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Is there any way to test an MPI job before submitting it to Moab/PBS?

April 26, 2017Job Moab MPI PBS Test

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Is there any way to test an MPI job before submitting it to Moab/PBS?

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Sometimes it is desirable to test a program before submitting it to Moab and waiting several hours or days before it is run. To that end, we have created a special test queue that may be used. In addition, it is permissible to use the interactive nodes to test your MPI code. To do this you must use the -machinefile argument of the mpirun script. This argument points to a text file that lists permissible nodes, one per line.