... p4 arguments for debugging . Up: Debugging MPI programs Next: Debugging for Nexus Previous: MPI arguments for the application program . ... The most useful of these are the command line arguments to the application program. ... mpirun -np 10 myprog -p4dbg 20 -p4rdbg 20 results in program tracing information at a level of 20 being written to stdout during execution. ... Note that this is an argument to the program , not to mpirun . ... mpirun -np 4 myprog -p4norem . ... Центры . ...