[OMPI users] COLL-ML ATTENTION

Good evening, Can someone help me understand the following error I am getting? [coll_ml_mca.c:471:hmca_coll_ml_register_params] COLL-ML ATTENTION: Available IPoIB interface was not found MCAST capability will be disabled.  I am currently using open mpi 2.0 that comes with Mellanox. I am running Ce

[OMPI users] Ssh launch code

Where in the code does the tree based launch via ssh occur in open-mpi? I have read a few articles, but would like to understand it more, specifically the code that does it. Thanks Sent from my Verizon, Samsung Galaxy smartphone