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 Parameter#

Output Parameter#

  • flg - the flag

Note#

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#

Viewers: Looking at PETSc Objects, PETSCVIEWERHDF5, 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

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Index of all Viewer routines
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Index of all manual pages