MPI program execution

• legion_mpi_run starts Legion objects that act as MPI tasks

• These objects are listed in context space

• Can execute standard Legion commands on these objects

$ legion_ls -a /mpi/programs/mpi_app

. 1

.. 2

0 3

$ legion_ping -c /mpi/instances/mpitest_c/0

Pinging: 1.01.70000000.09000000.000001fc0cd7af...

Returned: 1.01.70000000.09000000.000001fc0cd7af...

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