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MFEM v4.7.0
Finite element discretization library
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MFEM v4.7.0
Finite element discretization library
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#include <strumpack.hpp>
Public Member Functions | |
| STRUMPACKMixedPrecisionSolver (MPI_Comm comm) | |
| Constructor with MPI_Comm parameter. | |
| STRUMPACKMixedPrecisionSolver (STRUMPACKRowLocMatrix &A) | |
| Constructor with STRUMPACK matrix object. | |
| STRUMPACKMixedPrecisionSolver (MPI_Comm comm, int argc, char *argv[]) | |
| Constructor with MPI_Comm parameter and command line arguments. | |
| STRUMPACKMixedPrecisionSolver (STRUMPACKRowLocMatrix &A, int argc, char *argv[]) | |
| Constructor with STRUMPACK matrix object and command line arguments. | |
| ~STRUMPACKMixedPrecisionSolver () | |
| Destructor. | |
 Public Member Functions inherited from mfem::STRUMPACKSolverBase< strumpack::SparseSolverMixedPrecisionMPIDist< float, double, HYPRE_BigInt > > | |
| virtual | ~STRUMPACKSolverBase () |
| Default destructor. | |
| void | Mult (const Vector &x, Vector &y) const |
| Factor and solve the linear system \(y = Op^{-1} x \). | |
| void | ArrayMult (const Array< const Vector * > &X, Array< Vector * > &Y) const |
| Factor and solve the linear systems \( Y_i = Op^{-1} X_i \) across the array of vectors. | |
| void | SetOperator (const Operator &op) |
| Set the operator/matrix. | |
| void | SetFromCommandLine () |
| Set options that were captured from the command line. | |
| void | SetPrintFactorStatistics (bool print_stat) |
| Set up verbose printing during the factor step. | |
| void | SetPrintSolveStatistics (bool print_stat) |
| Set up verbose printing during the solve step. | |
| void | SetRelTol (double rtol) |
| Set the relative tolerance for interative solvers. | |
| void | SetAbsTol (double atol) |
| Set the absolute tolerance for iterative solvers. | |
| void | SetMaxIter (int max_it) |
| Set the maximum number of iterations for iterative solvers. | |
| void | SetReorderingReuse (bool reuse) |
| Set the flag controlling reuse of the symbolic factorization for multiple operators. | |
| void | EnableGPU () |
| Enable GPU off-loading available if STRUMPACK was compiled with CUDA. | |
| void | DisableGPU () |
| Disable GPU off-loading available if STRUMPACK was compiled with CUDA. | |
| void | SetKrylovSolver (strumpack::KrylovSolver method) |
| Set the Krylov solver method to use. | |
| void | SetReorderingStrategy (strumpack::ReorderingStrategy method) |
| Set matrix reordering strategy. | |
| void | SetMatching (strumpack::MatchingJob job) |
| Configure static pivoting for stability. | |
| void | SetCompression (strumpack::CompressionType type) |
| Select compression for sparse data types. | |
| void | SetCompressionRelTol (double rtol) |
| Set the relative tolerance for low rank compression methods. | |
| void | SetCompressionAbsTol (double atol) |
| Set the absolute tolerance for low rank compression methods. | |
| void | SetCompressionLossyPrecision (int precision) |
| Set the precision for the lossy compression option. | |
| void | SetCompressionButterflyLevels (int levels) |
| Set the number of butterfly levels for the HODLR compression option. | |
| Public Member Functions inherited from mfem::Solver | |
| Solver (int s=0, bool iter_mode=false) | |
| Initialize a square Solver with size s. | |
| Solver (int h, int w, bool iter_mode=false) | |
| Initialize a Solver with height h and width w. | |
| virtual void | SetOperator (const Operator &op)=0 |
| Set/update the solver for the given operator. | |
| 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. | |
| Operator (int s=0) | |
| Construct a square Operator with given size s (default 0). | |
| Operator (int h, int w) | |
| Construct an Operator with the given height (output size) and width (input size). | |
| int | Height () const |
| Get the height (size of output) of the Operator. Synonym with NumRows(). | |
| int | NumRows () const |
| Get the number of rows (size of output) of the Operator. Synonym with Height(). | |
| int | Width () const |
| Get the width (size of input) of the Operator. Synonym with NumCols(). | |
| int | NumCols () const |
| Get the number of columns (size of input) of the Operator. Synonym with Width(). | |
| virtual MemoryClass | GetMemoryClass () const |
| Return the MemoryClass preferred by the Operator. | |
| virtual void | Mult (const Vector &x, Vector &y) const =0 |
Operator application: y=A(x). | |
| 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. | |
| virtual void | AddMult (const Vector &x, Vector &y, const real_t a=1.0) const |
Operator application: y+=A(x) (default) or y+=a*A(x). | |
| virtual void | AddMultTranspose (const Vector &x, Vector &y, const real_t a=1.0) const |
Operator transpose application: y+=A^t(x) (default) or y+=a*A^t(x). | |
| virtual void | ArrayMult (const Array< const Vector * > &X, Array< Vector * > &Y) const |
Operator application on a matrix: Y=A(X). | |
| virtual void | ArrayMultTranspose (const Array< const Vector * > &X, Array< Vector * > &Y) const |
Action of the transpose operator on a matrix: Y=A^t(X). | |
| virtual void | ArrayAddMult (const Array< const Vector * > &X, Array< Vector * > &Y, const real_t a=1.0) const |
Operator application on a matrix: Y+=A(X) (default) or Y+=a*A(X). | |
| virtual void | ArrayAddMultTranspose (const Array< const Vector * > &X, Array< Vector * > &Y, const real_t a=1.0) const |
Operator transpose application on a matrix: Y+=A^t(X) (default) or Y+=a*A^t(X). | |
| 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. | |
| 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. | |
| virtual const Operator * | GetProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to input vectors for the operator. NULL means identity. | |
| virtual const Operator * | GetRestriction () const |
Restriction operator from input vectors for the operator to linear algebra (linear system) vectors. NULL means identity. | |
| virtual const Operator * | GetOutputProlongation () const |
Prolongation operator from linear algebra (linear system) vectors, to output vectors for the operator. NULL means identity. | |
| virtual const Operator * | GetOutputRestrictionTranspose () const |
| Transpose of GetOutputRestriction, directly available in this form to facilitate matrix-free RAP-type operators. | |
| virtual const Operator * | GetOutputRestriction () const |
Restriction operator from output vectors for the operator to linear algebra (linear system) vectors. NULL means identity. | |
| 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. | |
| 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. | |
| 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(). | |
| void | FormSystemOperator (const Array< int > &ess_tdof_list, Operator *&A) |
| Return in A a parallel (on truedofs) version of this square operator. | |
| 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). | |
| void | FormDiscreteOperator (Operator *&A) |
| Return in A a parallel (on truedofs) version of this rectangular operator. | |
| void | PrintMatlab (std::ostream &out, int n, int m=0) const |
| Prints operator with input size n and output size m in Matlab format. | |
| virtual void | PrintMatlab (std::ostream &out) const |
| Prints operator in Matlab format. | |
| virtual | ~Operator () |
| Virtual destructor. | |
| Type | GetType () const |
| Return the type ID of the Operator class. | |
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... | |
| Public Attributes inherited from mfem::Solver | |
| bool | iterative_mode |
| If true, use the second argument of Mult() as an initial guess. | |
| Protected Member Functions inherited from mfem::STRUMPACKSolverBase< strumpack::SparseSolverMixedPrecisionMPIDist< float, double, HYPRE_BigInt > > | |
| STRUMPACKSolverBase (MPI_Comm comm, int argc, char *argv[]) | |
| Constructor with MPI_Comm parameter and command line arguments. | |
| STRUMPACKSolverBase (STRUMPACKRowLocMatrix &A, int argc, char *argv[]) | |
| Constructor with STRUMPACK matrix object and command line arguments. | |
| Protected Member Functions inherited from mfem::Operator | |
| void | FormConstrainedSystemOperator (const Array< int > &ess_tdof_list, ConstrainedOperator *&Aout) |
| see FormSystemOperator() | |
| void | FormRectangularConstrainedSystemOperator (const Array< int > &trial_tdof_list, const Array< int > &test_tdof_list, RectangularConstrainedOperator *&Aout) |
| see FormRectangularSystemOperator() | |
| 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". | |
| Protected Attributes inherited from mfem::STRUMPACKSolverBase< strumpack::SparseSolverMixedPrecisionMPIDist< float, double, HYPRE_BigInt > > | |
| const STRUMPACKRowLocMatrix * | APtr_ |
| strumpack::SparseSolverMixedPrecisionMPIDist< float, double, HYPRE_BigInt > * | solver_ |
| bool | factor_verbose_ |
| bool | solve_verbose_ |
| bool | reorder_reuse_ |
| Vector | rhs_ |
| Vector | sol_ |
| int | nrhs_ |
| Protected Attributes inherited from mfem::Operator | |
| int | height |
| Dimension of the output / number of rows in the matrix. | |
| int | width |
| Dimension of the input / number of columns in the matrix. | |
Definition at line 315 of file strumpack.hpp.
| mfem::STRUMPACKMixedPrecisionSolver::STRUMPACKMixedPrecisionSolver | ( | MPI_Comm | comm | ) |
Constructor with MPI_Comm parameter.
Definition at line 452 of file strumpack.cpp.
| mfem::STRUMPACKMixedPrecisionSolver::STRUMPACKMixedPrecisionSolver | ( | STRUMPACKRowLocMatrix & | A | ) |
Constructor with STRUMPACK matrix object.
Definition at line 458 of file strumpack.cpp.
| mfem::STRUMPACKMixedPrecisionSolver::STRUMPACKMixedPrecisionSolver | ( | MPI_Comm | comm, |
| int | argc, | ||
| char * | argv[] | ||
| ) |
Constructor with MPI_Comm parameter and command line arguments.
SetFromCommandLine must be called for the command line arguments to be used.
Definition at line 464 of file strumpack.cpp.
| mfem::STRUMPACKMixedPrecisionSolver::STRUMPACKMixedPrecisionSolver | ( | STRUMPACKRowLocMatrix & | A, |
| int | argc, | ||
| char * | argv[] | ||
| ) |
Constructor with STRUMPACK matrix object and command line arguments.
SetFromCommandLine must be called for the command line arguments to be used.
Definition at line 470 of file strumpack.cpp.
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inline |
Destructor.
Definition at line 343 of file strumpack.hpp.
1.9.6