Portable::DataHost< dim, Number > Struct Template Reference

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

Detailed Description

template<int dim, typename Number>
struct Portable::DataHost< dim, Number >

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 1145 of file portable_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
Point< dim, Number >	get_quadrature_point (const unsigned int cell, const unsigned int q_point) const
unsigned int	inv_jacobian_index (const unsigned int cell, const unsigned int q_point) const
Number	JxW_value (const unsigned int cell, const unsigned int q_point) const

Public Attributes
Kokkos::View< Point< dim, Number > **, MemorySpace::Default::kokkos_space >::host_mirror_type	q_points
Kokkos::View< types::global_dof_index **, MemorySpace::Default::kokkos_space >::host_mirror_type	local_to_global
Kokkos::View< Number *[dim][dim], MemorySpace::Default::kokkos_space >::host_mirror_type	inv_jacobian
Kokkos::View< Number *, MemorySpace::Default::kokkos_space >::host_mirror_type	JxW
Kokkos::View<::internal::MatrixFreeFunctions::GeometryType *, MemorySpace::Default::kokkos_space >::host_mirror_type	cell_type
Kokkos::View< unsignedint *, MemorySpace::Default::kokkos_space >::host_mirror_type	data_index_offsets
Kokkos::View< Number *, MemorySpace::Default::kokkos_space >::host_mirror_type	q_weights
unsigned int	n_cells
unsigned int	first_cell
Kokkos::View<::internal::MatrixFreeFunctions::ConstraintKinds *, MemorySpace::Default::kokkos_space >::host_mirror_type	constraint_mask
bool	use_coloring

Member Function Documentation

local_q_point_id()

template<int dim, typename Number >

unsigned int Portable::DataHost< dim, Number >::local_q_point_id ( const unsigned int  cell, const unsigned int  n_q_points, const unsigned int  q_point  ) const

inline

This function is the host version of local_q_point_id().

Definition at line 1234 of file portable_matrix_free.h.

get_quadrature_point()

template<int dim, typename Number >

Point< dim, Number > Portable::DataHost< dim, Number >::get_quadrature_point ( const unsigned int  cell, const unsigned int  q_point  ) const

inline

This function is the host version of get_quadrature_point().

Definition at line 1247 of file portable_matrix_free.h.

inv_jacobian_index()

template<int dim, typename Number >

unsigned int Portable::DataHost< dim, Number >::inv_jacobian_index ( const unsigned int  cell, const unsigned int  q_point  ) const

inline

This function is the host version of PrecomputedData::inv_jacobian_index().

Definition at line 1258 of file portable_matrix_free.h.

JxW_value()

template<int dim, typename Number >

Number Portable::DataHost< dim, Number >::JxW_value ( const unsigned int  cell, const unsigned int  q_point  ) const

inline

This function is the host version of PrecomputedData::JxW_value().

Definition at line 1272 of file portable_matrix_free.h.

Member Data Documentation

q_points

template<int dim, typename Number >

Kokkos::View<Point<dim,Number>**,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::q_points

Kokkos::View of quadrature points on the host.

Definition at line 1152 of file portable_matrix_free.h.

local_to_global

template<int dim, typename Number >

Kokkos::View<types::global_dof_index**,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::local_to_global

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

Definition at line 1160 of file portable_matrix_free.h.

inv_jacobian

template<int dim, typename Number >

Kokkos::View<Number*[dim][dim],MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::inv_jacobian

Kokkos::View of inverse Jacobians on the host in compressed (see PrecomputedData) form.

Definition at line 1168 of file portable_matrix_free.h.

JxW

template<int dim, typename Number >

Kokkos::View<Number*,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::JxW

Kokkos::View of Jacobian times the weights on the host in compressed (see PrecomputedData) form.

Definition at line 1176 of file portable_matrix_free.h.

cell_type

template<int dim, typename Number >

Kokkos::View<::internal::MatrixFreeFunctions::GeometryType*,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::cell_type

Geometric classification (Cartesian, affine, or general) of each cell on the host.

Definition at line 1184 of file portable_matrix_free.h.

data_index_offsets

template<int dim, typename Number >

Kokkos::View<unsignedint*,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::data_index_offsets

Index of the first entry of each cell within the compressed inv_jacobian and JxW storage on the host.

Definition at line 1192 of file portable_matrix_free.h.

q_weights

template<int dim, typename Number >

Kokkos::View<Number*,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::q_weights

Quadrature weights of the reference cell on the host.

Definition at line 1199 of file portable_matrix_free.h.

n_cells

template<int dim, typename Number >

unsigned int Portable::DataHost< dim, Number >::n_cells

Number of cells.

Definition at line 1204 of file portable_matrix_free.h.

first_cell

template<int dim, typename Number >

unsigned int Portable::DataHost< dim, Number >::first_cell

Global index of the first cell of the current color. Here, the term 'global' indicates an aggregated number across all colors in a parallel task setup, but still local with respect to the current MPI process in an MPI-parallel context.

Definition at line 1213 of file portable_matrix_free.h.

constraint_mask

template<int dim, typename Number >

Kokkos::View<::internal::MatrixFreeFunctions::ConstraintKinds*,MemorySpace::Default::kokkos_space>::host_mirror_type Portable::DataHost< dim, Number >::constraint_mask

Mask deciding where constraints are set on a given cell.

Definition at line 1220 of file portable_matrix_free.h.

use_coloring

template<int dim, typename Number >

bool Portable::DataHost< dim, Number >::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 1226 of file portable_matrix_free.h.

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

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