#include <invert_quda.h>

Inheritance diagram for quda::GCR:

Collaboration diagram for quda::GCR:

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Public Member Functions
	GCR (DiracMatrix &mat, DiracMatrix &matSloppy, DiracMatrix &matPrecon, SolverParam &param, TimeProfile &profile)

	GCR (DiracMatrix &mat, Solver &K, DiracMatrix &matSloppy, DiracMatrix &matPrecon, SolverParam &param, TimeProfile &profile)

virtual	~GCR ()

void	operator() (ColorSpinorField &out, ColorSpinorField &in)

Public Member Functions inherited from quda::Solver
	Solver (SolverParam &param, TimeProfile &profile)

virtual	~Solver ()

virtual void	solve (ColorSpinorField &out, ColorSpinorField &in)

bool	convergence (const double &r2, const double &hq2, const double &r2_tol, const double &hq_tol)

bool	convergenceHQ (const double &r2, const double &hq2, const double &r2_tol, const double &hq_tol)

bool	convergenceL2 (const double &r2, const double &hq2, const double &r2_tol, const double &hq_tol)

void	PrintStats (const char *, int k, const double &r2, const double &b2, const double &hq2)

void	PrintSummary (const char *name, int k, const double &r2, const double &b2)

virtual double	flops () const

Private Attributes
const DiracMatrix &	mat

const DiracMatrix &	matSloppy

const DiracMatrix &	matPrecon

Solver *	K

SolverParam	Kparam

int	nKrylov

Complex *	alpha

Complex **	beta

double *	gamma

bool	init

ColorSpinorField *	rp

ColorSpinorField *	yp
	residual vector More...

ColorSpinorField *	tmpp
	high precision accumulator More...

ColorSpinorField *	x_sloppy
	temporary for mat-vec More...

ColorSpinorField *	r_sloppy
	sloppy solution vector More...

ColorSpinorField *	r_pre
	sloppy residual vector More...

ColorSpinorField *	p_pre
	residual passed to preconditioner More...

ColorSpinorField *	rM
	preconditioner result More...

std::vector< ColorSpinorField * >	p
	residual vector for doing multi-cycle preconditioning More...

std::vector< ColorSpinorField * >	Ap

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 (const double &tol, const double &b2, QudaResidualType residual_type)

Protected Attributes inherited from quda::Solver
SolverParam &	param

TimeProfile &	profile

Detailed Description

Definition at line 595 of file invert_quda.h.

Constructor & Destructor Documentation

◆ GCR() [1/2]

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

Definition at line 159 of file inv_gcr_quda.cpp.

References alpha, Ap, beta, errorQuda, quda::fillInnerSolveParam(), gamma, fused_exterior_ndeg_tm_dslash_cuda_gen::i, quda::SolverParam::inv_type_precondition, K, Kparam, matPrecon, nKrylov, p, quda::Solver::param, quda::Solver::profile, QUDA_BICGSTAB_INVERTER, QUDA_CG_INVERTER, QUDA_INVALID_INVERTER, QUDA_MR_INVERTER, and QUDA_SD_INVERTER.

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◆ GCR() [2/2]

quda::GCR::GCR	(	DiracMatrix &	mat,
		Solver &	K,
		DiracMatrix &	matSloppy,
		DiracMatrix &	matPrecon,
		SolverParam &	param,
		TimeProfile &	profile
	)

Parameters

K	Preconditioner

Definition at line 190 of file inv_gcr_quda.cpp.

References alpha, Ap, beta, gamma, fused_exterior_ndeg_tm_dslash_cuda_gen::i, nKrylov, and p.

◆ ~GCR()

quda::GCR::~GCR ( )

virtual

Member Function Documentation

◆ operator()()

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

virtual

Implements quda::Solver.

Definition at line 237 of file inv_gcr_quda.cpp.

References alpha, Ap, quda::blas::axpy(), b, beta, quda::blas::cabxpyAxNorm(), quda::blas::cDotProductNormA(), commCoords(), quda::SolverParam::compute_null_vector, quda::SolverParam::compute_true_res, quda::Solver::convergence(), quda::blas::copy(), quda::ColorSpinorField::Create(), csParam, quda::SolverParam::delta, e, errorQuda, quda::blas::flops, quda::Solver::flops(), quda::DiracMatrix::flops(), gamma, getVerbosity(), quda::SolverParam::gflops, quda::blas::HeavyQuarkResidualNorm(), fused_exterior_ndeg_tm_dslash_cuda_gen::i, init, quda::SolverParam::inv_type_precondition, quda::SolverParam::iter, K, quda::TimeProfile::Last(), mat, matPrecon, matSloppy, quda::SolverParam::max_res_increase, quda::SolverParam::max_res_increase_total, quda::SolverParam::maxiter, nKrylov, quda::blas::norm2(), quda::orthoDir(), p, p_pre, quda::Solver::param, parity, pipeline, quda::SolverParam::pipeline, popVerbosity(), quda::SolverParam::precision, quda::SolverParam::precision_precondition, quda::SolverParam::precision_sloppy, quda::SolverParam::precondition_cycle, printfQuda, quda::Solver::PrintStats(), quda::Solver::PrintSummary(), quda::Solver::profile, pushVerbosity(), QUDA_ADDITIVE_SCHWARZ, QUDA_COMPUTE_NULL_VECTOR_NO, QUDA_CPU_FIELD_LOCATION, QUDA_DEBUG_VERBOSE, QUDA_HEAVY_QUARK_RESIDUAL, QUDA_INVALID_INVERTER, QUDA_NULL_FIELD_CREATE, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_PREAMBLE, QUDA_SUMMARIZE, QUDA_USE_INIT_GUESS_YES, QUDA_VERBOSE, r_pre, r_sloppy, quda::SolverParam::residual_type, rM, rp, quda::SolverParam::schwarz_type, quda::SolverParam::secs, quda::sqrt(), quda::Solver::stopping(), tmp, tmpp, quda::SolverParam::tol, quda::SolverParam::tol_hq, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, quda::updateSolution(), quda::SolverParam::use_init_guess, quda::SolverParam::verbosity_precondition, warningQuda, x, x_sloppy, quda::blas::xmyNorm(), quda::blas::xpy(), y, yp, z, and quda::blas::zero().

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Member Data Documentation

◆ alpha

Complex* quda::GCR::alpha

private

Definition at line 610 of file invert_quda.h.

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

◆ Ap

std::vector<ColorSpinorField*> quda::GCR::Ap

private

Definition at line 629 of file invert_quda.h.

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

◆ beta

Complex** quda::GCR::beta

private

Definition at line 611 of file invert_quda.h.

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

◆ gamma

double* quda::GCR::gamma

private

Definition at line 612 of file invert_quda.h.

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

◆ init

bool quda::GCR::init

private

Solver uses lazy allocation: this flag to determine whether we have allocated.

Definition at line 617 of file invert_quda.h.

Referenced by operator()().

◆ K

Solver* quda::GCR::K

private

Definition at line 602 of file invert_quda.h.

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

◆ Kparam

SolverParam quda::GCR::Kparam

private

Definition at line 603 of file invert_quda.h.

Referenced by GCR().

◆ mat

const DiracMatrix& quda::GCR::mat

private

Definition at line 598 of file invert_quda.h.

Referenced by operator()().

◆ matPrecon

const DiracMatrix& quda::GCR::matPrecon

private

Definition at line 600 of file invert_quda.h.

Referenced by GCR(), and operator()().

◆ matSloppy

const DiracMatrix& quda::GCR::matSloppy

private

Definition at line 599 of file invert_quda.h.

Referenced by operator()().

◆ nKrylov

int quda::GCR::nKrylov

private

The size of the Krylov space that GCR uses

Definition at line 608 of file invert_quda.h.

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

◆ p

std::vector<ColorSpinorField*> quda::GCR::p

private

residual vector for doing multi-cycle preconditioning

Definition at line 628 of file invert_quda.h.

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

◆ p_pre

ColorSpinorField* quda::GCR::p_pre

private

residual passed to preconditioner

Definition at line 625 of file invert_quda.h.

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

◆ r_pre

ColorSpinorField* quda::GCR::r_pre

private

sloppy residual vector

Definition at line 624 of file invert_quda.h.

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

◆ r_sloppy

ColorSpinorField* quda::GCR::r_sloppy

private

sloppy solution vector

Definition at line 623 of file invert_quda.h.

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

◆ rM

ColorSpinorField* quda::GCR::rM

private

preconditioner result

Definition at line 626 of file invert_quda.h.

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

◆ rp

ColorSpinorField* quda::GCR::rp

private

Definition at line 619 of file invert_quda.h.

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

◆ tmpp

ColorSpinorField* quda::GCR::tmpp

private

high precision accumulator

Definition at line 621 of file invert_quda.h.

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

◆ x_sloppy

ColorSpinorField* quda::GCR::x_sloppy

private

temporary for mat-vec

Definition at line 622 of file invert_quda.h.

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

◆ yp

ColorSpinorField* quda::GCR::yp

private

residual vector

Definition at line 620 of file invert_quda.h.

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

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

include/invert_quda.h
lib/inv_gcr_quda.cpp

Public Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ GCR() [1/2]

◆ GCR() [2/2]

◆ ~GCR()

Member Function Documentation

◆ operator()()

Member Data Documentation

◆ alpha

◆ Ap

◆ beta

◆ gamma

◆ init

◆ K

◆ Kparam

◆ mat

◆ matPrecon

◆ matSloppy

◆ nKrylov

◆ p

◆ p_pre

◆ r_pre

◆ r_sloppy

◆ rM

◆ rp

◆ tmpp

◆ x_sloppy

◆ yp