PCHPDDMGetComplexities#

Computes the grid and operator complexities.

Synopsis#

#include "petscpc.h" 
static PetscErrorCode PCHPDDMGetComplexities(PC pc, PetscReal *gc, PetscReal *oc)

Input Parameter#

  • pc - preconditioner context

Output Parameters#

  • gc - grid complexity = sum_i(m_i) / m_1

  • oc - operator complexity = sum_i(nnz_i) / nnz_1

See Also#

KSP: Linear System Solvers, PCMGGetGridComplexity(), PCHPDDM, PCHYPRE, PCGAMG

Level#

advanced

Location#

src/ksp/pc/impls/hpddm/pchpddm.cxx


Index of all PC routines
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Index of all manual pages