Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend > Class Template Reference

Distributed wrapper for Eigen::SparseLU solver. More...

#include </__w/arcaneframework.github.io/arcaneframework.github.io/framework/arccore/src/alina/arccore/alina/DistributedEigenSparseLUDirectSolver.h>

Inheritance diagram for Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >:

Collaboration diagram for Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >:

Public Types
using	value_type = Backend::value_type
using	EigenMatrix = Eigen::SparseMatrix<value_type, Eigen::ColMajor, int>
using	Solver = EigenSolver<Eigen::SparseLU<EigenMatrix>>
typedef Solver::params	params
typedef CSRMatrix< value_type >	build_matrix
Public Types inherited from Arcane::Alina::DistributedDirectSolverBase< Backend, DistributedEigenSparseLUDirectSolver< Backend > >
typedef Backend::value_type	value_type
typedef math::scalar_of< value_type >::type	scalar_type
typedef math::rhs_of< value_type >::type	rhs_type
using	col_type
using	ptr_type
typedef CSRMatrix< value_type, col_type, ptr_type >	build_matrix

Public Member Functions
template<class Matrix>
	DistributedEigenSparseLUDirectSolver (mpi_communicator comm, const Matrix &A, const params &prm=params())
	Constructor.
int	comm_size (int) const
void	init (mpi_communicator, const build_matrix &A)
template<class Vec1, class Vec2>
void	solve (const Vec1 &rhs, Vec2 &x) const
	Solves the problem for the given right-hand side.
Public Member Functions inherited from Arcane::Alina::DistributedDirectSolverBase< Backend, DistributedEigenSparseLUDirectSolver< Backend > >
void	init (mpi_communicator comm, const build_matrix &Astrip)
void	init (mpi_communicator comm, const DistributedMatrix< B > &A)
DistributedEigenSparseLUDirectSolver< Backend > &	solver ()
const DistributedEigenSparseLUDirectSolver< Backend > &	solver () const
void	operator() (const VecF &f, VecX &x) const

Static Public Member Functions
static size_t	coarse_enough ()

Private Types
using	Base = DistributedDirectSolverBase<Backend, DistributedEigenSparseLUDirectSolver<Backend>>

Private Attributes
params	prm
std::shared_ptr< Solver >	S

Detailed Description

template<typename Backend>
class Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >

Distributed wrapper for Eigen::SparseLU solver.

This is a wrapper around Eigen SparseLU solver that provides a distributed direct solver interface but always works sequentially.

Definition at line 48 of file DistributedEigenSparseLUDirectSolver.h.

Member Typedef Documentation

Base

template<typename Backend>

using Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::Base = DistributedDirectSolverBase<Backend, DistributedEigenSparseLUDirectSolver<Backend>>

private

Definition at line 51 of file DistributedEigenSparseLUDirectSolver.h.

build_matrix

template<typename Backend>

typedef CSRMatrix<value_type> Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::build_matrix

Definition at line 59 of file DistributedEigenSparseLUDirectSolver.h.

EigenMatrix

template<typename Backend>

using Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::EigenMatrix = Eigen::SparseMatrix<value_type, Eigen::ColMajor, int>

Definition at line 56 of file DistributedEigenSparseLUDirectSolver.h.

params

template<typename Backend>

typedef Solver::params Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::params

Definition at line 58 of file DistributedEigenSparseLUDirectSolver.h.

Solver

template<typename Backend>

using Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::Solver = EigenSolver<Eigen::SparseLU<EigenMatrix>>

Definition at line 57 of file DistributedEigenSparseLUDirectSolver.h.

value_type

template<typename Backend>

using Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::value_type = Backend::value_type

Definition at line 55 of file DistributedEigenSparseLUDirectSolver.h.

Constructor & Destructor Documentation

DistributedEigenSparseLUDirectSolver()

template<typename Backend>

template<class Matrix>

Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::DistributedEigenSparseLUDirectSolver ( mpi_communicator comm, const Matrix & A, const params & prm = params() )

inline

Constructor.

Definition at line 63 of file DistributedEigenSparseLUDirectSolver.h.

Member Function Documentation

coarse_enough()

template<typename Backend>

size_t Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::coarse_enough ( )

inlinestatic

Definition at line 70 of file DistributedEigenSparseLUDirectSolver.h.

comm_size()

template<typename Backend>

int Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::comm_size ( int ) const

inline

Definition at line 75 of file DistributedEigenSparseLUDirectSolver.h.

init()

template<typename Backend>

void Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::init ( mpi_communicator , const build_matrix & A )

inline

Definition at line 80 of file DistributedEigenSparseLUDirectSolver.h.

solve()

template<typename Backend>

template<class Vec1, class Vec2>

void Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::solve ( const Vec1 & rhs, Vec2 & x ) const

inline

Solves the problem for the given right-hand side.

Parameters

rhs	The right-hand side.
x	The solution.

Definition at line 92 of file DistributedEigenSparseLUDirectSolver.h.

Member Data Documentation

prm

template<typename Backend>

params Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::prm

private

Definition at line 99 of file DistributedEigenSparseLUDirectSolver.h.

S

template<typename Backend>

std::shared_ptr<Solver> Arcane::Alina::DistributedEigenSparseLUDirectSolver< Backend >::S

private

Definition at line 100 of file DistributedEigenSparseLUDirectSolver.h.

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

• DistributedEigenSparseLUDirectSolver.h