mfem::GinkgoWrappers::IRSolver Class Reference

#include <ginkgo.hpp>

Inheritance diagram for mfem::GinkgoWrappers::IRSolver:

Collaboration diagram for mfem::GinkgoWrappers::IRSolver:

Public Member Functions
	IRSolver (const std::string &exec_type, int print_iter, int max_num_iter, double RTOLERANCE, double ATOLERANCE)
	IRSolver (const std::string &exec_type, int print_iter, int max_num_iter, double RTOLERANCE, double ATOLERANCE, const gko::LinOpFactory *inner_solver)
Public Member Functions inherited from mfem::GinkgoWrappers::GinkgoIterativeSolverBase
	GinkgoIterativeSolverBase (const std::string &exec_type, int print_iter, int max_num_iter, double RTOLERANCE, double ATOLERANCE)
virtual	~GinkgoIterativeSolverBase ()=default
void	initialize (const SparseMatrix *matrix)
void	apply (Vector &solution, const Vector &rhs)
void	solve (const SparseMatrix *matrix, Vector &solution, const Vector &rhs)

Additional Inherited Members
Protected Attributes inherited from mfem::GinkgoWrappers::GinkgoIterativeSolverBase
int	print_lvl
int	max_iter
double	rel_tol
double	abs_tol
double	final_norm
int	final_iter
int	converged
std::shared_ptr < gko::LinOpFactory >	solver_gen
std::shared_ptr < gko::stop::ResidualNormReduction <>::Factory >	residual_criterion
std::shared_ptr < gko::log::Convergence<> >	convergence_logger
std::shared_ptr< ResidualLogger<> >	residual_logger
std::shared_ptr < gko::stop::Combined::Factory >	combined_factory
std::shared_ptr< gko::Executor >	executor

Detailed Description

An implementation of the solver interface using the Ginkgo IR solver.

Iterative refinement (IR) is an iterative method that uses another coarse method to approximate the error of the current solution via the current residual.

Definition at line 602 of file ginkgo.hpp.

Constructor & Destructor Documentation

mfem::GinkgoWrappers::IRSolver::IRSolver	(	const std::string &	exec_type,
		int	print_iter,
		int	max_num_iter,
		double	RTOLERANCE,
		double	ATOLERANCE
	)

Constructor.

Parameters

[in]	exec_type	The execution paradigm for the solver.
[in]	print_iter	A setting to control the printing to the screen.
[in]	max_num_iter	The maximum number of iterations to be run.
[in]	RTOLERANCE	The relative tolerance to be achieved.
[in]	ATOLERANCE	The absolute tolerance to be achieved.

Definition at line 447 of file ginkgo.cpp.

mfem::GinkgoWrappers::IRSolver::IRSolver	(	const std::string &	exec_type,
		int	print_iter,
		int	max_num_iter,
		double	RTOLERANCE,
		double	ATOLERANCE,
		const gko::LinOpFactory *	inner_solver
	)

Constructor.

Parameters

[in]	exec_type	The execution paradigm for the solver.
[in]	print_iter	A setting to control the printing to the screen.
[in]	max_num_iter	The maximum number of iterations to be run.
[in]	RTOLERANCE	The relative tolerance to be achieved.
[in]	ATOLERANCE	The absolute tolerance to be achieved.
[in]	inner_solver	The inner solver for the main solver.

Definition at line 462 of file ginkgo.cpp.

---

The documentation for this class was generated from the following files:

• linalg/ginkgo.hpp
• linalg/ginkgo.cpp