Cabana_Grid_IndexSpace.hpp File Reference

Logical grid indexing. More...

#include <Cabana_Utils.hpp>
#include <Kokkos_Core.hpp>
#include <algorithm>
#include <array>
#include <string>

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Classes
class	Cabana::Grid::IndexSpace< N >
	Structured index space. More...

Namespaces
namespace	Cabana
	Core: particle data structures and algorithms.

Functions
template<class ExecutionSpace>
Kokkos::RangePolicy< ExecutionSpace >	Cabana::Grid::createExecutionPolicy (const IndexSpace< 1 > &index_space, const ExecutionSpace &exec_space)
	Create a multi-dimensional execution policy over an index space.
template<class ExecutionSpace, class WorkTag>
Kokkos::RangePolicy< ExecutionSpace, WorkTag >	Cabana::Grid::createExecutionPolicy (const IndexSpace< 1 > &index_space, const ExecutionSpace &exec_space, const WorkTag &)
	Create a multi-dimensional execution policy over an index space.
template<class IndexSpace_t, class ExecutionSpace>
Kokkos::MDRangePolicy< ExecutionSpace, Kokkos::Rank< IndexSpace_t::Rank > >	Cabana::Grid::createExecutionPolicy (const IndexSpace_t &index_space, const ExecutionSpace &exec_space)
	Create a multi-dimensional execution policy over an index space.
template<class IndexSpace_t, class ExecutionSpace, class WorkTag>
Kokkos::MDRangePolicy< ExecutionSpace, WorkTag, Kokkos::Rank< IndexSpace_t::Rank > >	Cabana::Grid::createExecutionPolicy (const IndexSpace_t &index_space, const ExecutionSpace &exec_space, const WorkTag &)
	Create a multi-dimensional execution policy over an index space with a work tag.
template<class Scalar, class... Params>
Kokkos::View< Scalar *, Params... >	Cabana::Grid::createView (const std::string &label, const IndexSpace< 1 > &index_space)
	Given an index space create a view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar *, Params..., Kokkos::MemoryUnmanaged >	Cabana::Grid::createView (const IndexSpace< 1 > &index_space, Scalar *data)
	Given an index space and a data pointer create an unmanaged view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar **, Params... >	Cabana::Grid::createView (const std::string &label, const IndexSpace< 2 > &index_space)
	Given an index space create a view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar **, Params..., Kokkos::MemoryUnmanaged >	Cabana::Grid::createView (const IndexSpace< 2 > &index_space, Scalar *data)
	Given an index space and a data pointer create an unmanaged view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar ***, Params... >	Cabana::Grid::createView (const std::string &label, const IndexSpace< 3 > &index_space)
	Given an index space create a view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar ***, Params..., Kokkos::MemoryUnmanaged >	Cabana::Grid::createView (const IndexSpace< 3 > &index_space, Scalar *data)
	Given an index space and a data pointer create an unmanaged view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar ****, Params... >	Cabana::Grid::createView (const std::string &label, const IndexSpace< 4 > &index_space)
	Given an index space create a view over the extent of that index space.
template<class Scalar, class... Params>
Kokkos::View< Scalar ****, Params..., Kokkos::MemoryUnmanaged >	Cabana::Grid::createView (const IndexSpace< 4 > &index_space, Scalar *data)
	Given an index space and a data pointer create an unmanaged view over the extent of that index space.
template<class ViewType>
KOKKOS_INLINE_FUNCTION auto	Cabana::Grid::createSubview (const ViewType &view, const IndexSpace< 1 > &index_space) -> decltype(Kokkos::subview(view, index_space.range(0)))
	Given a view create a subview over the given index space.
template<class ViewType>
KOKKOS_INLINE_FUNCTION auto	Cabana::Grid::createSubview (const ViewType &view, const IndexSpace< 2 > &index_space) -> decltype(Kokkos::subview(view, index_space.range(0), index_space.range(1)))
	Given a view create a subview over the given index space.
template<class ViewType>
KOKKOS_INLINE_FUNCTION auto	Cabana::Grid::createSubview (const ViewType &view, const IndexSpace< 3 > &index_space) -> decltype(Kokkos::subview(view, index_space.range(0), index_space.range(1), index_space.range(2)))
	Given a view create a subview over the given index space.
template<class ViewType>
KOKKOS_INLINE_FUNCTION auto	Cabana::Grid::createSubview (const ViewType &view, const IndexSpace< 4 > &index_space) -> decltype(Kokkos::subview(view, index_space.range(0), index_space.range(1), index_space.range(2), index_space.range(3)))
	Given a view create a subview over the given index space.
template<long N>
IndexSpace< N+1 >	Cabana::Grid::appendDimension (const IndexSpace< N > &index_space, const long size)
	Given an N-dimensional index space append an additional dimension with the given size.
template<long N>
IndexSpace< N+1 >	Cabana::Grid::appendDimension (const IndexSpace< N > &index_space, const long min, const long max)
	Given an N-dimensional index space append an additional dimension with the given range.

Detailed Description

Logical grid indexing.

Function Documentation

appendDimension() [1/2]

template<long N>

IndexSpace< N+1 > Cabana::Grid::appendDimension	(	const IndexSpace< N > &	index_space,
		const long	min,
		const long	max )

Given an N-dimensional index space append an additional dimension with the given range.

Returns

IndexSpace with dimension N+1.

appendDimension() [2/2]

template<long N>

IndexSpace< N+1 > Cabana::Grid::appendDimension	(	const IndexSpace< N > &	index_space,
		const long	size )

Given an N-dimensional index space append an additional dimension with the given size.

Returns

IndexSpace with dimension N+1.

createExecutionPolicy() [1/4]

template<class ExecutionSpace>

Kokkos::RangePolicy< ExecutionSpace > Cabana::Grid::createExecutionPolicy	(	const IndexSpace< 1 > &	index_space,
		const ExecutionSpace &	exec_space )

Create a multi-dimensional execution policy over an index space.

Returns

Kokkos::RangePolicy Rank-1 specialization.

createExecutionPolicy() [2/4]

template<class ExecutionSpace, class WorkTag>

Kokkos::RangePolicy< ExecutionSpace, WorkTag > Cabana::Grid::createExecutionPolicy	(	const IndexSpace< 1 > &	index_space,
		const ExecutionSpace &	exec_space,
		const WorkTag &	)

Create a multi-dimensional execution policy over an index space.

Returns

Kokkos::RangePolicy

Rank-1 specialization with a work tag.

createExecutionPolicy() [3/4]

template<class IndexSpace_t, class ExecutionSpace>

Kokkos::MDRangePolicy< ExecutionSpace, Kokkos::Rank< IndexSpace_t::Rank > > Cabana::Grid::createExecutionPolicy	(	const IndexSpace_t &	index_space,
		const ExecutionSpace &	exec_space )

Create a multi-dimensional execution policy over an index space.

Returns

Kokkos::MDRangePolicy

createExecutionPolicy() [4/4]

template<class IndexSpace_t, class ExecutionSpace, class WorkTag>

Kokkos::MDRangePolicy< ExecutionSpace, WorkTag, Kokkos::Rank< IndexSpace_t::Rank > > Cabana::Grid::createExecutionPolicy	(	const IndexSpace_t &	index_space,
		const ExecutionSpace &	exec_space,
		const WorkTag &	)

Create a multi-dimensional execution policy over an index space with a work tag.

Returns

Kokkos::MDRangePolicy

createSubview() [1/4]

template<class ViewType>

KOKKOS_INLINE_FUNCTION auto Cabana::Grid::createSubview	(	const ViewType &	view,
		const IndexSpace< 1 > &	index_space ) -> decltype( Kokkos::subview( view, index_space.range( 0 ) ) )

Given a view create a subview over the given index space.

Returns

subview of the original Kokkos::View

Rank-1 specialization.

createSubview() [2/4]

template<class ViewType>

KOKKOS_INLINE_FUNCTION auto Cabana::Grid::createSubview	(	const ViewType &	view,
		const IndexSpace< 2 > &	index_space ) -> decltype( Kokkos::subview( view, index_space.range( 0 ), index_space.range( 1 ) ) )

Given a view create a subview over the given index space.

Returns

subview of the original Kokkos::View

Rank-2 specialization.

createSubview() [3/4]

template<class ViewType>

KOKKOS_INLINE_FUNCTION auto Cabana::Grid::createSubview	(	const ViewType &	view,
		const IndexSpace< 3 > &	index_space ) -> decltype( Kokkos::subview( view, index_space.range( 0 ), index_space.range( 1 ), index_space.range( 2 ) ) )

Given a view create a subview over the given index space.

Returns

subview of the original Kokkos::View

Rank-3 specialization.

createSubview() [4/4]

template<class ViewType>

KOKKOS_INLINE_FUNCTION auto Cabana::Grid::createSubview	(	const ViewType &	view,
		const IndexSpace< 4 > &	index_space ) -> decltype( Kokkos::subview( view, index_space.range( 0 ), index_space.range( 1 ), index_space.range( 2 ), index_space.range( 3 ) ) )

Given a view create a subview over the given index space.

Returns

subview of the original Kokkos::View

Rank-4 specialization.

createView() [1/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar *, Params..., Kokkos::MemoryUnmanaged > Cabana::Grid::createView	(	const IndexSpace< 1 > &	index_space,
		Scalar *	data )

Given an index space and a data pointer create an unmanaged view over the extent of that index space.

Returns

Unmanaged Kokkos::View

Rank-1 specialization.

createView() [2/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar **, Params..., Kokkos::MemoryUnmanaged > Cabana::Grid::createView	(	const IndexSpace< 2 > &	index_space,
		Scalar *	data )

Given an index space and a data pointer create an unmanaged view over the extent of that index space.

Returns

Unmanaged Kokkos::View

Rank-2 specialization.

createView() [3/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar ***, Params..., Kokkos::MemoryUnmanaged > Cabana::Grid::createView	(	const IndexSpace< 3 > &	index_space,
		Scalar *	data )

Given an index space and a data pointer create an unmanaged view over the extent of that index space.

Returns

Unmanaged Kokkos::View

Rank-3 specialization.

createView() [4/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar ****, Params..., Kokkos::MemoryUnmanaged > Cabana::Grid::createView	(	const IndexSpace< 4 > &	index_space,
		Scalar *	data )

Given an index space and a data pointer create an unmanaged view over the extent of that index space.

Returns

Unmanaged Kokkos::View

Rank-4 specialization.

createView() [5/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar *, Params... > Cabana::Grid::createView	(	const std::string &	label,
		const IndexSpace< 1 > &	index_space )

Given an index space create a view over the extent of that index space.

Returns

Uninitialized Kokkos::View

Rank-1 specialization.

createView() [6/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar **, Params... > Cabana::Grid::createView	(	const std::string &	label,
		const IndexSpace< 2 > &	index_space )

Given an index space create a view over the extent of that index space.

Returns

Uninitialized Kokkos::View

Rank-2 specialization.

createView() [7/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar ***, Params... > Cabana::Grid::createView	(	const std::string &	label,
		const IndexSpace< 3 > &	index_space )

Given an index space create a view over the extent of that index space.

Returns

Uninitialized Kokkos::View

Rank-3 specialization.

createView() [8/8]

template<class Scalar, class... Params>

Kokkos::View< Scalar ****, Params... > Cabana::Grid::createView	(	const std::string &	label,
		const IndexSpace< 4 > &	index_space )

Given an index space create a view over the extent of that index space.

Returns

Uninitialized Kokkos::View

Rank-4 specialization.