Other Options

-verbose or -v 

Use this option to print debug information from mpiexec.hydra, such as:

• Service processes arguments 

• Environment variables and arguments passed to start an application

• PMI requests/responses during a job life cycle 

See the I_MPI_HYDRA_DEBUG  environment variable for more details. 

-print-rank-map 

Use this option to print out the MPI rank mapping.

-print-all-exitcodes 

 Use this option to print the exit codes of all processes.