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| rocsparseCPR (int verbosity) |
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bool | initialize (std::shared_ptr< BlockedMatrix< Scalar > > matrix, std::shared_ptr< BlockedMatrix< Scalar > > jacMatrix, rocsparse_int *d_Arows, rocsparse_int *d_Acols) override |
| Initialize GPU and allocate memory.
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bool | analyze_matrix (BlockedMatrix< Scalar > *mat) override |
| Analysis, extract parallelism if specified.
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bool | analyze_matrix (BlockedMatrix< Scalar > *mat, BlockedMatrix< Scalar > *jacMat) override |
| Analysis, extract parallelism if specified.
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bool | create_preconditioner (BlockedMatrix< Scalar > *mat) override |
| Create AMG preconditioner and perform ILU decomposition.
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bool | create_preconditioner (BlockedMatrix< Scalar > *mat, BlockedMatrix< Scalar > *jacMat) override |
| Create AMG preconditioner and perform ILU decomposition.
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void | apply (Scalar &y, Scalar &x) override |
| Apply preconditioner, x = prec(y) applies blocked ilu0 also applies amg for pressure component.
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void | copy_system_to_gpu (Scalar *b) override |
| Copy matrix A values to GPU.
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void | update_system_on_gpu (Scalar *b) override |
| Reassign pointers, in case the addresses of the Dune variables have changed --> TODO: check when/if we need this method.
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void | set_matrix_analysis (rocsparse_mat_descr descr_L, rocsparse_mat_descr descr_U) |
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void | set_context (rocsparse_handle handle, rocsparse_direction dir, rocsparse_operation operation, hipStream_t stream) |
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void | setJacMat (const BlockedMatrix< Scalar > &jacMat) |
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static std::unique_ptr< rocsparsePreconditioner< Scalar, block_size > > | create (PreconditionerType type, int verbosity) |
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static std::unique_ptr< Preconditioner > | create (PreconditionerType type, bool opencl_ilu_parallel, int verbosity) |
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int | nnzbs_prec = 0 |
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bool | useJacMatrix = false |
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std::shared_ptr< BlockedMatrix< Scalar > > | jacMat {} |
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using | DuneMat = Dune::BCRSMatrix<Dune::FieldMatrix<Scalar, 1, 1> > |
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using | DuneVec = Dune::BlockVector<Dune::FieldVector<Scalar, 1> > |
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using | MatrixOperator = Dune::MatrixAdapter<DuneMat, DuneVec, DuneVec> |
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using | DuneAmg = Dune::Amg::MatrixHierarchy<MatrixOperator, Dune::Amg::SequentialInformation> |
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| rocsparsePreconditioner (int verbosity_) |
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| Preconditioner (int verbosity_) |
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void | analyzeHierarchy () |
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void | analyzeAggregateMaps () |
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void | create_preconditioner_amg (BlockedMatrix< Scalar > *mat) |
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rocsparse_handle | handle |
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rocsparse_direction | dir = rocsparse_direction_row |
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rocsparse_operation | operation = rocsparse_operation_none |
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rocsparse_mat_descr | descr_L |
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rocsparse_mat_descr | descr_U |
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hipStream_t | stream |
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int | N = 0 |
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int | Nb = 0 |
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int | nnz = 0 |
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int | nnzb = 0 |
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int | verbosity = 0 |
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int | num_levels |
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std::vector< Scalar > | weights |
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std::vector< Scalar > | coarse_vals |
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std::vector< Scalar > | coarse_x |
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std::vector< Scalar > | coarse_y |
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std::vector< Matrix< Scalar > > | Amatrices |
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std::vector< Matrix< Scalar > > | Rmatrices |
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std::vector< std::vector< int > > | PcolIndices |
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std::vector< std::vector< Scalar > > | invDiags |
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BlockedMatrix< Scalar > * | mat = nullptr |
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std::unique_ptr< DuneAmg > | dune_amg |
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std::unique_ptr< DuneMat > | dune_coarse |
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std::shared_ptr< MatrixOperator > | dune_op |
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std::vector< int > | level_sizes |
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std::vector< std::vector< int > > | diagIndices |
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std::conditional_t< std::is_same_v< Scalar, double >, Dune::UMFPack< DuneMat >, int > | umfpack |
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bool | always_recalculate_aggregates = false |
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bool | recalculate_aggregates = true |
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const int | pressure_idx = 1 |
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unsigned | num_pre_smooth_steps |
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unsigned | num_post_smooth_steps |
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template<class Scalar, unsigned int block_size>
class Opm::Accelerator::rocsparseCPR< Scalar, block_size >
This class implements a Constrained Pressure Residual (CPR) preconditioner.