HighFive 2.7.1
HighFive - Header-only C++ HDF5 interface
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Use collective MPI-IO for metadata read? More...
#include <H5PropertyList.hpp>
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MPIOCollectiveMetadataRead (bool collective=true) | |
MPIOCollectiveMetadataRead (const FileAccessProps &plist) | |
bool | isCollective () const |
Use collective MPI-IO for metadata read?
Note that when used in a file access property list, this will force all reads of meta data to be collective. HDF5 function may implicitly perform metadata reads. These functions would become collective. A list of functions that perform metadata reads can be found in the HDF5 documentation, e.g. https://docs.hdfgroup.org/hdf5/v1_12/group___g_a_c_p_l.html
In HighFive setting collective read is (currently) only supported on file level.
Please also consult upstream documentation of H5Pset_all_coll_metadata_ops
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