MPI on virtual nodes
Jump to navigation
Jump to search
OBSOLETE
To run MPI on virtual nodes one has to specify the interface. The argument (to mpirun) needed is:
--mca btl_tcp_if_include tun0
Alternatively one may specify the network to be used for communication to cover both real and virtual node networks:
--mca btl_tcp_if_include 192.168.100.0/23
Source for more knowledge: http://stackoverflow.com/questions/10466119/mpi-send-stops-working-after-mpi-barrier/10473106#10473106
