Auxiliary device class used by ParFiniteElementSpace. More...

#include <pfespace.hpp>

Inheritance diagram for mfem::DeviceConformingProlongationOperator:

Collaboration diagram for mfem::DeviceConformingProlongationOperator:

Public Member Functions
	DeviceConformingProlongationOperator (const GroupCommunicator &gc_, const SparseMatrix *R, bool local_=false)

	DeviceConformingProlongationOperator (const ParFiniteElementSpace &pfes, bool local_=false)

virtual	~DeviceConformingProlongationOperator ()

virtual void	Mult (const Vector &x, Vector &y) const
	Operator application: `y=A(x)`. More...

virtual void	MultTranspose (const Vector &x, Vector &y) const
	Action of the transpose operator: `y=A^t(x)`. The default behavior in class Operator is to generate an error. More...

Public Member Functions inherited from mfem::ConformingProlongationOperator
	ConformingProlongationOperator (int lsize, const GroupCommunicator &gc_, bool local_=false)

	ConformingProlongationOperator (const ParFiniteElementSpace &pfes, bool local_=false)

const GroupCommunicator &	GetGroupCommunicator () const

Public Member Functions inherited from mfem::Operator
void	InitTVectors (const Operator Po, const Operator Ri, const Operator *Pi, Vector &x, Vector &b, Vector &X, Vector &B) const
	Initializes memory for true vectors of linear system. More...

	Operator (int s=0)
	Construct a square Operator with given size s (default 0). More...

	Operator (int h, int w)
	Construct an Operator with the given height (output size) and width (input size). More...

int	Height () const
	Get the height (size of output) of the Operator. Synonym with NumRows(). More...

int	NumRows () const
	Get the number of rows (size of output) of the Operator. Synonym with Height(). More...

int	Width () const
	Get the width (size of input) of the Operator. Synonym with NumCols(). More...

int	NumCols () const
	Get the number of columns (size of input) of the Operator. Synonym with Width(). More...

virtual MemoryClass	GetMemoryClass () const
	Return the MemoryClass preferred by the Operator. More...

virtual void	AddMult (const Vector &x, Vector &y, const double a=1.0) const
	Operator application: `y+=A(x)` (default) or `y+=a*A(x)`. More...

virtual void	AddMultTranspose (const Vector &x, Vector &y, const double a=1.0) const
	Operator transpose application: `y+=A^t(x)` (default) or `y+=a*A^t(x)`. More...

virtual void	ArrayMult (const Array< const Vector > &X, Array< Vector > &Y) const
	Operator application on a matrix: `Y=A(X)`. More...

virtual void	ArrayMultTranspose (const Array< const Vector > &X, Array< Vector > &Y) const
	Action of the transpose operator on a matrix: `Y=A^t(X)`. More...

virtual void	ArrayAddMult (const Array< const Vector > &X, Array< Vector > &Y, const double a=1.0) const
	Operator application on a matrix: `Y+=A(X)` (default) or `Y+=a*A(X)`. More...

virtual void	ArrayAddMultTranspose (const Array< const Vector > &X, Array< Vector > &Y, const double a=1.0) const
	Operator transpose application on a matrix: `Y+=A^t(X)` (default) or `Y+=a*A^t(X)`. More...

virtual Operator &	GetGradient (const Vector &x) const
	Evaluate the gradient operator at the point x. The default behavior in class Operator is to generate an error. More...

virtual void	AssembleDiagonal (Vector &diag) const
	Computes the diagonal entries into diag. Typically, this operation only makes sense for linear Operators. In some cases, only an approximation of the diagonal is computed. More...

virtual const Operator *	GetProlongation () const
	Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. `NULL` means identity. More...

virtual const Operator *	GetRestriction () const
	Restriction operator from input vectors for the operator to linear algebra (linear system) vectors. `NULL` means identity. More...

virtual const Operator *	GetOutputProlongation () const
	Prolongation operator from linear algebra (linear system) vectors, to output vectors for the operator. `NULL` means identity. More...

virtual const Operator *	GetOutputRestrictionTranspose () const
	Transpose of GetOutputRestriction, directly available in this form to facilitate matrix-free RAP-type operators. More...

virtual const Operator *	GetOutputRestriction () const
	Restriction operator from output vectors for the operator to linear algebra (linear system) vectors. `NULL` means identity. More...

void	FormLinearSystem (const Array< int > &ess_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B, int copy_interior=0)
	Form a constrained linear system using a matrix-free approach. More...

void	FormRectangularLinearSystem (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Vector &x, Vector &b, Operator *&A, Vector &X, Vector &B)
	Form a column-constrained linear system using a matrix-free approach. More...

virtual void	RecoverFEMSolution (const Vector &X, const Vector &b, Vector &x)
	Reconstruct a solution vector x (e.g. a GridFunction) from the solution X of a constrained linear system obtained from Operator::FormLinearSystem() or Operator::FormRectangularLinearSystem(). More...

void	FormSystemOperator (const Array< int > &ess_tdof_list, Operator *&A)
	Return in A a parallel (on truedofs) version of this square operator. More...

void	FormRectangularSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, Operator *&A)
	Return in A a parallel (on truedofs) version of this rectangular operator (including constraints). More...

void	FormDiscreteOperator (Operator *&A)
	Return in A a parallel (on truedofs) version of this rectangular operator. More...

void	PrintMatlab (std::ostream &out, int n, int m=0) const
	Prints operator with input size n and output size m in Matlab format. More...

virtual void	PrintMatlab (std::ostream &out) const
	Prints operator in Matlab format. More...

virtual	~Operator ()
	Virtual destructor. More...

Type	GetType () const
	Return the type ID of the Operator class. More...

Protected Member Functions
void	BcastBeginCopy (const Vector &src) const

void	BcastLocalCopy (const Vector &src, Vector &dst) const

void	BcastEndCopy (Vector &dst) const

void	ReduceBeginCopy (const Vector &src) const

void	ReduceLocalCopy (const Vector &src, Vector &dst) const

void	ReduceEndAssemble (Vector &dst) const

Protected Member Functions inherited from mfem::Operator
void	FormConstrainedSystemOperator (const Array< int > &ess_tdof_list, ConstrainedOperator *&Aout)
	see FormSystemOperator() More...

void	FormRectangularConstrainedSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, RectangularConstrainedOperator *&Aout)
	see FormRectangularSystemOperator() More...

Operator *	SetupRAP (const Operator Pi, const Operator Po)
	Returns RAP Operator of this, using input/output Prolongation matrices Pi corresponds to "P", Po corresponds to "Rt". More...

Protected Attributes
bool	mpi_gpu_aware

Array< int >	shr_ltdof

Array< int >	ext_ldof

Vector	shr_buf

Vector	ext_buf

Memory< int >	shr_buf_offsets

Memory< int >	ext_buf_offsets

Array< int >	ltdof_ldof

Array< int >	unq_ltdof

Array< int >	unq_shr_i

Array< int >	unq_shr_j

MPI_Request *	requests

Protected Attributes inherited from mfem::ConformingProlongationOperator
Array< int >	external_ldofs

const GroupCommunicator &	gc

bool	local

Protected Attributes inherited from mfem::Operator
int	height
	Dimension of the output / number of rows in the matrix. More...

int	width
	Dimension of the input / number of columns in the matrix. More...

Additional Inherited Members
Public Types inherited from mfem::Operator
enum	DiagonalPolicy { DIAG_ZERO, DIAG_ONE, DIAG_KEEP }
	Defines operator diagonal policy upon elimination of rows and/or columns. More...

enum	Type { ANY_TYPE, MFEM_SPARSEMAT, Hypre_ParCSR, PETSC_MATAIJ, PETSC_MATIS, PETSC_MATSHELL, PETSC_MATNEST, PETSC_MATHYPRE, PETSC_MATGENERIC, Complex_Operator, MFEM_ComplexSparseMat, Complex_Hypre_ParCSR, Complex_DenseMat, MFEM_Block_Matrix, MFEM_Block_Operator }
	Enumeration defining IDs for some classes derived from Operator. More...

Detailed Description

Auxiliary device class used by ParFiniteElementSpace.

Definition at line 461 of file pfespace.hpp.

Constructor & Destructor Documentation

◆ DeviceConformingProlongationOperator() [1/2]

mfem::DeviceConformingProlongationOperator::DeviceConformingProlongationOperator	(	const GroupCommunicator &	gc_,
		const SparseMatrix *	R,
		bool	local_ = `false`
	)

Definition at line 3541 of file pfespace.cpp.

◆ DeviceConformingProlongationOperator() [2/2]

mfem::DeviceConformingProlongationOperator::DeviceConformingProlongationOperator	(	const ParFiniteElementSpace &	pfes,
		bool	local_ = `false`
	)

Definition at line 3607 of file pfespace.cpp.

◆ ~DeviceConformingProlongationOperator()

mfem::DeviceConformingProlongationOperator::~DeviceConformingProlongationOperator ( )

virtual

Definition at line 3713 of file pfespace.cpp.

Member Function Documentation

◆ BcastBeginCopy()

void mfem::DeviceConformingProlongationOperator::BcastBeginCopy ( const Vector & src ) const

protected

Definition at line 3627 of file pfespace.cpp.

◆ BcastEndCopy()

void mfem::DeviceConformingProlongationOperator::BcastEndCopy ( Vector & dst ) const

protected

Definition at line 3657 of file pfespace.cpp.

◆ BcastLocalCopy()

void mfem::DeviceConformingProlongationOperator::BcastLocalCopy	(	const Vector &	src,
		Vector &	dst
	)		const

protected

Definition at line 3649 of file pfespace.cpp.

◆ Mult()

void mfem::DeviceConformingProlongationOperator::Mult	(	const Vector &	x,
		Vector &	y
	)		const

virtual

Operator application: y=A(x).

Reimplemented from mfem::ConformingProlongationOperator.

Definition at line 3665 of file pfespace.cpp.

◆ MultTranspose()

void mfem::DeviceConformingProlongationOperator::MultTranspose	(	const Vector &	x,
		Vector &	y
	)		const

virtual

Action of the transpose operator: y=A^t(x). The default behavior in class Operator is to generate an error.

Reimplemented from mfem::ConformingProlongationOperator.

Definition at line 3767 of file pfespace.cpp.

◆ ReduceBeginCopy()

void mfem::DeviceConformingProlongationOperator::ReduceBeginCopy ( const Vector & src ) const

protected

Definition at line 3720 of file pfespace.cpp.

◆ ReduceEndAssemble()

void mfem::DeviceConformingProlongationOperator::ReduceEndAssemble ( Vector & dst ) const

protected

Definition at line 3760 of file pfespace.cpp.

◆ ReduceLocalCopy()

void mfem::DeviceConformingProlongationOperator::ReduceLocalCopy	(	const Vector &	src,
		Vector &	dst
	)		const

protected

Definition at line 3731 of file pfespace.cpp.

Member Data Documentation

◆ ext_buf

Vector mfem::DeviceConformingProlongationOperator::ext_buf

mutableprotected

Definition at line 467 of file pfespace.hpp.

◆ ext_buf_offsets

Memory<int> mfem::DeviceConformingProlongationOperator::ext_buf_offsets

protected

Definition at line 468 of file pfespace.hpp.

◆ ext_ldof

Array<int> mfem::DeviceConformingProlongationOperator::ext_ldof

protected

Definition at line 466 of file pfespace.hpp.

◆ ltdof_ldof

Array<int> mfem::DeviceConformingProlongationOperator::ltdof_ldof

protected

Definition at line 469 of file pfespace.hpp.

◆ mpi_gpu_aware

bool mfem::DeviceConformingProlongationOperator::mpi_gpu_aware

protected

Definition at line 465 of file pfespace.hpp.

◆ requests

MPI_Request* mfem::DeviceConformingProlongationOperator::requests

protected

Definition at line 471 of file pfespace.hpp.

◆ shr_buf

Vector mfem::DeviceConformingProlongationOperator::shr_buf

mutableprotected

Definition at line 467 of file pfespace.hpp.

◆ shr_buf_offsets

Memory<int> mfem::DeviceConformingProlongationOperator::shr_buf_offsets

protected

Definition at line 468 of file pfespace.hpp.

◆ shr_ltdof

Array<int> mfem::DeviceConformingProlongationOperator::shr_ltdof

protected

Definition at line 466 of file pfespace.hpp.

◆ unq_ltdof

Array<int> mfem::DeviceConformingProlongationOperator::unq_ltdof

protected

Definition at line 469 of file pfespace.hpp.

◆ unq_shr_i

Array<int> mfem::DeviceConformingProlongationOperator::unq_shr_i

protected

Definition at line 470 of file pfespace.hpp.

◆ unq_shr_j

Array<int> mfem::DeviceConformingProlongationOperator::unq_shr_j

protected

Definition at line 470 of file pfespace.hpp.

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

fem/pfespace.hpp
fem/pfespace.cpp

Public Member Functions

Protected Member Functions

Protected Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

◆ DeviceConformingProlongationOperator() [1/2]

◆ DeviceConformingProlongationOperator() [2/2]

◆ ~DeviceConformingProlongationOperator()

Member Function Documentation

◆ BcastBeginCopy()

◆ BcastEndCopy()

◆ BcastLocalCopy()

◆ Mult()

◆ MultTranspose()

◆ ReduceBeginCopy()

◆ ReduceEndAssemble()

◆ ReduceLocalCopy()

Member Data Documentation

◆ ext_buf

◆ ext_buf_offsets

◆ ext_ldof

◆ ltdof_ldof

◆ mpi_gpu_aware

◆ requests

◆ shr_buf

◆ shr_buf_offsets

◆ shr_ltdof

◆ unq_ltdof

◆ unq_shr_i

◆ unq_shr_j