newcomm2 222 test/monitoring/monitoring_test.c MPI_Comm newcomm2; newcomm2 226 test/monitoring/monitoring_test.c MPI_Comm_split(newcomm, rank%2, rank, &newcomm2); newcomm2 227 test/monitoring/monitoring_test.c MPI_Barrier(newcomm2); newcomm2 228 test/monitoring/monitoring_test.c MPI_Comm_free(&newcomm2);