PCAIRGetReuseStorageComplexity

Returns the reuse storage complexity of the PCAIR multigrid hierarchy

Synopsis

PETSC_EXTERN PetscErrorCode PCAIRGetReuseStorageComplexity(PC pc, PetscReal *complexity)

Not Collective

Input Parameter

• pc - the PCAIR preconditioner context

Output Parameter

• complexity - the reuse storage complexity of the hierarchy (0 when reuse is disabled), or -1 if PCSetUp() has not yet been called

Note

Reuse storage complexity is the total number of nonzeros in the matrices and index sets kept in memory to accelerate a subsequent setup, divided by the number of nonzeros in the finest-level matrix.

See Also

KSP: Linear System Solvers, PCAIR, PCSetUp(), PCAIRGetNumLevels(), PCAIRGetGridComplexity(), PCAIRGetOperatorComplexity(), PCAIRGetCycleComplexity(), PCAIRGetStorageComplexity()

Level

advanced

Index of all PC routines
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Index of all manual pages