A slice of an array-of-structs-of-arrays with data access to a single multidimensional member. More...

#include <Cabana_Slice.hpp>

Public Types
enum	{ rank = std::rank<DataType>::value + 1 }

using	slice_type
	Slice type.

using	memory_space = typename MemorySpace::memory_space
	Memory space.

using	execution_space = typename memory_space::execution_space
	Default execution space.

using	memory_access_type = MemoryAccessType
	Memory access type.

using	size_type = typename memory_space::size_type
	Memory space size type.

using	index_type = Impl::Index<vector_length>
	Index type.

using	view_wrapper
	Kokkos view wrapper.

using	kokkos_view
	Kokkos view type.

using	reference_type = typename kokkos_view::reference_type
	View reference type alias.

using	value_type = typename kokkos_view::value_type
	View value type alias.

using	pointer_type = typename kokkos_view::pointer_type
	View pointer type alias.

using	view_layout = typename kokkos_view::array_layout
	View array layout type alias.

using	default_access_slice
	Default memory access slice type.

using	atomic_access_slice
	Atomic memory access slice type.

using	random_access_slice
	Random memory access slice type.

Public Member Functions
	Slice ()
	Default constructor.

	Slice (const pointer_type data, const size_type size, const size_type num_soa, const std::string &label="")
	Constructor.

template<class MAT>
	Slice (const Slice< DataType, MemorySpace, MAT, VectorLength, Stride > &rhs)
	Shallow copy constructor for different memory spaces for assigning new memory access traits to the view.

template<class MAT>
Slice &	operator= (const Slice< DataType, MemorySpace, MAT, VectorLength, Stride > &rhs)
	Assignment operator for different memory spaces for assigning new memory access traits to the view.

std::string	label () const
	Returns the data structure label.

KOKKOS_INLINE_FUNCTION size_type	size () const
	Returns the total number tuples in the slice.

KOKKOS_INLINE_FUNCTION size_type	numSoA () const
	Get the number of structs-of-arrays in the container.

KOKKOS_INLINE_FUNCTION size_type	arraySize (const size_type s) const
	Get the size of the data array at a given struct member index.

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(0==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	access (const size_type s, const size_type a) const
	2d access for Rank 0

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(1==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	access (const size_type s, const size_type a, const size_type d0) const
	2d access for Rank 1

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(2==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	access (const size_type s, const size_type a, const size_type d0, const size_type d1) const
	2d access for Rank 2

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(3==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	access (const size_type s, const size_type a, const size_type d0, const size_type d1, const size_type d2) const
	2d access for Rank 3

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(0==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	operator() (const size_type i) const
	1d access for Rank 0

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(1==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	operator() (const size_type i, const size_type d0) const
	1d access for Rank 1

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(2==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	operator() (const size_type i, const size_type d0, const size_type d1) const
	1d access for Rank 2

template<typename U = DataType>
KOKKOS_FORCEINLINE_FUNCTION std::enable_if<(3==std::rank< U >::value &&std::is_same< U, DataType >::value), reference_type >::type	operator() (const size_type i, const size_type d0, const size_type d1, const size_type d2) const
	1d access for Rank 3

KOKKOS_INLINE_FUNCTION pointer_type	data () const
	Get a raw pointer to the data for this member.

KOKKOS_INLINE_FUNCTION constexpr size_type	viewRank () const
	Get the rank of the raw data for this slice. This includes the struct dimension, array dimension, and all tuple slice dimensions.

KOKKOS_INLINE_FUNCTION size_type	extent (const size_type d) const
	Get the extent of a given raw slice data dimension. This includes the struct dimension, array dimension, and all tuple slice dimensions.

KOKKOS_INLINE_FUNCTION size_type	stride (const size_type d) const
	Get the stride of a given raw slice dimension. This includes the struct dimension, array dimension, and all tuple slice dimensions.

KOKKOS_INLINE_FUNCTION kokkos_view	view () const
	Get the underlying Kokkos View managing the slice data.

Static Public Attributes
static constexpr int	vector_length = VectorLength
	Vector length.

static constexpr int	soa_stride = Stride
	SoA stride.

static constexpr std::size_t	max_supported_rank = 3
	Maximum supported rank.

static constexpr std::size_t	max_label_length = 128
	Maximum label length.

Friends
class	Slice< DataType, MemorySpace, DefaultAccessMemory, VectorLength, Stride >

class	Slice< DataType, MemorySpace, AtomicAccessMemory, VectorLength, Stride >

class	Slice< DataType, MemorySpace, RandomAccessMemory, VectorLength, Stride >

Detailed Description

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>
class Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >

A slice of an array-of-structs-of-arrays with data access to a single multidimensional member.

Member Typedef Documentation

◆ atomic_access_slice

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

using Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::atomic_access_slice

Initial value:

Slice<DataType, MemorySpace, AtomicAccessMemory, VectorLength, Stride>

Cabana::Slice::Slice

Slice()

Default constructor.

Definition Cabana_Slice.hpp:598

Atomic memory access slice type.

◆ default_access_slice

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

using Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::default_access_slice

Initial value:

Slice<DataType, MemorySpace, DefaultAccessMemory, VectorLength, Stride>

Default memory access slice type.

◆ kokkos_view

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

using Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::kokkos_view

Initial value:

 
        Kokkos::View<typename view_wrapper::data_type,
                     typename view_wrapper::cabana_layout, MemorySpace,
                     typename MemoryAccessType::kokkos_memory_traits>

Kokkos view type.

◆ random_access_slice

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

using Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::random_access_slice

Initial value:

Slice<DataType, MemorySpace, RandomAccessMemory, VectorLength, Stride>

Random memory access slice type.

◆ slice_type

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

using Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::slice_type

Initial value:

Slice<DataType, MemorySpace, MemoryAccessType, VectorLength, Stride>

Slice type.

◆ view_wrapper

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

using Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::view_wrapper

Initial value:

Impl::KokkosViewWrapper<DataType, vector_length, soa_stride>

Kokkos view wrapper.

Constructor & Destructor Documentation

◆ Slice() [1/2]

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::Slice	(	const pointer_type	data,
		const size_type	size,
		const size_type	num_soa,
		const std::string &	label = "" )

inline

Constructor.

Parameters

data	Pointer to the first member of the slice.
size	The number of tuples in the slice.
num_soa	The number of structs in the slice.
label	An optional label for the slice.

◆ Slice() [2/2]

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

template<class MAT>

Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::Slice ( const Slice< DataType, MemorySpace, MAT, VectorLength, Stride > & rhs )

inline

Shallow copy constructor for different memory spaces for assigning new memory access traits to the view.

Template Parameters

MAT	Memory access type.

Parameters

rhs	The slice to shallow copy with a potentially different memory space.

Member Function Documentation

◆ arraySize()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION size_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::arraySize ( const size_type s ) const

inline

Get the size of the data array at a given struct member index.

Parameters

s	The struct index to get the array size for.

Returns: The size of the array at the given struct index.

◆ data()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION pointer_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::data ( ) const

inline

Get a raw pointer to the data for this member.

Returns: A raw pointer to the data for this slice.

◆ extent()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION size_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::extent ( const size_type d ) const

inline

Get the extent of a given raw slice data dimension. This includes the struct dimension, array dimension, and all tuple slice dimensions.

Parameters

d	The member data dimension to get the extent for.

Returns: The extent of the given member data dimension.

◆ label()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

std::string Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::label ( ) const

inline

Returns the data structure label.

Returns: A string identifying the data structure.

◆ numSoA()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION size_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::numSoA ( ) const

inline

Get the number of structs-of-arrays in the container.

Returns: The number of structs-of-arrays in the container.

◆ operator=()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

template<class MAT>

Slice & Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::operator= ( const Slice< DataType, MemorySpace, MAT, VectorLength, Stride > & rhs )

inline

Assignment operator for different memory spaces for assigning new memory access traits to the view.

Template Parameters

MAT	Memory access type

Parameters

rhs	The slice to shallow copy with a potentially different memory space.

Returns: A reference to a new slice with a potentially different memory space.

◆ size()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION size_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::size ( ) const

inline

Returns the total number tuples in the slice.

Returns: The number of tuples in the slice.

◆ stride()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION size_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::stride ( const size_type d ) const

inline

Get the stride of a given raw slice dimension. This includes the struct dimension, array dimension, and all tuple slice dimensions.

Parameters

d	The member data dimension to get the stride for.

Returns: The stride of the given member data dimension.

◆ viewRank()

template<typename DataType, typename MemorySpace, typename MemoryAccessType, int VectorLength, int Stride>

KOKKOS_INLINE_FUNCTION constexpr size_type Cabana::Slice< DataType, MemorySpace, MemoryAccessType, VectorLength, Stride >::viewRank ( ) const

inlineconstexpr

Get the rank of the raw data for this slice. This includes the struct dimension, array dimension, and all tuple slice dimensions.

Returns: The rank of the data for this slice.

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

core/src/Cabana_Slice.hpp

Public Types

Public Member Functions

Static Public Attributes

Friends

Detailed Description

Member Typedef Documentation

◆ atomic_access_slice

◆ default_access_slice

◆ kokkos_view

◆ random_access_slice

◆ slice_type

◆ view_wrapper

Constructor & Destructor Documentation

◆ Slice() [1/2]

◆ Slice() [2/2]

Member Function Documentation

◆ arraySize()

◆ data()

◆ extent()

◆ label()

◆ numSoA()

◆ operator=()

◆ size()

◆ stride()

◆ viewRank()