QUDA: quda::IncEigCG Class Reference

QUDA 0.9.0

#include <invert_quda.h>

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

virtual	~IncEigCG ()

void	RestartVT (const double beta, const double rho)

void	UpdateVm (ColorSpinorField &res, double beta, double sqrtr2)

int	eigCGsolve (ColorSpinorField &out, ColorSpinorField &in)

int	initCGsolve (ColorSpinorField &out, ColorSpinorField &in)

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
DiracMatrix &	mat

DiracMatrix &	matSloppy

DiracMatrix &	matPrecon

Solver *	K

SolverParam	Kparam

ColorSpinorFieldSet *	Vm

ColorSpinorField *	rp

ColorSpinorField *	yp
	residual vector More...

ColorSpinorField *	p
	high precision accumulator More...

ColorSpinorField *	Ap

ColorSpinorField *	tmpp

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

ColorSpinorField *	r_pre

ColorSpinorField *	p_pre
	residual passed to preconditioner More...

EigCGArgs *	eigcg_args
	preconditioner result More...

TimeProfile &	profile

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

Protected Attributes inherited from quda::Solver
SolverParam &	param

TimeProfile &	profile

Detailed Description

Definition at line 813 of file invert_quda.h.

Constructor & Destructor Documentation

◆ IncEigCG()

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

Definition at line 252 of file inv_eigcg_quda.cpp.

References quda::SolverParam::deflation_grid, errorQuda, quda::fillEigCGInnerSolverParam(), quda::fillInitCGSolverParam(), quda::SolverParam::inv_type, quda::SolverParam::inv_type_precondition, K, Kparam, quda::SolverParam::m, matPrecon, quda::SolverParam::nev, quda::Solver::param, printfQuda, profile, QUDA_CG_INVERTER, QUDA_EIGCG_INVERTER, QUDA_INC_EIGCG_INVERTER, QUDA_INVALID_INVERTER, QUDA_MR_INVERTER, QUDA_SD_INVERTER, and quda::SolverParam::rhs_idx.

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◆ ~IncEigCG()

quda::IncEigCG::~IncEigCG ( )

virtual

Definition at line 282 of file inv_eigcg_quda.cpp.

References Ap, Az, eigcg_args, init, K, p, p_pre, r_pre, rp, tmpp, Vm, and yp.

Member Function Documentation

◆ eigCGsolve()

int quda::IncEigCG::eigCGsolve	(	ColorSpinorField &	out,
		ColorSpinorField &	in
	)

Definition at line 373 of file inv_eigcg_quda.cpp.

References Ap, args, quda::blas::axpyNorm(), quda::blas::axpyZpbx(), Az, b, checkLocation, commGlobalReductionSet(), quda::Solver::convergence(), quda::blas::copy(), quda::ColorSpinorField::Create(), csParam, e, eigcg_args, errorQuda, quda::blas::flops, quda::DiracMatrix::flops(), quda::SolverParam::gflops, quda::EigCGArgs::global_stop, quda::blas::HeavyQuarkResidualNorm(), init, quda::SolverParam::inv_type, quda::SolverParam::iter, K, Kparam, quda::TimeProfile::Last(), quda::SolverParam::m, matSloppy, quda::SolverParam::maxiter, quda::SolverParam::nev, quda::blas::norm2(), p, p_pre, quda::Solver::param, quda::SolverParam::precision_precondition, quda::SolverParam::precision_ritz, quda::SolverParam::precision_sloppy, printfQuda, quda::Solver::PrintStats(), quda::Solver::PrintSummary(), profile, QUDA_COPY_FIELD_CREATE, QUDA_CUDA_FIELD_LOCATION, QUDA_DOUBLE_PRECISION, QUDA_HEAVY_QUARK_RESIDUAL, QUDA_INC_EIGCG_INVERTER, quda::QUDA_PROFILE_COMPUTE, quda::QUDA_PROFILE_EPILOGUE, quda::QUDA_PROFILE_FREE, quda::QUDA_PROFILE_INIT, quda::QUDA_PROFILE_PREAMBLE, QUDA_ZERO_FIELD_CREATE, r_pre, quda::blas::reDotProduct(), quda::SolverParam::residual_type, rp, 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, UpdateVm(), Vm, warningQuda, x, quda::blas::xmyNorm(), quda::blas::xpy(), y, yp, z, and quda::blas::zero().

Referenced by operator()().

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◆ initCGsolve()

int quda::IncEigCG::initCGsolve	(	ColorSpinorField &	out,
		ColorSpinorField &	in
	)

Definition at line 575 of file inv_eigcg_quda.cpp.

References b, quda::ColorSpinorField::Create(), csParam, quda::deflated_solver::defl, quda::SolverParam::deflation_op, getVerbosity(), quda::SolverParam::gflops, quda::SolverParam::inc_tol, quda::SolverParam::iter, K, Kparam, mat, matPrecon, quda::SolverParam::max_restart_num, quda::Solver::param, quda::SolverParam::precision, quda::SolverParam::precision_ritz, printfQuda, profile, QUDA_VERBOSE, QUDA_ZERO_FIELD_CREATE, rp, quda::SolverParam::secs, tmp2, quda::SolverParam::tol, quda::SolverParam::tol_restart, x, and quda::blas::xpay().

Referenced by operator()().

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◆ operator()()

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

virtual

Implements quda::Solver.

Definition at line 648 of file inv_eigcg_quda.cpp.

References quda::ColorSpinorField::Create(), csParam, quda::deflated_solver::defl, quda::SolverParam::deflation_grid, quda::SolverParam::deflation_op, e, eigcg_args, quda::SolverParam::eigcg_max_restarts, eigCGsolve(), quda::SolverParam::eigenval_tol, errorQuda, getVerbosity(), quda::blas::HeavyQuarkResidualNorm(), in, quda::SolverParam::inc_tol, quda::Deflation::increment(), initCGsolve(), quda::Deflation::is_complete(), quda::SolverParam::iter, K, Kparam, mat, matPrecon, matSloppy, quda::max_eigcg_cycles, quda::SolverParam::nev, quda::norm2(), out, quda::Solver::param, quda::SolverParam::precision, quda::SolverParam::precision_sloppy, printfQuda, quda::Solver::PrintSummary(), profile, QUDA_VERBOSE, QUDA_ZERO_FIELD_CREATE, quda::Deflation::reduce(), quda::EigCGArgs::restarts, quda::SolverParam::rhs_idx, rp, quda::EigCGArgs::run_residual_correction, quda::Deflation::size(), quda::sqrt(), quda::SolverParam::tol, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, quda::Deflation::verify(), Vm, warningQuda, quda::blas::xmyNorm(), quda::blas::xpy(), z, and quda::blas::zero().

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◆ RestartVT()

void quda::IncEigCG::RestartVT	(	const double	beta,
		const double	rho
	)

Definition at line 308 of file inv_eigcg_quda.cpp.

References Ap, args, Az, quda::blas::caxpy(), quda::ColorSpinorField::Component(), quda::ColorSpinorField::Components(), quda::blas::copy(), eigcg_args, errorQuda, quda::SolverParam::extlib_type, fused_exterior_ndeg_tm_dslash_cuda_gen::i, omega, quda::Solver::param, quda::LatticeField::Precision(), QUDA_EIGEN_EXTLIB, QUDA_MAGMA_EXTLIB, Vm, quda::blas::xpay(), and quda::blas::zero().

Referenced by UpdateVm().

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◆ UpdateVm()

void quda::IncEigCG::UpdateVm	(	ColorSpinorField &	res,
		double	beta,
		double	sqrtr2
	)

Definition at line 349 of file inv_eigcg_quda.cpp.

References Ap, args, quda::blas::ax(), Az, quda::ColorSpinorField::Component(), quda::blas::copy(), eigcg_args, quda::SolverParam::m, quda::Solver::param, RestartVT(), and Vm.

Referenced by eigCGsolve().

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Member Data Documentation

◆ Ap

ColorSpinorField* quda::IncEigCG::Ap

private

Definition at line 828 of file invert_quda.h.

Referenced by eigCGsolve(), RestartVT(), UpdateVm(), and ~IncEigCG().

◆ Az

ColorSpinorField* quda::IncEigCG::Az

private

temporary for mat-vec

Definition at line 830 of file invert_quda.h.

Referenced by eigCGsolve(), RestartVT(), UpdateVm(), and ~IncEigCG().

◆ eigcg_args

EigCGArgs* quda::IncEigCG::eigcg_args

private

preconditioner result

Definition at line 834 of file invert_quda.h.

Referenced by eigCGsolve(), operator()(), RestartVT(), UpdateVm(), and ~IncEigCG().

◆ init

bool quda::IncEigCG::init

private

Definition at line 838 of file invert_quda.h.

Referenced by eigCGsolve(), and ~IncEigCG().

◆ K

Solver* quda::IncEigCG::K

private

Definition at line 820 of file invert_quda.h.

Referenced by eigCGsolve(), IncEigCG(), initCGsolve(), operator()(), and ~IncEigCG().

◆ Kparam

SolverParam quda::IncEigCG::Kparam

private

Definition at line 821 of file invert_quda.h.

Referenced by eigCGsolve(), IncEigCG(), initCGsolve(), and operator()().

◆ mat

DiracMatrix& quda::IncEigCG::mat

private

Definition at line 816 of file invert_quda.h.

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

◆ matPrecon

DiracMatrix& quda::IncEigCG::matPrecon

private

Definition at line 818 of file invert_quda.h.

Referenced by IncEigCG(), initCGsolve(), and operator()().

◆ matSloppy

DiracMatrix& quda::IncEigCG::matSloppy

private

Definition at line 817 of file invert_quda.h.

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

◆ p

ColorSpinorField* quda::IncEigCG::p

private

high precision accumulator

Definition at line 827 of file invert_quda.h.

Referenced by eigCGsolve(), and ~IncEigCG().

◆ p_pre

ColorSpinorField* quda::IncEigCG::p_pre

private

residual passed to preconditioner

Definition at line 832 of file invert_quda.h.

Referenced by eigCGsolve(), and ~IncEigCG().

◆ profile

TimeProfile& quda::IncEigCG::profile

private

Definition at line 836 of file invert_quda.h.

Referenced by eigCGsolve(), IncEigCG(), initCGsolve(), and operator()().

◆ r_pre

ColorSpinorField* quda::IncEigCG::r_pre

private

Definition at line 831 of file invert_quda.h.

Referenced by eigCGsolve(), and ~IncEigCG().

◆ rp

ColorSpinorField* quda::IncEigCG::rp

private

Definition at line 825 of file invert_quda.h.

Referenced by eigCGsolve(), initCGsolve(), operator()(), and ~IncEigCG().

◆ tmpp

ColorSpinorField* quda::IncEigCG::tmpp

private

Definition at line 829 of file invert_quda.h.

Referenced by eigCGsolve(), and ~IncEigCG().

◆ Vm

ColorSpinorFieldSet* quda::IncEigCG::Vm

private

Definition at line 823 of file invert_quda.h.

Referenced by eigCGsolve(), operator()(), RestartVT(), UpdateVm(), and ~IncEigCG().

◆ yp

ColorSpinorField* quda::IncEigCG::yp

private

residual vector

Definition at line 826 of file invert_quda.h.

Referenced by eigCGsolve(), and ~IncEigCG().

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

include/invert_quda.h
lib/inv_eigcg_quda.cpp