HP-MPI User's Guide (11th Edition)

Understanding HP-MPI
MPI options
Chapter 3 133
From the GUI, use the Task Properties window, Environment tab to
set the desired environment variable.
NOTE These environment variables should be set on the mpirun task.
Environment variables can also be set using the flag /env. For example:
>
job add JOBID /numprocessors:1
/env:"MPI_ROOT=\\shared\alternate\location" ...