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

Debugging and troubleshooting

Troubleshooting HP-MPI applications

Chapter 6204

Troubleshooting HP-MPI applications

This section describes limitations in HP-MPI, some common difficulties

you may face, and hints to help you overcome those difficulties and get

the best performance from your HP-MPI applications. Check this

information first when you troubleshoot problems. The topics covered are

organized by development task and also include answers to frequently

asked questions:

• Building on HP-UX and Linux

• Starting on HP-UX and Linux

• Running on HP-UX, Linux, and Windows

• Completing

• Testing the network on HP-UX and Linux

To get information about the version of HP-MPI installed on your HP-UX

system, use the what command. The following is an example of the

command and its output:

% what $MPI_ROOT/bin/mpicc

$MPI_ROOT/bin/mpicc:

HP MPI 02.01.01.00 (dd/mm/yyyy) B6060BA - HP-UX 11.i

This command returns the HP-MPI version number, the release date,

HP-MPI product numbers, and the operating system version.

For Linux systems, use

% ident $MPI_ROOT/bin/mpirun

% rpm -qa | grep hpmpi

For Windows systems, use

> "%MPI_ROOT%\bin\mprun" -version

mpirun: HP MPI 01.00.00.00 Windows 32

major version 100 minor version 0