CUDAWrappers::MatrixFree< dim, Number >::Data Struct Reference

#include <deal.II/matrix_free/cuda_matrix_free.h>

Public Member Functions
unsigned int	local_q_point_id (const unsigned int cell, const unsigned int n_q_points, const unsigned int q_point) const
CUDAWrappers::MatrixFree< dim, Number >::point_type &	get_quadrature_point (const unsigned int cell, const unsigned int q_point) const

Public Attributes
Kokkos::View< point_type **, MemorySpace::Default::kokkos_space >	q_points
Kokkos::View< types::global_dof_index **, MemorySpace::Default::kokkos_space >	local_to_global
Kokkos::View< Number **[dim][dim], MemorySpace::Default::kokkos_space >	inv_jacobian
Kokkos::View< Number **, MemorySpace::Default::kokkos_space >	JxW
Kokkos::View<::internal::MatrixFreeFunctions::ConstraintKinds *, MemorySpace::Default::kokkos_space >	constraint_mask
Kokkos::View< Number *, MemorySpace::Default::kokkos_space >	shape_values
Kokkos::View< Number *, MemorySpace::Default::kokkos_space >	shape_gradients
Kokkos::View< Number *, MemorySpace::Default::kokkos_space >	co_shape_gradients
Kokkos::View< Number *, MemorySpace::Default::kokkos_space >	constraint_weights
unsigned int	n_cells
unsigned int	padding_length
unsigned int	row_start
bool	use_coloring

Detailed Description

template<int dim, typename Number = double>
struct CUDAWrappers::MatrixFree< dim, Number >::Data

Structure which is passed to the kernel. It is used to pass all the necessary information from the CPU to the GPU.

Definition at line 160 of file cuda_matrix_free.h.

Member Function Documentation

local_q_point_id()

template<int dim, typename Number = double>

unsigned int CUDAWrappers::MatrixFree< dim, Number >::Data::local_q_point_id ( const unsigned int  cell, const unsigned int  n_q_points, const unsigned int  q_point  ) const

inline

Return the quadrature point index local. The index is only unique for a given MPI process.

Definition at line 242 of file cuda_matrix_free.h.

get_quadrature_point()

template<int dim, typename Number = double>

CUDAWrappers::MatrixFree< dim, Number >::point_type & CUDAWrappers::MatrixFree< dim, Number >::Data::get_quadrature_point ( const unsigned int  cell, const unsigned int  q_point  ) const

inline

Return the quadrature point.

Definition at line 255 of file cuda_matrix_free.h.

Member Data Documentation

q_points

template<int dim, typename Number = double>

Kokkos::View<point_type **, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::q_points

Kokkos::View of the quadrature points.

Definition at line 165 of file cuda_matrix_free.h.

local_to_global

template<int dim, typename Number = double>

Kokkos::View<types::global_dof_index **, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::local_to_global

Map the position in the local vector to the position in the global vector.

Definition at line 173 of file cuda_matrix_free.h.

inv_jacobian

template<int dim, typename Number = double>

Kokkos::View<Number **[dim][dim], MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::inv_jacobian

Kokkos::View of the inverse Jacobian.

Definition at line 179 of file cuda_matrix_free.h.

JxW

template<int dim, typename Number = double>

Kokkos::View<Number **, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::JxW

Kokkos::View of the Jacobian times the weights.

Definition at line 184 of file cuda_matrix_free.h.

constraint_mask

template<int dim, typename Number = double>

Kokkos::View<::internal::MatrixFreeFunctions::ConstraintKinds *, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::constraint_mask

Mask deciding where constraints are set on a given cell.

Definition at line 191 of file cuda_matrix_free.h.

shape_values

template<int dim, typename Number = double>

Kokkos::View<Number *, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::shape_values

Values of the shape functions.

Definition at line 196 of file cuda_matrix_free.h.

shape_gradients

template<int dim, typename Number = double>

Kokkos::View<Number *, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::shape_gradients

Gradients of the shape functions.

Definition at line 202 of file cuda_matrix_free.h.

co_shape_gradients

template<int dim, typename Number = double>

Kokkos::View<Number *, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::co_shape_gradients

Gradients of the shape functions for collocation methods.

Definition at line 208 of file cuda_matrix_free.h.

constraint_weights

template<int dim, typename Number = double>

Kokkos::View<Number *, MemorySpace::Default::kokkos_space> CUDAWrappers::MatrixFree< dim, Number >::Data::constraint_weights

Weights used when resolving hanginf nodes.

Definition at line 214 of file cuda_matrix_free.h.

n_cells

template<int dim, typename Number = double>

unsigned int CUDAWrappers::MatrixFree< dim, Number >::Data::n_cells

Number of cells.

Definition at line 219 of file cuda_matrix_free.h.

padding_length

template<int dim, typename Number = double>

unsigned int CUDAWrappers::MatrixFree< dim, Number >::Data::padding_length

Length of the padding.

Definition at line 224 of file cuda_matrix_free.h.

row_start

template<int dim, typename Number = double>

unsigned int CUDAWrappers::MatrixFree< dim, Number >::Data::row_start

Row start (including padding).

Definition at line 229 of file cuda_matrix_free.h.

use_coloring

template<int dim, typename Number = double>

bool CUDAWrappers::MatrixFree< dim, Number >::Data::use_coloring

If true, use graph coloring has been used and we can simply add into the destingation vector. Otherwise, use atomic operations.

Definition at line 235 of file cuda_matrix_free.h.

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

• include/deal.II/matrix_free/cuda_matrix_free.h