Informational

MPI_PRINTENV

When set to 1, causes the environment variables and hpc.conf parameters associated with the MPI job to be printed out. The default is 0.

MPI_QUIET

If set to 1, suppresses Sun MPI warning messages. The default value is 0.

MPI_SHOW_ERRORS

If set to 1, the MPI_ERRORS_RETURN error handler prints the error message and returns the error. The default value is 0.

MPI_SHOW_INTERFACES

When set to 1, 2 or 3, information regarding which interfaces are being used by an MPI application prints to stdout. Set MPI_SHOW_INTERFACES to 1 to print the selected internode interface. Set it to 2 to print all the interfaces and their rankings. Set it to 3 for verbose output. The default value, 0, does not print information to stdout.