Implements a skyline storage format to parallelized process. Matrix. More...

#include <pzskylmatpar.h>

Inheritance diagram for TPZSkylParMatrix< TVar >:

Collaboration diagram for TPZSkylParMatrix< TVar >:

Public Member Functions
	TPZSkylParMatrix ()
	Default constructor. More...

	TPZSkylParMatrix (const int64_t dim)
	Constructor for given dimension. More...

	TPZSkylParMatrix (const int64_t dim, const TPZVec< int64_t > &skyline, int NumThreads)
	Constructor with number of threads. More...

	TPZSkylParMatrix (const TPZSkylParMatrix< TVar > &A)
	Copy constructor. More...

virtual	~TPZSkylParMatrix ()
	Default destructor. More...

int	ClassId () const override
	Define the class id associated with the class. More...

Parallel procedure using pthreads
Implement all data structure used in procedure.
int	Decompose_Cholesky (std::list< int64_t > &singular) override
	Decomposes the current matrix using Cholesky method. More...

int	Decompose_Cholesky () override
	Decomposes the current matrix using Cholesky method. The current matrix has to be symmetric. More...

int	Decompose_LDLt (std::list< int64_t > &singular) override
	Decomposes the current matrix using LDLt. The current matrix has to be symmetric. "L" is lower triangular with 1.0 in its diagonal and "D" is a Diagonal matrix. More...

int	Decompose_LDLt () override
	Decomposes the current matrix using LDLt. More...

void	SetSkyline (const TPZVec< int64_t > &skyline)

Public Member Functions inherited from TPZSkylMatrix< TVar >
	TPZSkylMatrix ()

	TPZSkylMatrix (const int64_t dim)

	TPZSkylMatrix (const int64_t dim, const TPZVec< int64_t > &skyline)
	Construct a skyline matrix of dimension dim skyline indicates the minimum row number which will be accessed by each equation. More...

	TPZSkylMatrix (const TPZSkylMatrix< TVar > &A)

virtual int64_t	MemoryFootprint () const override
	Returns the approximate size of the memory footprint (amount of memory required to store this object). More...

void	SetSkyline (const TPZVec< int64_t > &skyline)
	modify the skyline of the matrix, throwing away its values skyline indicates the minimum row number which will be accessed by each equation More...

int64_t	SkyHeight (int64_t col)
	return the height of the skyline for a given column More...

void	AddSameStruct (TPZSkylMatrix< TVar > &B, double k=1.)
	Add a skyline matrix B with same structure of this It makes this += k * B. More...

virtual int	IsSimetric () const override
	declare the object as simetric matrix More...

virtual	~TPZSkylMatrix ()
	destructor of the skyline matrix More...

virtual void	UpdateFrom (TPZAutoPointer< TPZMatrix< TVar > > mat) override
	Updates the values of the matrix based on the values of the matrix. More...

template<class TVar2 >
void	CopyFrom (TPZSkylMatrix< TVar2 > &orig)
	copy the values from a matrix with a different precision More...

int	PutVal (const int64_t row, const int64_t col, const TVar &element) override
	Put values without bounds checking This method is faster than "Put" if DEBUG is defined. More...

const TVar &	GetVal (const int64_t row, const int64_t col) const override
	Get values without bounds checking This method is faster than "Get" if DEBUG is defined. More...

TVar &	operator() (const int64_t row, const int64_t col)

virtual TVar &	s (const int64_t row, const int64_t col) override
	The operators check on the bounds if the DEBUG variable is defined. More...

TVar &	operator() (const int64_t row)

virtual void	MultAdd (const TPZFMatrix< TVar > &x, const TPZFMatrix< TVar > &y, TPZFMatrix< TVar > &z, const TVar alpha, const TVar beta, const int opt=0) const override
	It computes z = beta * y + alpha * opt(this)*x but z and x can not overlap in memory. More...

TPZSkylMatrix &	operator= (const TPZSkylMatrix< TVar > &A)

TPZSkylMatrix	operator+ (const TPZSkylMatrix< TVar > &A) const

TPZSkylMatrix	operator- (const TPZSkylMatrix< TVar > &A) const

TPZSkylMatrix &	operator+= (const TPZSkylMatrix< TVar > &A)

TPZSkylMatrix &	operator-= (const TPZSkylMatrix< TVar > &A)

TPZSkylMatrix	operator* (const TVar v) const

TPZSkylMatrix &	operator*= (TVar value)

TPZSkylMatrix	operator- () const

int	Resize (const int64_t newDim, const int64_t) override
	Redimensions a matriz keeping the previous values. More...

int	Redim (const int64_t newDim, const int64_t) override
	Redimensions the matrix reinitializing it with zero. More...

int	Redim (const int64_t newDim)

int	Zero () override
	Zeroes the matrix. More...

void	AddKel (TPZFMatrix< TVar > &elmat, TPZVec< int64_t > &sourceindex, TPZVec< int64_t > &destinationindex) override
	Add a contribution of a stiffness matrix. More...

virtual void	AutoFill (int64_t nrow, int64_t ncol, int symmetric)

void	Read (TPZStream &buf, void *context) override
	Unpacks the object structure from a stream of bytes. More...

void	Write (TPZStream &buf, int withclassid) const override
	Packs the object structure in a stream of bytes. More...

virtual std::string	ClassName () const

int64_t	Size (const int64_t column) const

int64_t	GetNelemts ()

template<>
void	AddKel (TPZFMatrix< double > &elmat, TPZVec< int64_t > &source, TPZVec< int64_t > &destination)

template<>
void	AddKel (TPZFMatrix< float > &elmat, TPZVec< int64_t > &source, TPZVec< int64_t > &destination)

template<>
int	Decompose_Cholesky (std::list< int64_t > &singular)
	Decomposes the current matrix using Cholesky method. More...

template<>
int	Decompose_Cholesky (std::list< int64_t > &singular)
	Decomposes the current matrix using Cholesky method. More...

template<>
int	Decompose_Cholesky (std::list< int64_t > &singular)
	Decomposes the current matrix using Cholesky method. More...

template<>
int	Decompose_Cholesky ()
	Decomposes the current matrix using Cholesky method. The current matrix has to be symmetric. More...

template<>
int	Decompose_Cholesky ()
	Decomposes the current matrix using Cholesky method. The current matrix has to be symmetric. More...

template<>
int	Decompose_Cholesky ()
	Decomposes the current matrix using Cholesky method. The current matrix has to be symmetric. More...

template<>
int	Decompose_Cholesky_blk (int64_t blk_sz)

template<>
int	Decompose_Cholesky_blk (int64_t blk_sz)

template<>
int	Decompose_Cholesky_blk (int64_t blk_sz)

virtual void	SolveSOR (int64_t &numiterations, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, TPZFMatrix< TVar > &scratch, const REAL overrelax, REAL &tol, const int FromCurrent=0, const int direction=1) override
	Solves the linear system using Successive Over Relaxation method (Gauss Seidel). . More...

int	Decompose_Cholesky_blk (int64_t blk_sz)

int	Subst_Forward (TPZFMatrix< TVar > *b) const override
	Computes B = Y, where A*Y = B, A is lower triangular. More...

int	Subst_Backward (TPZFMatrix< TVar > *b) const override
	Computes B = Y, where A*Y = B, A is upper triangular. More...

int	Subst_LForward (TPZFMatrix< TVar > *b) const override
	Computes B = Y, where A*Y = B, A is lower triangular with A(i,i)=1. More...

int	Subst_LBackward (TPZFMatrix< TVar > *b) const override
	Computes B = Y, where A*Y = B, A is upper triangular with A(i,i)=1. More...

int	Subst_Diag (TPZFMatrix< TVar > *b) const override
	Computes B = Y, where A*Y = B, A is diagonal matrix. More...

Public Member Functions inherited from TPZMatrix< TVar >
	TPZMatrix ()
	Simple constructor. More...

	TPZMatrix (const TPZMatrix< TVar > &cp)

virtual	~TPZMatrix ()
	Simple destructor. More...

virtual TPZMatrix< TVar > *	Clone () const =0

template<class TVar2 >
void	CopyFrom (TPZMatrix< TVar2 > &copy)

void	AutoFill (int64_t nrow, int64_t ncol, int symmetric)
	Fill matrix storage with randomic values. More...

virtual int	VerifySymmetry (REAL tol=1.e-13) const
	Checks if current matrix value is symmetric. More...

virtual int	Put (const int64_t row, const int64_t col, const TVar &value)
	Put values with bounds checking if DEBUG variable is defined. More...

virtual const TVar &	Get (const int64_t row, const int64_t col) const
	Get value with bound checking. More...

const TVar &	g (const int64_t row, const int64_t col) const
	Substitution for the () operator when const arguments are needed. More...

TVar &	operator() (const int64_t row, const int64_t col)
	The operators check on the bounds if the DEBUG variable is defined. More...

TVar &	operator() (const int64_t row)
	The operators check on the bounds if the DEBUG variable is defined. More...

virtual void	AddKel (TPZFMatrix< TVar > &elmat, TPZVec< int64_t > &destinationindex)
	Add a contribution of a stiffness matrix. More...

void	SetIsDecomposed (int val)
	Sets current matrix to decomposed state. More...

virtual bool	Compare (TPZSavable *copy, bool override=false) override
	Compare the object for identity with the object pointed to, eventually copy the object. More...

virtual bool	Compare (TPZSavable *copy, bool override=false) const override
	Compare the object for identity with the object pointed to, eventually copy the object. More...

virtual void	GetSub (const TPZVec< int64_t > &indices, TPZFMatrix< TVar > &block) const
	Extract the block indicated by the indices from the matrix. More...

bool	CompareValues (TPZMatrix< TVar > &M, TVar tol)
	Compare values of this to B, with a precision tolerance tol. More...

template<>
void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form) const

template<>
void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form) const

template<>
void	Print (const char *name, std::ostream &out, const MatrixOutputFormat form) const

template<>
void	SolveCG (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveCG (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveCG (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveGMRES (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, TPZFMatrix< std::complex< float > > &H, int &numvectors, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveGMRES (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, TPZFMatrix< std::complex< double > > &H, int &numvectors, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveGMRES (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, TPZFMatrix< std::complex< long double > > &H, int &numvectors, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveBICG (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, REAL &tol)

template<>
void	SolveBICG (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, REAL &tol)

template<>
void	SolveBICG (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, REAL &tol)

template<>
void	SolveBICGStab (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveBICGStab (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveBICGStab (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveIR (int64_t &numiterations, TPZSolver< std::complex< float > > &preconditioner, const TPZFMatrix< std::complex< float > > &F, TPZFMatrix< std::complex< float > > &result, TPZFMatrix< std::complex< float > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveIR (int64_t &numiterations, TPZSolver< std::complex< double > > &preconditioner, const TPZFMatrix< std::complex< double > > &F, TPZFMatrix< std::complex< double > > &result, TPZFMatrix< std::complex< double > > *residual, REAL &tol, const int FromCurrent)

template<>
void	SolveIR (int64_t &numiterations, TPZSolver< std::complex< long double > > &preconditioner, const TPZFMatrix< std::complex< long double > > &F, TPZFMatrix< std::complex< long double > > &result, TPZFMatrix< std::complex< long double > > *residual, REAL &tol, const int FromCurrent)

template<>
bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< std::complex< float > > *Sort)

template<>
bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< std::complex< double > > *Sort)

template<>
bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< std::complex< long double > > *Sort)

virtual void	Multiply (const TPZFMatrix< TVar > &A, TPZFMatrix< TVar > &res, int opt=0) const
	It mutiplies itself by TPZMatrix<TVar>A putting the result in res. More...

virtual void	Add (const TPZMatrix< TVar > &A, TPZMatrix< TVar > &res) const
	It adds itself to TPZMatrix<TVar>A putting the result in res. More...

virtual void	Residual (const TPZFMatrix< TVar > &x, const TPZFMatrix< TVar > &rhs, TPZFMatrix< TVar > &res)
	Computes res = rhs - this * x. More...

virtual void	Substract (const TPZMatrix< TVar > &A, TPZMatrix< TVar > &result) const
	It substracts A from storing the result in result. More...

virtual void	Identity ()
	Converts the matrix in an identity matrix. More...

virtual void	Transpose (TPZMatrix< TVar > *const T) const
	It makes *T the transpose of current matrix. More...

int	Inverse (TPZFMatrix< TVar > &Inv, DecomposeType dec)
	It makes Inv =[this]. IMPORTANT OBSERVATION –> The original matrix (calling object) no is more equal. It containts the some decomposition (LU or Cholesky or ...) More...

TVar	MatrixNorm (int p, int64_t numiter=2000000, REAL tol=1.e-10) const
	Computes the matrix norm of this. More...

TVar	ConditionNumber (int p, int64_t numiter=2000000, REAL tol=1.e-10)
	Computes the matrix condition number of this. More...

virtual int	PutSub (const int64_t sRow, const int64_t sCol, const TPZFMatrix< TVar > &Source)
	It puts submatrix Source on actual matrix structure. More...

virtual int	GetSub (const int64_t sRow, const int64_t sCol, const int64_t rowSize, const int64_t colSize, TPZFMatrix< TVar > &Target) const
	Gets submatrix storing it on Target. More...

virtual int	AddSub (const int64_t sRow, const int64_t sCol, const TPZFMatrix< TVar > &Source)
	It adds Source matrix on current matrix from position (sRow, sCol) More...

virtual int	InsertSub (const int64_t sRow, const int64_t sCol, const int64_t rowSize, const int64_t colSize, const int64_t pRow, const int64_t pCol, TPZMatrix< TVar > *Target) const
	Inserts a submatrix from current object on matrix *Target with no redimentioning. More...

virtual int	AddSub (const int64_t sRow, const int64_t sCol, const int64_t rowSize, const int64_t colSize, const int64_t pRow, const int64_t pCol, TPZMatrix< TVar > *pA) const
	Adds a submatrix from current object in *Target. More...

int	IsSquare () const
	Checks if current matrix is square. More...

virtual void	Simetrize ()
	Simetrizes copies upper plan to the lower plan, making its data simetric. More...

virtual int	IsDefPositive () const
	Checks if current matrix is definite positive. More...

int	IsDecomposed () const
	Checks if current matrix is already decomposed. More...

virtual int	Decompose_LU (std::list< int64_t > &singular)
	Decomposes the current matrix using LU decomposition. More...

virtual int	Decompose_LU ()

virtual int	Substitution (TPZFMatrix< TVar > *B) const
	Computes Forward and Backward substitution for a "LU" decomposed matrix. More...

virtual void	Input (std::istream &in=std::cin)
	Input operation. More...

virtual void	Print (std::ostream &out) const

virtual void	Print (const char *name, std::ostream &out=std::cout, const MatrixOutputFormat form=EFormatted) const
	It prints the matrix data in a MatrixFormat Rows X Cols. More...

int64_t	Rows () const
	Returns number of rows. More...

int64_t	Cols () const
	Returns number of cols. More...

virtual int64_t	Dim () const
	Returns the dimension of the matrix if the matrix is square. More...

virtual void	SolveJacobi (int64_t &numiterations, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, TPZFMatrix< TVar > &scratch, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Jacobi method. . More...

virtual void	SolveSSOR (int64_t &numiterations, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, TPZFMatrix< TVar > &scratch, const REAL overrelax, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Symmetric Successive Over Relaxation method (Gauss Seidel). . More...

virtual void	SolveCG (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Conjugate Gradient method. . More...

virtual void	SolveBICG (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, REAL &tol)
	Solves the linear system using Bi-Conjugate Gradient method. . More...

virtual void	SolveBICGStab (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent=0)
	Solves the linear system using Bi-Conjugate Gradient stabilized method. . More...

virtual void	SolveGMRES (int64_t &numiterations, TPZSolver< TVar > &preconditioner, TPZFMatrix< TVar > &H, int &numvectors, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent)
	Solves the linear system using Generalized Minimal Residual (GMRES) method. . More...

virtual void	SolveIR (int64_t &numiterations, TPZSolver< TVar > &preconditioner, const TPZFMatrix< TVar > &F, TPZFMatrix< TVar > &result, TPZFMatrix< TVar > *residual, REAL &tol, const int FromCurrent=0)
	Solves the linear system using IR method. . More...

virtual bool	SolveEigenvaluesJacobi (int64_t &numiterations, REAL &tol, TPZVec< TVar > *Sort=0)
	Transforms this matrix in a diagonal matrix, where the diagonal values are its eigenvalues. This method is efficient only for small matrices. More...

virtual bool	SolveEigensystemJacobi (int64_t &numiterations, REAL &tol, TPZVec< TVar > &Eigenvalues, TPZFMatrix< TVar > &Eigenvectors) const
	Compute Eigenvalues and Eigenvectors of this matrix. This method is efficient only for small matrices. More...

virtual int	SolveDirect (TPZFMatrix< TVar > &F, const DecomposeType dt, std::list< int64_t > &singular)
	Solves the linear system using Direct methods. More...

virtual int	SolveDirect (TPZFMatrix< TVar > &F, const DecomposeType dt)
	Solves the linear system using Direct methods. More...

virtual int	Decompose (const DecomposeType dt, std::list< int64_t > &singular)
	decompose the system of equations acording to the decomposition scheme More...

int	Solve_LU (TPZFMatrix< TVar > *B, std::list< int64_t > &singular)
	Solves the linear system using LU method . More...

int	Solve_LU (TPZFMatrix< TVar > *B)
	Solves the linear system using LU method . More...

virtual int	Solve_Cholesky (TPZFMatrix< TVar > *B)
	Solves the linear system using Cholesky method . More...

int	Solve_Cholesky (TPZFMatrix< TVar > *B, std::list< int64_t > &singular)
	Solves the linear system using Cholesky method . More...

int	Solve_LDLt (TPZFMatrix< TVar > *B, std::list< int64_t > &singular)
	Solves the linear system using LDLt method . More...

int	Solve_LDLt (TPZFMatrix< TVar > *B)
	Solves the linear system using LDLt method . More...

Public Member Functions inherited from TPZSavable
	TPZSavable ()

virtual	~TPZSavable ()

virtual std::list< std::map< std::string, uint64_t > >	VersionHistory () const

virtual std::pair< std::string, uint64_t >	Version () const

Public Member Functions inherited from TPZRegisterClassId
template<typename T >
	TPZRegisterClassId (int(T::*)() const)

	TPZRegisterClassId ()=default

Static Public Member Functions
static int	main ()
	Static main for testing. More...

static int	main_nada ()

Static Public Member Functions inherited from TPZMatrix< TVar >
static int	Error (const char msg, const char msg2=0)
	Returns error messages. More...

static TVar	ReturnNearestValue (TVar val, TPZVec< TVar > &Vec, TVar tol)
	Retorna o valor mais proximo a "val" (exceto valores no intervalo -tol <= val <= +tol) contido no vetor Vec. More...

Static Public Member Functions inherited from TPZSavable
static std::set< TPZRestoreClassBase * > &	RestoreClassSet ()
	This static function guarantees that the gMap object is available when needed. More...

static std::map< int, TPZRestore_t > &	ClassIdMap ()
	This static function guarantees that the gMap object is available when needed. More...

static std::pair< std::string, uint64_t >	NeoPZVersion ()

static void	Register (TPZRestoreClassBase *restore)

static void	RegisterClassId (int classid, TPZRestore_t fun)

static TPZSavable *	CreateInstance (const int &classId)

Public Attributes
TPZVec< int >	fDec

TPZVec< int64_t >	fSkyline

Private Member Functions
void	ColumnToWork (int64_t &lcol, int64_t &lprevcol)
	Determine which column can be decomposed with respect to which column. More...

void	ColumnToWork (int64_t &lcol)
	Determine which column has some equations to decompose. More...

void	DecomposeColumnCholesky (int64_t lcol, int64_t lprevcol)

void	DecomposeColumnLDLt (int64_t lcol, int64_t lprevcol)

void	DecomposeColumnLDLt2 (int64_t lcol)

void	PrintState ()

template<>
void	DecomposeColumnCholesky (int64_t col, int64_t prevcol)

Static Private Member Functions
static void *	ParallelLDLt (void *t)

static void *	ParallelLDLt2 (void *t)

static void *	ParallelCholesky (void *t)

Private Attributes
int64_t	fEqDec

int64_t	fNthreads

int *	fThreadUsed

std::set< int64_t >	fColUsed

int	fNumDecomposed

bool	fCorrectSingular

std::list< int64_t >	fSingular

Additional Inherited Members
Protected Member Functions inherited from TPZSkylMatrix< TVar >
TVar *	Diag (int64_t col)
	This method returns a pointer to the diagonal element of the matrix of the col column. More...

void	DecomposeColumn (int64_t col, int64_t prevcol)

void	DecomposeColumn (int64_t col, int64_t prevcol, std::list< int64_t > &singular)

void	DecomposeColumn2 (int64_t col, int64_t prevcol)

template<>
void	DecomposeColumn (int64_t col, int64_t prevcol, std::list< int64_t > &singular)

template<>
void	DecomposeColumn (int64_t col, int64_t prevcol, std::list< int64_t > &singular)

template<>
void	DecomposeColumn (int64_t col, int64_t prevcol, std::list< int64_t > &singular)

template<>
void	DecomposeColumn2 (int64_t col, int64_t prevcol)

template<>
void	DecomposeColumn2 (int64_t col, int64_t prevcol)

template<>
void	DecomposeColumn2 (int64_t col, int64_t prevcol)

Protected Member Functions inherited from TPZMatrix< TVar >
void	PrepareZ (const TPZFMatrix< TVar > &y, TPZFMatrix< TVar > &z, const TVar beta, const int opt) const
	Is an auxiliar method used by MultiplyAdd. More...

	TPZMatrix (const int64_t row, const int64_t col)
	Constructor. More...

Static Protected Member Functions inherited from TPZMatrix< TVar >
static void	Swap (int64_t a, int64_t b)
	Swaps contents of a in b and b in a. More...

Protected Attributes inherited from TPZSkylMatrix< TVar >
TPZVec< TVar * >	fElem
	Storage to keep the first elements to each equation. More...

Protected Attributes inherited from TPZMatrix< TVar >
int64_t	fRow
	Number of rows in matrix. More...

int64_t	fCol
	Number of cols in matrix. More...

char	fDecomposed
	Decomposition type used to decompose the current matrix. More...

char	fDefPositive
	Definite Posistiveness of current matrix. More...

Static Protected Attributes inherited from TPZMatrix< TVar >
static TVar	gZero
	Initializing value to static variable. More...

Detailed Description

template<class TVar>
class TPZSkylParMatrix< TVar >

Implements a skyline storage format to parallelized process. Matrix.

Definition at line 35 of file pzskylmatpar.h.

Constructor & Destructor Documentation

◆ TPZSkylParMatrix() [1/4]

template<class TVar >

TPZSkylParMatrix< TVar >::TPZSkylParMatrix ( )

Default constructor.

Definition at line 69 of file pzskylmatpar.cpp.

◆ TPZSkylParMatrix() [2/4]

template<class TVar>

TPZSkylParMatrix< TVar >::TPZSkylParMatrix ( const int64_t dim )

Constructor for given dimension.

◆ TPZSkylParMatrix() [3/4]

template<class TVar >

TPZSkylParMatrix< TVar >::TPZSkylParMatrix	(	const int64_t	dim,
		const TPZVec< int64_t > &	skyline,
		int	NumThreads
	)

Constructor with number of threads.

Initializing number of iterations to Template SUM.

Definition at line 44 of file pzskylmatpar.cpp.

References TPZSkylParMatrix< TVar >::fDec, TPZSkylParMatrix< TVar >::fEqDec, TPZSkylParMatrix< TVar >::fNthreads, and TPZSkylParMatrix< TVar >::fSkyline.

◆ TPZSkylParMatrix() [4/4]

template<class TVar >

TPZSkylParMatrix< TVar >::TPZSkylParMatrix ( const TPZSkylParMatrix< TVar > & A )

Copy constructor.

Definition at line 62 of file pzskylmatpar.cpp.

◆ ~TPZSkylParMatrix()

template<class TVar >

TPZSkylParMatrix< TVar >::~TPZSkylParMatrix ( )

virtual

Default destructor.

Definition at line 84 of file pzskylmatpar.cpp.

Member Function Documentation

◆ ClassId()

template<class TVar >

int TPZSkylParMatrix< TVar >::ClassId ( ) const

overridevirtual

Define the class id associated with the class.

This id has to be unique for all classes A non unique id is flagged at the startup of the program

Reimplemented from TPZSkylMatrix< TVar >.

Definition at line 831 of file pzskylmatpar.cpp.

References TPZSkylMatrix< TVar >::ClassId(), and Hash().

◆ ColumnToWork() [1/2]

template<class TVar >

void TPZSkylParMatrix< TVar >::ColumnToWork	(	int64_t &	lcol,
		int64_t &	lprevcol
	)

private

Determine which column can be decomposed with respect to which column.

Definition at line 117 of file pzskylmatpar.cpp.

References TPZMatrix< TVar >::Dim(), TPZSkylParMatrix< TVar >::fDec, TPZSkylParMatrix< TVar >::fEqDec, TPZSkylParMatrix< TVar >::fNthreads, and TPZSkylParMatrix< TVar >::fThreadUsed.

Referenced by TPZSkylParMatrix< TVar >::ParallelCholesky(), TPZSkylParMatrix< TVar >::ParallelLDLt(), and TPZSkylParMatrix< TVar >::ParallelLDLt2().

◆ ColumnToWork() [2/2]

template<class TVar >

void TPZSkylParMatrix< TVar >::ColumnToWork ( int64_t & lcol )

private

Determine which column has some equations to decompose.

Definition at line 144 of file pzskylmatpar.cpp.

References DebugStop, TPZMatrix< TVar >::Dim(), TPZSkylParMatrix< TVar >::fColUsed, TPZSkylParMatrix< TVar >::fDec, LOGPZ_DEBUG, and LOGPZ_ERROR.

◆ Decompose_Cholesky() [1/2]

template<class TVar >

int TPZSkylParMatrix< TVar >::Decompose_Cholesky ( std::list< int64_t > & singular )

overridevirtual

Decomposes the current matrix using Cholesky method.

Parameters

singular

Reimplemented from TPZSkylMatrix< TVar >.

Definition at line 368 of file pzskylmatpar.cpp.

References TPZSkylParMatrix< TVar >::Decompose_Cholesky(), TPZSkylParMatrix< TVar >::fCorrectSingular, and TPZSkylParMatrix< TVar >::fSingular.

◆ Decompose_Cholesky() [2/2]

template<class TVar >

int TPZSkylParMatrix< TVar >::Decompose_Cholesky ( )

overridevirtual

Decomposes the current matrix using Cholesky method. The current matrix has to be symmetric.

Reimplemented from TPZSkylMatrix< TVar >.

Definition at line 379 of file pzskylmatpar.cpp.

References TPZMatrix< TVar >::Dim(), ECholesky, TPZSkylParMatrix< TVar >::fDec, TPZMatrix< TVar >::fDecomposed, TPZSkylParMatrix< TVar >::fEqDec, TPZSkylParMatrix< TVar >::fNthreads, TPZSkylParMatrix< TVar >::fSingular, TPZSkylParMatrix< TVar >::fSkyline, TPZSkylParMatrix< TVar >::fThreadUsed, LOGPZ_WARN, TPZSkylParMatrix< TVar >::ParallelCholesky(), PZ_PTHREAD_CREATE, PZ_PTHREAD_JOIN, and test::res.

Referenced by TPZSkylParMatrix< TVar >::Decompose_Cholesky().

◆ Decompose_LDLt() [1/2]

template<class TVar >

int TPZSkylParMatrix< TVar >::Decompose_LDLt ( std::list< int64_t > & singular )

overridevirtual

Decomposes the current matrix using LDLt.
The current matrix has to be symmetric. "L" is lower triangular with 1.0 in its diagonal and "D" is a Diagonal matrix.

Reimplemented from TPZSkylMatrix< TVar >.

Definition at line 442 of file pzskylmatpar.cpp.

References TPZSkylParMatrix< TVar >::Decompose_LDLt(), TPZSkylParMatrix< TVar >::fCorrectSingular, and TPZSkylParMatrix< TVar >::fSingular.

Referenced by TPZSkylParMatrix< TVar >::main_nada().