Dune::PDELab::ISTLAMGStatistics Struct Reference

Class providing some statistics of the AMG solver. More...

#include <dune/pdelab/backend/seqistlsolverbackend.hh>

Public Attributes
double	tprepare
	The needed for computing the parallel information and for adapting the linear system. More...
int	levels
	the number of levels in the AMG hierarchy. More...
double	tsolve
	The time spent in solving the system (without building the hierarchy. More...
double	tsetup
	The time needed for building the AMG hierarchy (coarsening). More...
int	iterations
	The number of iterations performed until convergence was reached. More...
bool	directCoarseLevelSolver
	True if a direct solver was used on the coarset level. More...

Detailed Description

Class providing some statistics of the AMG solver.

Member Data Documentation

bool Dune::PDELab::ISTLAMGStatistics::directCoarseLevelSolver

True if a direct solver was used on the coarset level.

Referenced by Dune::PDELab::ISTLBackend_SEQ_AMG< GO, Dune::SeqSOR, Dune::LoopSolver >::apply(), Dune::PDELab::ISTLBackend_AMG_NOVLP< GO, s, Dune::SeqSSOR, Dune::CGSolver >::apply(), and Dune::PDELab::ISTLBackend_AMG< GO, s, Dune::SeqILU0, Dune::BiCGSTABSolver >::apply().

int Dune::PDELab::ISTLAMGStatistics::iterations

The number of iterations performed until convergence was reached.

int Dune::PDELab::ISTLAMGStatistics::levels

the number of levels in the AMG hierarchy.

Referenced by Dune::PDELab::ISTLBackend_SEQ_AMG< GO, Dune::SeqSOR, Dune::LoopSolver >::apply(), Dune::PDELab::ISTLBackend_AMG_NOVLP< GO, s, Dune::SeqSSOR, Dune::CGSolver >::apply(), and Dune::PDELab::ISTLBackend_AMG< GO, s, Dune::SeqILU0, Dune::BiCGSTABSolver >::apply().

double Dune::PDELab::ISTLAMGStatistics::tprepare

The needed for computing the parallel information and for adapting the linear system.

Referenced by Dune::PDELab::ISTLBackend_AMG_NOVLP< GO, s, Dune::SeqSSOR, Dune::CGSolver >::apply(), and Dune::PDELab::ISTLBackend_AMG< GO, s, Dune::SeqILU0, Dune::BiCGSTABSolver >::apply().

double Dune::PDELab::ISTLAMGStatistics::tsetup

The time needed for building the AMG hierarchy (coarsening).

Referenced by Dune::PDELab::ISTLBackend_SEQ_AMG< GO, Dune::SeqSOR, Dune::LoopSolver >::apply(), Dune::PDELab::ISTLBackend_AMG_NOVLP< GO, s, Dune::SeqSSOR, Dune::CGSolver >::apply(), and Dune::PDELab::ISTLBackend_AMG< GO, s, Dune::SeqILU0, Dune::BiCGSTABSolver >::apply().

double Dune::PDELab::ISTLAMGStatistics::tsolve

The time spent in solving the system (without building the hierarchy.

Referenced by Dune::PDELab::ISTLBackend_SEQ_AMG< GO, Dune::SeqSOR, Dune::LoopSolver >::apply(), Dune::PDELab::ISTLBackend_AMG_NOVLP< GO, s, Dune::SeqSSOR, Dune::CGSolver >::apply(), and Dune::PDELab::ISTLBackend_AMG< GO, s, Dune::SeqILU0, Dune::BiCGSTABSolver >::apply().

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The documentation for this struct was generated from the following file:

• seqistlsolverbackend.hh