Comment (by William Gabella):

The Original par file and the one with the Presync option seem to generate the same X-Y figure, files about the same size, etc. Runtimes are very similar. For our Vanderbilt ACCRE cluster with 8 MPI tasks and 8 CPUs runtime is about 5 minutes.

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Ticket URL: https://bitbucket.org/einsteintoolkit/tickets/issues/2174/test-multi-patch-scalar-wave-equation