Testing the Installation

Testing the Installation

To ensure that the Intel® MPI Library is installed and functioning correctly, complete the general testing below, in addition to compiling and running a test program.

To test the installation (on each node of your cluster):

  1. Verify that <installdir>/<arch>/bin is in your PATH:

    $ ssh <nodename> which mpirun
    You should see the correct path for each node you test.

    (SDK only) If you use the Intel® Composer XE packages, verify that the appropriate directories are included in the PATH and LD_LIBRARY_PATH environment variables
    $ mpirun -n <# of processes> env | grep PATH

    You should see the correct directories for these path variables for each node you test. If not, call the appropriate compilervars.[c]sh script. For example, for the Intel® Composer XE 2011 use the following source command:
    $ ./opt/intel/ composerxe-2011/bin/compilervars.sh {ia32|em64t}

  2. In some unusual circumstances, you need to include the <installdir>/<arch>/lib directory in your LD_LIBRARY_PATH. To verify your LD_LIBRARY_PATH settings, use the command:
    $ mpirun -n <# of processes> env | grep LD_LIBRARY_PATH

Per informazioni complete sulle ottimizzazioni del compilatore, consultare l'Avviso sull'ottimizzazione