Support HDF5 output with one rank having no cells #13962
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tamiko
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Jul 6, 2022
| @@ -0,0 +1,91 @@ | |||
| // --------------------------------------------------------------------- | |||
| // | |||
| // Copyright (C) 2017 - 2021 by the deal.II authors | |||
| // Verify that there are indeed patches to be written out. most of the times, | ||
| // people just forget to call build_patches when there are no patches, so a | ||
| // warning is in order. That said, the assertion is disabled if we run with | ||
| // more than one MPI rank, |
tjhei
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Sep 2, 2022
followup to dealii#13962 (hdf writing with no cells on rank 0) fixes dealii#13404
mkghadban
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Sep 8, 2022
Support HDF5 output with one rank having no cells
tjhei
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Sep 18, 2022
followup to dealii#13962 (hdf writing with no cells on rank 0) fixes dealii#13404
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This is the first part of the fix for #13404 to fix the hdf5 output itself. The xdmf output will have to wait for a separate PR.
It turns out that fixing this was a lot harder than expected as information is needed on all MPI ranks that is just not available (number of cells, type of cells, etc.). It seems easier to create a subcoommunicator.
part of #13404