To determine where the processes will run, ORTE uses the following criteria:
When you issue the mpirun command from the command line, ORTE reads the number of processes to be launched from the -np option, and then determines where the processes will run. To run the program with default settings, enter the command and program name, followed by any required arguments to the program: To specify the list of hosts on which to execute the program (also known as the rankmap file) To specify the list of hosts on which to invoke processes TABLE 5-1 Program/Process Control Options The procedures that follow the table explain how these options are used and show the syntax for each. TABLE 5-1 shows the process control options for the mpirun command. The examples in this section show how to use the mpirun command options to specify how and where the processes and programs run.
