HighFive 2.7.1
HighFive - Header-only C++ HDF5 interface
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Use collective MPI-IO for metadata write? More...
#include <H5PropertyList.hpp>
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MPIOCollectiveMetadataWrite (bool collective=true) | |
MPIOCollectiveMetadataWrite (const FileAccessProps &plist) | |
bool | isCollective () const |
Use collective MPI-IO for metadata write?
In order to keep the in-memory representation of the file structure consistent across MPI ranks, writing meta data is always a collective operation. Meaning all MPI ranks must participate. Passing this setting enables using MPI-IO collective operations for metadata writes.
Please also consult upstream documentation of H5Pset_coll_metadata_write
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