petsc-master 2020-08-05
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PetscViewerHDF5GetCollective

Return flag whether collective MPI-IO transfer mode is used for HDF5 reads and writes.

Synopsis

#include "petscviewerhdf5.h"   
PetscErrorCode PetscViewerHDF5GetCollective(PetscViewer viewer,PetscBool *flg)
Not Collective

Input Parameters

viewer -the HDF5 PetscViewer

Output Parameters

flg -the flag

Notes

This setting works correctly only since HDF5 1.10.3 and if HDF5 was installed for MPI. For older versions, PETSC_FALSE will be always returned. For more details, see PetscViewerHDF5SetCollective().

See Also

PetscViewerHDF5SetCollective(), PetscViewerCreate(), PetscViewerSetType(), PetscViewerHDF5Open()

Level

intermediate

Location

src/sys/classes/viewer/impls/hdf5/hdf5v.c

Implementations

PetscViewerHDF5GetCollective_HDF5 in src/sys/classes/viewer/impls/hdf5/hdf5v.c

Index of all Viewer routines
Table of Contents for all manual pages
Index of all manual pages