Yes, it looks like you are mixing multiple versions of Open MPI.
It looks like you have installed Open MPI v1.10.0 via RPM in the system
defaults location (perhaps in /usr/bin and /usr/lib and the like?), and then
installed Open MPI v2.1.1 via building from source under your home directory
(/ho
I have implemented some algorithms in C++ which are greatly affected by
shuffling time among nodes which is done by some broadcast calls. Up to
now, I have been testing them by running something like
mpirun -mca btl ^openib -mca plm_rsh_no_tree_spawn 1 ./my_test
which I think make MPI_Bcast to wo
