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The PatternIO benchmark is a simple interleaved IO test. It test the ability of the mpi-io implementation to compensate filesystem locks.


Simply compile the benchmark by running make and run it using mpirun.

Example Output

The output generated by running


will look something like this:

Startup Proc[0]
10485760 0.1071

The first number is the transfer size in bytes. The seccond one is the number of GB/s