Avoid non-collective behaviour. #912
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Merge after #913. |
Codecov ReportAll modified and coverable lines are covered by tests ✅
Additional details and impacted files@@ Coverage Diff @@
## master #912 +/- ##
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- Coverage 85.96% 85.95% -0.01%
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Files 89 89
Lines 5871 5867 -4
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- Hits 5047 5043 -4
Misses 824 824 ☔ View full report in Codecov by Sentry. |
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MPI collective IO, requires that certain HDF5 functions are called collectively. Here some short-circuiting logic for empty datasets interferes when some, but not all, selections from different MPI ranks are empty.