quda::CGNR Class Reference

#include <invert_quda.h>

Inheritance diagram for quda::CGNR:

Collaboration diagram for quda::CGNR:

Public Member Functions
	CGNR (DiracMatrix &mat, DiracMatrix &matSloppy, SolverParam &param, TimeProfile &profile)
virtual	~CGNR ()
void	operator() (ColorSpinorField &out, ColorSpinorField &in)
	Run CG. More...
Public Member Functions inherited from quda::CG
	CG (DiracMatrix &mat, DiracMatrix &matSloppy, SolverParam &param, TimeProfile &profile)
virtual	~CG ()
void	operator() (ColorSpinorField &out, ColorSpinorField &in, ColorSpinorField *p_init, double r2_old_init)
	Solve re-using an initial Krylov space defined by an initial r2_old_init and search direction p_init. More...
void	blocksolve (ColorSpinorField &out, ColorSpinorField &in)
Public Member Functions inherited from quda::Solver
	Solver (SolverParam &param, TimeProfile &profile)
virtual	~Solver ()
bool	convergence (double r2, double hq2, double r2_tol, double hq_tol)
bool	convergenceHQ (double r2, double hq2, double r2_tol, double hq_tol)
	Test for HQ solver convergence – ignore L2 residual. More...
bool	convergenceL2 (double r2, double hq2, double r2_tol, double hq_tol)
	Test for L2 solver convergence – ignore HQ residual. More...
void	PrintStats (const char *name, int k, double r2, double b2, double hq2)
	Prints out the running statistics of the solver (requires a verbosity of QUDA_VERBOSE) More...
void	PrintSummary (const char *name, int k, double r2, double b2, double r2_tol, double hq_tol)
	Prints out the summary of the solver convergence (requires a verbosity of QUDA_SUMMARIZE). Assumes SolverParam.true_res and SolverParam.true_res_hq has been set. More...
void	constructDeflationSpace (const ColorSpinorField &meta, const DiracMatrix &mat, bool svd)
	Constructs the deflation space. More...
virtual double	flops () const

Private Attributes
DiracMdagM	mdagm
DiracMdagM	mdagmSloppy
ColorSpinorField *	bp
bool	init

Additional Inherited Members
Static Public Member Functions inherited from quda::Solver
static Solver *	create (SolverParam &param, DiracMatrix &mat, DiracMatrix &matSloppy, DiracMatrix &matPrecon, TimeProfile &profile)
static double	stopping (double tol, double b2, QudaResidualType residual_type)
	Set the solver L2 stopping condition. More...
Public Attributes inherited from quda::Solver
EigenSolver *	eig_solve
bool	deflate_init = false
std::vector< ColorSpinorField * >	defl_tmp1
std::vector< ColorSpinorField * >	defl_tmp2
Protected Attributes inherited from quda::Solver
SolverParam &	param
TimeProfile &	profile
int	node_parity

Detailed Description

Definition at line 658 of file invert_quda.h.

Constructor & Destructor Documentation

CGNR()

quda::CGNR::CGNR	(	DiracMatrix &	mat,
		DiracMatrix &	matSloppy,
		SolverParam &	param,
		TimeProfile &	profile
	)

Definition at line 142 of file inv_cg_quda.cpp.

~CGNR()

quda::CGNR::~CGNR ( )

virtual

Definition at line 147 of file inv_cg_quda.cpp.

References bp, and init.

Member Function Documentation

operator()()

void quda::CGNR::operator() ( ColorSpinorField &  out, ColorSpinorField &  in  )

virtual

Run CG.

Parameters

out	Solution vector.
in	Right-hand side.

Reimplemented from quda::CG.

Definition at line 155 of file inv_cg_quda.cpp.

References quda::blas::axpby(), bp, quda::SolverParam::compute_true_res, quda::ColorSpinorParam::create, quda::ColorSpinorField::Create(), csParam, quda::DiracMatrix::Expose(), quda::blas::HeavyQuarkResidualNorm(), init, quda::SolverParam::iter, quda::Dirac::M(), quda::SolverParam::maxiter, quda::Dirac::Mdag(), mdagm, quda::blas::norm2(), quda::SolverParam::Nsteps, quda::CG::operator()(), quda::Solver::param, quda::SolverParam::preserve_source, quda::Solver::PrintSummary(), QUDA_HEAVY_QUARK_RESIDUAL, QUDA_PRESERVE_SOURCE_NO, QUDA_PRESERVE_SOURCE_YES, QUDA_USE_INIT_GUESS_NO, QUDA_ZERO_FIELD_CREATE, quda::SolverParam::residual_type, quda::sqrt(), quda::Solver::stopping(), quda::SolverParam::tol, quda::SolverParam::tol_hq, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, quda::SolverParam::use_init_guess, and quda::blas::zero().

Here is the call graph for this function:

Member Data Documentation

bp

ColorSpinorField* quda::CGNR::bp

private

Definition at line 663 of file invert_quda.h.

Referenced by operator()(), and ~CGNR().

init

bool quda::CGNR::init

private

Definition at line 664 of file invert_quda.h.

Referenced by quda::CG::blocksolve(), quda::CG::operator()(), operator()(), and ~CGNR().

mdagm

DiracMdagM quda::CGNR::mdagm

private

Definition at line 661 of file invert_quda.h.

Referenced by operator()().

mdagmSloppy

DiracMdagM quda::CGNR::mdagmSloppy

private

Definition at line 662 of file invert_quda.h.

---

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

• include/invert_quda.h
• lib/inv_cg_quda.cpp