CPU-based preconditioned conjugate gradient solver for symmetric lduMatrices using a run-time selectable preconditiioner, identical to PCG. More...

Inheritance diagram for PCGgpu:

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Collaboration diagram for PCGgpu:

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Public Member Functions
	TypeName ("PCGgpu")
	Runtime type information. More...

	PCGgpu (const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls)
	Construct from matrix components and solver data stream. More...

virtual solverPerformance	solve (scalarField &psi, const scalarField &source, const direction cmpt=0) const
	Solve the matrix with this solver. More...

	TypeName ("PCGgpu")
	Runtime type information. More...

	PCGgpu (const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls)
	Construct from matrix components and solver data stream. More...

Public Member Functions inherited from PCG
	TypeName ("PCG")
	Runtime type information. More...

	PCG (const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls)
	Construct from matrix components and solver controls. More...

virtual	~PCG ()
	Destructor. More...

Public Member Functions inherited from lduMatrix::solver
virtual const word &	type () const =0
	Runtime type information. More...

	declareRunTimeSelectionTable (autoPtr, solver, symMatrix,(const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls),(fieldName, matrix, interfaceBouCoeffs, interfaceIntCoeffs, interfaces, solverControls))

	declareRunTimeSelectionTable (autoPtr, solver, asymMatrix,(const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls),(fieldName, matrix, interfaceBouCoeffs, interfaceIntCoeffs, interfaces, solverControls))

	solver (const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls)

virtual	~solver ()
	Destructor. More...

const word &	fieldName () const

const lduMatrix &	matrix () const

const FieldField< Field, scalar > &	interfaceBouCoeffs () const

const FieldField< Field, scalar > &	interfaceIntCoeffs () const

const lduInterfaceFieldPtrsList &	interfaces () const

virtual void	read (const dictionary &)
	Read and reset the solver parameters from the given stream. More...

scalar	normFactor (const scalarField &psi, const scalarField &source, const scalarField &Apsi, scalarField &tmpField) const
	Return the matrix norm used to normalise the residual for the. More...

Private Member Functions
	PCGgpu (const PCGgpu &)
	Disallow default bitwise copy construct. More...

void	operator= (const PCGgpu &)
	Disallow default bitwise assignment. More...

	PCGgpu (const PCGgpu &)
	Disallow default bitwise copy construct. More...

void	operator= (const PCGgpu &)
	Disallow default bitwise assignment. More...

Additional Inherited Members
Static Public Member Functions inherited from lduMatrix::solver
static autoPtr< solver >	New (const word &fieldName, const lduMatrix &matrix, const FieldField< Field, scalar > &interfaceBouCoeffs, const FieldField< Field, scalar > &interfaceIntCoeffs, const lduInterfaceFieldPtrsList &interfaces, const dictionary &solverControls)
	Return a new solver. More...

Protected Member Functions inherited from lduMatrix::solver
virtual void	readControls ()
	Read the control parameters from the controlDict_. More...

Protected Attributes inherited from lduMatrix::solver
word	fieldName_

const lduMatrix &	matrix_

const FieldField< Field, scalar > &	interfaceBouCoeffs_

const FieldField< Field, scalar > &	interfaceIntCoeffs_

lduInterfaceFieldPtrsList	interfaces_

dictionary	controlDict_
	Dictionary of controls. More...

label	maxIter_
	Maximum number of iterations in the solver. More...

label	minIter_
	Minimum number of iterations in the solver. More...

scalar	tolerance_
	Final convergence tolerance. More...

scalar	relTol_
	Convergence tolerance relative to the initial. More...

Detailed Description

CPU-based preconditioned conjugate gradient solver for symmetric lduMatrices using a run-time selectable preconditiioner, identical to PCG.

Source files

Definition at line 46 of file PCGgpu.H.

Constructor & Destructor Documentation

◆ PCGgpu() [1/4]

PCGgpu ( const PCGgpu & )

private

Disallow default bitwise copy construct.

◆ PCGgpu() [2/4]

PCGgpu	(	const word &	fieldName,
		const lduMatrix &	matrix,
		const FieldField< Field, scalar > &	interfaceBouCoeffs,
		const FieldField< Field, scalar > &	interfaceIntCoeffs,
		const lduInterfaceFieldPtrsList &	interfaces,
		const dictionary &	solverControls
	)

Construct from matrix components and solver data stream.

Definition at line 42 of file PCGgpu.C.

◆ PCGgpu() [3/4]

PCGgpu ( const PCGgpu & )

private

Disallow default bitwise copy construct.

◆ PCGgpu() [4/4]

PCGgpu	(	const word &	fieldName,
		const lduMatrix &	matrix,
		const FieldField< Field, scalar > &	interfaceBouCoeffs,
		const FieldField< Field, scalar > &	interfaceIntCoeffs,
		const lduInterfaceFieldPtrsList &	interfaces,
		const dictionary &	solverControls
	)

Construct from matrix components and solver data stream.

Member Function Documentation

◆ operator=() [1/2]

void operator= ( const PCGgpu & )

private

Disallow default bitwise assignment.

◆ TypeName() [1/2]

TypeName ( "PCGgpu" )

Runtime type information.

◆ solve()

Foam::solverPerformance solve	(	scalarField &	psi,
		const scalarField &	source,
		const direction	cmpt = `0`
	)		const

virtual

Solve the matrix with this solver.

Reimplemented from PCG.

Definition at line 66 of file PCGgpu.C.

References UList::begin(), lduAddressing::losortAddr(), lduAddressing::losortStartAddr(), lduAddressing::lowerAddr(), lduAddressing::ownerStartAddr(), psi, UList::size(), and lduAddressing::upperAddr().

Here is the call graph for this function:

◆ operator=() [2/2]

void operator= ( const PCGgpu & )

private

Disallow default bitwise assignment.

◆ TypeName() [2/2]

TypeName ( "PCGgpu" )

Runtime type information.

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

src/gpu/cuda/PCGgpu.H
src/gpu/cuda/PCGgpu.C

Public Member Functions

Private Member Functions

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ PCGgpu() [1/4]

◆ PCGgpu() [2/4]

◆ PCGgpu() [3/4]

◆ PCGgpu() [4/4]

Member Function Documentation

◆ operator=() [1/2]

◆ TypeName() [1/2]

◆ solve()

◆ operator=() [2/2]

◆ TypeName() [2/2]