Reference documentation for deal.II version GIT c00406db16 2023-09-28 18:00:02+00:00
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Public Member Functions | Public Attributes | List of all members
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_typeget_quadrature_point (const unsigned int cell, const unsigned int q_point) const
 

Public Attributes

Kokkos::View< point_type **, MemorySpace::Default::kokkos_spaceq_points
 
Kokkos::View< types::global_dof_index **, MemorySpace::Default::kokkos_spacelocal_to_global
 
Kokkos::View< Number **[dim][dim], MemorySpace::Default::kokkos_spaceinv_jacobian
 
Kokkos::View< Number **, MemorySpace::Default::kokkos_spaceJxW
 
Kokkos::View<::internal::MatrixFreeFunctions::ConstraintKinds *, MemorySpace::Default::kokkos_spaceconstraint_mask
 
Kokkos::View< Number *, MemorySpace::Default::kokkos_spaceshape_values
 
Kokkos::View< Number *, MemorySpace::Default::kokkos_spaceshape_gradients
 
Kokkos::View< Number *, MemorySpace::Default::kokkos_spaceco_shape_gradients
 
Kokkos::View< Number *, MemorySpace::Default::kokkos_spaceconstraint_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.


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