[ET Trac] [Einstein Toolkit] #1075: Test cases with specific number of processes

[Einstein Toolkit]

#1075: Test cases with specific number of processes
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  Reporter:  eschnett     |       Owner:     
      Type:  enhancement  |      Status:  new
  Priority:  major        |   Milestone:     
 Component:  Cactus       |     Version:     
Resolution:               |    Keywords:     
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Comment (by rhaas):

 hdf5 test suites will only help if we also either redesign the internal
 hdf5 format or write a clever comparison program. Right now, even 1d or 2d
 hdf5 files will internally show how many components (ie. processes)
 existed. The layout is very similar to CarpetIOASCII's output, just with
 hdf5 datasets instead of blocks of numbers.

 You can get almost process number independent output when using
 compact_format, no headers, no ghost or symmetry points. The difference
 then is only some extra blank lines which currently are significant for
 the test system. One could very likely make compact format do away with
 the extra empty line.

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Ticket URL: <https://trac.einsteintoolkit.org/ticket/1075#comment:6>
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