opm-simulators
Loading...
Searching...
No Matches
Opm::Accelerator::openclCPR< Scalar, block_size > Class Template Reference

This class implements a Constrained Pressure Residual (CPR) preconditioner. More...

#include <openclCPR.hpp>

Inheritance diagram for Opm::Accelerator::openclCPR< Scalar, block_size >:
Opm::Accelerator::openclPreconditioner< Scalar, block_size > Opm::Accelerator::CprCreation< Scalar, block_size > Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >

Public Member Functions

 openclCPR (bool opencl_ilu_parallel, int verbosity)
bool analyze_matrix (BlockedMatrix< Scalar > *mat) override
bool analyze_matrix (BlockedMatrix< Scalar > *mat, BlockedMatrix< Scalar > *jacMat) override
void setOpencl (std::shared_ptr< cl::Context > &context, std::shared_ptr< cl::CommandQueue > &queue) override
void apply (const cl::Buffer &y, cl::Buffer &x, WellContributions< Scalar > &wellContribs) override
bool create_preconditioner (BlockedMatrix< Scalar > *mat) override
bool create_preconditioner (BlockedMatrix< Scalar > *mat, BlockedMatrix< Scalar > *jacMat) override

Additional Inherited Members

Static Public Member Functions inherited from Opm::Accelerator::openclPreconditioner< Scalar, block_size >
static std::unique_ptr< openclPreconditioner< Scalar, block_size > > create (PreconditionerType type, int verbosity, bool opencl_ilu_parallel)
Static Public Member Functions inherited from Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >
static std::unique_ptr< Preconditioner > create (PreconditionerType type, bool opencl_ilu_parallel, int verbosity)
Protected Types inherited from Opm::Accelerator::CprCreation< Scalar, block_size >
using DuneMat = Dune::BCRSMatrix<Dune::FieldMatrix<Scalar, 1, 1> >
using DuneVec = Dune::BlockVector<Dune::FieldVector<Scalar, 1> >
using MatrixOperator = Dune::MatrixAdapter<DuneMat, DuneVec, DuneVec>
using DuneAmg = Dune::Amg::MatrixHierarchy<MatrixOperator, Dune::Amg::SequentialInformation>
Protected Member Functions inherited from Opm::Accelerator::openclPreconditioner< Scalar, block_size >
 openclPreconditioner (int verbosity_)
Protected Member Functions inherited from Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >
 Preconditioner (int verbosity_)
Protected Member Functions inherited from Opm::Accelerator::CprCreation< Scalar, block_size >
void analyzeHierarchy ()
void analyzeAggregateMaps ()
bool create_preconditioner_amg (BlockedMatrix< Scalar > *mat)
Protected Attributes inherited from Opm::Accelerator::openclPreconditioner< Scalar, block_size >
std::shared_ptr< cl::Context > context
std::shared_ptr< cl::CommandQueue > queue
std::vector< cl::Event > events
cl_int err
Protected Attributes inherited from Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >
int N
int Nb
int nnz
int nnzb
int verbosity
Protected Attributes inherited from Opm::Accelerator::CprCreation< Scalar, block_size >
int num_levels
std::vector< Scalar > weights
std::vector< Scalar > coarse_vals
std::vector< Scalar > coarse_x
std::vector< Scalar > coarse_y
std::vector< Matrix< Scalar > > Amatrices
std::vector< Matrix< Scalar > > Rmatrices
std::vector< std::vector< int > > PcolIndices
std::vector< std::vector< Scalar > > invDiags
BlockedMatrix< Scalar > * mat = nullptr
std::unique_ptr< DuneAmg > dune_amg
std::unique_ptr< DuneMat > dune_coarse
std::shared_ptr< MatrixOperator > dune_op
std::vector< int > level_sizes
std::vector< std::vector< int > > diagIndices
std::conditional_t< std::is_same_v< Scalar, double >, Dune::UMFPack< DuneMat >, int > umfpack
bool always_recalculate_aggregates = false
bool recalculate_aggregates = true
const int pressure_idx = 1
unsigned num_pre_smooth_steps
unsigned num_post_smooth_steps

Detailed Description

template<class Scalar, unsigned int block_size>
class Opm::Accelerator::openclCPR< Scalar, block_size >

This class implements a Constrained Pressure Residual (CPR) preconditioner.

Member Function Documentation

◆ analyze_matrix()

template<class Scalar, unsigned int block_size>
bool Opm::Accelerator::openclCPR< Scalar, block_size >::analyze_matrix ( BlockedMatrix< Scalar > * mat)
overridevirtual

Implements Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >.

◆ apply()

template<class Scalar, unsigned int block_size>
void Opm::Accelerator::openclCPR< Scalar, block_size >::apply ( const cl::Buffer & y,
cl::Buffer & x,
WellContributions< Scalar > & wellContribs )
overridevirtual

Implements Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >.

◆ create_preconditioner()

template<class Scalar, unsigned int block_size>
bool Opm::Accelerator::openclCPR< Scalar, block_size >::create_preconditioner ( BlockedMatrix< Scalar > * mat)
overridevirtual

Implements Opm::Accelerator::Preconditioner< Scalar, block_size, cl::Buffer >.

◆ setOpencl()

template<class Scalar, unsigned int block_size>
void Opm::Accelerator::openclCPR< Scalar, block_size >::setOpencl ( std::shared_ptr< cl::Context > & context,
std::shared_ptr< cl::CommandQueue > & queue )
overridevirtual

Reimplemented from Opm::Accelerator::openclPreconditioner< Scalar, block_size >.

The documentation for this class was generated from the following files:
  • opm/simulators/linalg/gpubridge/opencl/openclCPR.hpp
  • opm/simulators/linalg/gpubridge/opencl/openclCPR.cpp