilles, thank you so much for your support! > > For now I'm just testing the software, so it's running on a single > node. > > Your suggestion was very precise. In fact, choosing the ob1 component > leads to a successfull execution! The tcp component had no effect. > > mpirun --mca pml ob1 —mca btl tcp,self -np 2 ./a.out > Success > mpirun --mca pml ob1 -np 2 ./a.out > Success > > But... our cluster is equiped with Intel OMNI Path interconnects and > we are aiming to use psm2 through ofi component in order to take full > advantage of this technology. Ofi support in openmpi has been something to stay away from in my experience. You should just use the psm2 mtl instead. /Peter K _______________________________________________ users mailing list users@lists.open-mpi.org https://lists.open-mpi.org/mailman/listinfo/users