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Thorough Testing

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The examples/test directory contains subdirectories of small programs that systematically test a large subset of the MPI functions. The command

make testing 

in the mpich/examples/test directory will cause these programs to be compiled, linked, executed, and their output to be compared with the expected output. Linking all these test programs takes up considerable space, so you might want to do

make clean 

in the test directory afterwards. The individual parts of MPI (point-to-point, collective, topology, etc.) can be tested separately by

make testing 

in the separate subdirectories for examples/test.

If your disk space is limited, consider either running with

make testing TESTARGS=-small 

or by going to each directory and executing

./runtests -small 

With the -small switch, each executable is built, run, and deleted before the next test program is built.

If you have a problem, first check the troubleshooting guides and the lists of known problems. If you still need help, send detailed information to mpi-bugs@mcs.anl.gov.

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Up: Contents Next: Installing
 mpich
 for Others to Use Previous: Special Considerations for Running with Shared Memory