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These parallel scripts can be run in real time while the data is being taken and can complete within a few minutes of the end of the run.  You can see how to submit MPI psana-python batch jobs in the here.

It is important to emphasize that this code is optimized only for producing SMALL HDF5 files.  For example, it will not run quickly if you save large images for every event and may cause the machines to run out of memory.