quda::MPCG Class Reference

#include <invert_quda.h>

Inheritance diagram for quda::MPCG:

Collaboration diagram for quda::MPCG:

Public Member Functions
	MPCG (DiracMatrix &mat, SolverParam &param, TimeProfile &profile)
virtual	~MPCG ()
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 Member Functions
void	computeMatrixPowers (cudaColorSpinorField out[], cudaColorSpinorField &in, int nvec)
void	computeMatrixPowers (std::vector< cudaColorSpinorField > &out, std::vector< cudaColorSpinorField > &in, int nsteps)

Private Attributes
const DiracMatrix &	mat

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 673 of file invert_quda.h.

Constructor & Destructor Documentation

MPCG()

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

Definition at line 93 of file inv_mpcg_quda.cpp.

~MPCG()

quda::MPCG::~MPCG ( )

virtual

Definition at line 99 of file inv_mpcg_quda.cpp.

Member Function Documentation

computeMatrixPowers() [1/2]

void quda::MPCG::computeMatrixPowers ( cudaColorSpinorField  out[], cudaColorSpinorField &  in, int  nvec  )

private

Definition at line 103 of file inv_mpcg_quda.cpp.

References in, mat, and nvec.

Referenced by operator()().

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computeMatrixPowers() [2/2]

void quda::MPCG::computeMatrixPowers ( std::vector< cudaColorSpinorField > &  out, std::vector< cudaColorSpinorField > &  in, int  nsteps  )

private

Definition at line 113 of file inv_mpcg_quda.cpp.

References mat, mu, and quda::blas::reDotProduct().

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operator()()

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

virtual

Implements quda::Solver.

Definition at line 203 of file inv_mpcg_quda.cpp.

References quda::blas::ax(), quda::blas::axpy(), quda::computeCoeffs(), computeMatrixPowers(), quda::Solver::convergence(), quda::ColorSpinorParam::create, csParam, errorQuda, quda::it, mat, quda::SolverParam::maxiter, quda::blas::norm2(), quda::Solver::param, printfQuda, quda::Solver::PrintStats(), quda::Solver::PrintSummary(), quda::Solver::profile, quda::QUDA_PROFILE_INIT, QUDA_ZERO_FIELD_CREATE, R, quda::SolverParam::residual_type, quda::s, quda::sqrt(), quda::Solver::stopping(), quda::SolverParam::tol, quda::SolverParam::tol_hq, quda::SolverParam::true_res, quda::SolverParam::true_res_hq, V, quda::blas::xmyNorm(), quda::blas::zero(), and quda::zero().

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Member Data Documentation

mat

const DiracMatrix& quda::MPCG::mat

private

Definition at line 675 of file invert_quda.h.

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

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

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