Opm::Accelerator::openclBILU0< Scalar, block_size > Class Template Reference

This class implements a Blocked ILU0 preconditioner The decomposition is done on GPU, using exact decomposition, or ChowPatel decomposition The preconditioner is applied via two exact triangular solves. More...

#include <openclBILU0.hpp>

Inheritance diagram for Opm::Accelerator::openclBILU0< Scalar, block_size >:

Public Member Functions
	openclBILU0 (bool opencl_ilu_parallel, int verbosity)
bool	analyze_matrix (BlockedMatrix< Scalar > *mat) override
bool	analyze_matrix (BlockedMatrix< Scalar > *mat, BlockedMatrix< Scalar > *jacMat) override
bool	create_preconditioner (BlockedMatrix< Scalar > *mat) override
bool	create_preconditioner (BlockedMatrix< Scalar > *mat, BlockedMatrix< Scalar > *jacMat) override
void	apply (const cl::Buffer &y, cl::Buffer &x, WellContributions< Scalar > &wellContribs) override
std::tuple< std::vector< int >, std::vector< int >, std::vector< int > >	get_preconditioner_structure ()
std::pair< cl::Buffer, cl::Buffer >	get_preconditioner_data ()
Public Member Functions inherited from Opm::Accelerator::openclPreconditioner< Scalar, block_size >
virtual void	setOpencl (std::shared_ptr< cl::Context > &context, std::shared_ptr< cl::CommandQueue > &queue)

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 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 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

Detailed Description

template<class Scalar, unsigned int block_size>
class Opm::Accelerator::openclBILU0< Scalar, block_size >

This class implements a Blocked ILU0 preconditioner The decomposition is done on GPU, using exact decomposition, or ChowPatel decomposition The preconditioner is applied via two exact triangular solves.

Member Function Documentation

analyze_matrix()

template<class Scalar, unsigned int block_size>

bool Opm::Accelerator::openclBILU0< 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::openclBILU0< 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::openclBILU0< Scalar, block_size >::create_preconditioner ( BlockedMatrix< Scalar > * mat )

overridevirtual

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

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

• opm/simulators/linalg/gpubridge/opencl/openclBILU0.hpp
• opm/simulators/linalg/gpubridge/opencl/openclBILU0.cpp