quda::PreconCG Class Reference

#include <invert_quda.h>

Inheritance diagram for quda::PreconCG:

Collaboration diagram for quda::PreconCG:

Public Member Functions
	PreconCG (DiracMatrix &mat, DiracMatrix &matSloppy, DiracMatrix &matPrecon, SolverParam &param, TimeProfile &profile)
virtual	~PreconCG ()
void	operator() (ColorSpinorField &out, ColorSpinorField &in)
Public Member Functions inherited from quda::Solver
	Solver (SolverParam &param, TimeProfile &profile)
virtual	~Solver ()
virtual void	blocksolve (ColorSpinorField &out, ColorSpinorField &in)
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
const DiracMatrix &	mat
const DiracMatrix &	matSloppy
const DiracMatrix &	matPrecon
Solver *	K
SolverParam	Kparam

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 689 of file invert_quda.h.

Constructor & Destructor Documentation

PreconCG()

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

Definition at line 39 of file inv_pcg_quda.cpp.

References errorQuda, quda::fillInnerSolverParam(), quda::SolverParam::inv_type_precondition, K, Kparam, QUDA_CG_INVERTER, QUDA_INVALID_INVERTER, QUDA_MR_INVERTER, and QUDA_SD_INVERTER.

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~PreconCG()

quda::PreconCG::~PreconCG ( )

virtual

Definition at line 56 of file inv_pcg_quda.cpp.

References K, quda::Solver::profile, and quda::QUDA_PROFILE_FREE.

Member Function Documentation

operator()()

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

virtual

Implements quda::Solver.

Definition at line 65 of file inv_pcg_quda.cpp.

References quda::axpy(), quda::blas::axpyCGNorm(), quda::blas::axpyZpbx(), commGlobalReductionSet(), quda::Solver::convergence(), quda::copy(), quda::ColorSpinorParam::create, csParam, quda::SolverParam::delta, quda::blas::flops, quda::DiracMatrix::flops(), getVerbosity(), quda::SolverParam::gflops, quda::blas::HeavyQuarkResidualNorm(), quda::SolverParam::iter, K, quda::TimeProfile::Last(), mat, matPrecon, matSloppy, quda::SolverParam::max_res_increase, quda::SolverParam::max_res_increase_total, quda::SolverParam::maxiter, quda::norm2(), quda::Solver::param, quda::LatticeField::Precision(), quda::SolverParam::precision_precondition, quda::SolverParam::precision_sloppy, printfQuda, quda::Solver::PrintStats(), quda::Solver::profile, QUDA_COPY_FIELD_CREATE, QUDA_HEAVY_QUARK_RESIDUAL, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_PREAMBLE, QUDA_REFERENCE_FIELD_CREATE, QUDA_VERBOSE, QUDA_ZERO_FIELD_CREATE, quda::blas::reDotProduct(), quda::SolverParam::residual_type, quda::SolverParam::secs, quda::ColorSpinorParam::setPrecision(), quda::sqrt(), quda::Solver::stopping(), quda::SolverParam::tol, quda::SolverParam::tol_hq, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, updateR(), quda::SolverParam::use_sloppy_partial_accumulator, warningQuda, quda::blas::xmyNorm(), quda::blas::xpay(), quda::blas::xpy(), and quda::zero().

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Member Data Documentation

K

Solver* quda::PreconCG::K

private

Definition at line 695 of file invert_quda.h.

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

Kparam

SolverParam quda::PreconCG::Kparam

private

Definition at line 696 of file invert_quda.h.

Referenced by PreconCG().

mat

const DiracMatrix& quda::PreconCG::mat

private

Definition at line 691 of file invert_quda.h.

Referenced by operator()().

matPrecon

const DiracMatrix& quda::PreconCG::matPrecon

private

Definition at line 693 of file invert_quda.h.

Referenced by operator()().

matSloppy

const DiracMatrix& quda::PreconCG::matSloppy

private

Definition at line 692 of file invert_quda.h.

Referenced by operator()().

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

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