communicator_a 24 examples/dtrace/mpicommleak.c static MPI_Comm communicator_a, communicator_b, communicator_c; communicator_a 53 examples/dtrace/mpicommleak.c MPI_Comm_dup(MPI_COMM_WORLD, &communicator_a); communicator_a 59 examples/dtrace/mpicommleak.c MPI_Comm_free(&communicator_a);