Opm::cuistl::CuDILU< M, X, Y, l > Class Template Reference

DILU preconditioner on the GPU. More...

#include <CuDILU.hpp>

Inheritance diagram for Opm::cuistl::CuDILU< M, X, Y, l >:

Public Types
using	matrix_type = typename std::remove_const< M >::type
	The matrix type the preconditioner is for.
using	domain_type = X
	The domain type of the preconditioner.
using	range_type = Y
	The range type of the preconditioner.
using	field_type = typename X::field_type
	The field type of the preconditioner.

Public Member Functions
	CuDILU (const M &A)
	Constructor.
void	pre (X &x, Y &b) override
	Prepare the preconditioner.
void	apply (X &v, const Y &d) override
	Apply the preconditoner.
void	post (X &x) override
	Post processing.
Dune::SolverCategory::Category	category () const override
	Category of the preconditioner (see SolverCategory::Category)
void	update () final
	Updates the matrix data.

Static Public Member Functions
static constexpr bool	shouldCallPre ()
static constexpr bool	shouldCallPost ()

Detailed Description

template<class M, class X, class Y, int l = 1>
class Opm::cuistl::CuDILU< M, X, Y, l >

DILU preconditioner on the GPU.

Template Parameters

M	The matrix type to operate on
X	Type of the update
Y	Type of the defect
l	Ignored. Just there to have the same number of template arguments as other preconditioners.

Note

We assume X and Y are both CuVector<real_type>, but we leave them as template arguments in case of future additions.

Constructor & Destructor Documentation

CuDILU()

template<class M , class X , class Y , int l>

Opm::cuistl::CuDILU< M, X, Y, l >::CuDILU ( const M &  A )

explicit

Constructor.

Constructor gets all parameters to operate the prec.

Parameters

A	The matrix to operate on.
w	The relaxation factor.

Member Function Documentation

post()

template<class M , class X , class Y , int l>

void Opm::cuistl::CuDILU< M, X, Y, l >::post ( X &  x )

override

Post processing.

Note

Does nothing at the moment

pre()

template<class M , class X , class Y , int l>

void Opm::cuistl::CuDILU< M, X, Y, l >::pre ( X &  x, Y &  b  )

override

Prepare the preconditioner.

Note

Does nothing at the time being.

shouldCallPost()

template<class M , class X , class Y , int l = 1>

static constexpr bool Opm::cuistl::CuDILU< M, X, Y, l >::shouldCallPost ( )

inlinestaticconstexpr

Returns

false

shouldCallPre()

template<class M , class X , class Y , int l = 1>

static constexpr bool Opm::cuistl::CuDILU< M, X, Y, l >::shouldCallPre ( )

inlinestaticconstexpr

Returns

false

update()

template<class M , class X , class Y , int l>

void Opm::cuistl::CuDILU< M, X, Y, l >::update ( )

finalvirtual

Updates the matrix data.

Implements Dune::PreconditionerWithUpdate< X, Y >.

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

• opm/simulators/linalg/cuistl/CuDILU.hpp
• opm/simulators/linalg/cuistl/CuDILU.cpp