DMStagGetNumRanks#

get number of ranks in each direction in the global grid decomposition

Synopsis#

PetscErrorCode DMStagGetNumRanks(DM dm, PetscInt *nRanks0, PetscInt *nRanks1, PetscInt *nRanks2)

Not Collective

Input Parameter#

  • dm - the DMStag object

Output Parameters#

  • nRanks0,nRanks1,nRanks2 - number of ranks in each direction in the grid decomposition

Notes#

Arguments corresponding to higher dimensions are ignored for 1D and 2D grids. These arguments may be set to NULL in this case.

See Also#

DMSTAG, DMStagGetGlobalSizes(), DMStagGetLocalSize(), DMStagSetNumRanks(), DMDAGetInfo()

Level#

intermediate

Location#

src/dm/impls/stag/stagutils.c


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Index of all DMStag routines
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Index of all manual pages