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KokkosExp_View.hpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// the U.S. Government retains certain rights in this software.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// 1. Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// 2. Redistributions in binary form must reproduce the above copyright
// notice, this list of conditions and the following disclaimer in the
// documentation and/or other materials provided with the distribution.
//
// 3. Neither the name of the Corporation nor the names of the
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY SANDIA CORPORATION "AS IS" AND ANY
// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL SANDIA CORPORATION OR THE
// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//
// Questions? Contact H. Carter Edwards (hcedwar@sandia.gov)
//
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*/
#ifndef KOKKOS_EXPERIMENTAL_VIEW_HPP
#define KOKKOS_EXPERIMENTAL_VIEW_HPP
#include <string>
#include <type_traits>
#include <initializer_list>
#include <Kokkos_Core_fwd.hpp>
#include <Kokkos_HostSpace.hpp>
#include <Kokkos_MemoryTraits.hpp>
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
namespace Impl {
template< class > struct ViewDataAnalysis ;
template< class , class = void , typename Enable = void >
class ViewMapping { enum { is_assignable = false }; };
template< class DstMemorySpace , class SrcMemorySpace >
struct DeepCopy ;
} /* namespace Impl */
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
/** \class ViewTraits
* \brief Traits class for accessing attributes of a View.
*
* This is an implementation detail of View. It is only of interest
* to developers implementing a new specialization of View.
*
* Template argument permutations:
* - View< DataType , void , void , void >
* - View< DataType , Space , void , void >
* - View< DataType , Space , MemoryTraits , void >
* - View< DataType , Space , void , MemoryTraits >
* - View< DataType , ArrayLayout , void , void >
* - View< DataType , ArrayLayout , Space , void >
* - View< DataType , ArrayLayout , MemoryTraits , void >
* - View< DataType , ArrayLayout , Space , MemoryTraits >
* - View< DataType , MemoryTraits , void , void >
*/
template< class DataType ,
class Arg1 = void ,
class Arg2 = void ,
class Arg3 = void >
class ViewTraits {
private:
// Layout, Space, and MemoryTraits are optional
// but need to appear in that order. That means Layout
// can only be Arg1, Space can be Arg1 or Arg2, and
// MemoryTraits can be Arg1, Arg2 or Arg3
enum { Arg1IsLayout = Kokkos::Impl::is_array_layout<Arg1>::value };
enum { Arg1IsSpace = Kokkos::Impl::is_space<Arg1>::value };
enum { Arg2IsSpace = Kokkos::Impl::is_space<Arg2>::value };
enum { Arg1IsMemoryTraits = Kokkos::Impl::is_memory_traits<Arg1>::value };
enum { Arg2IsMemoryTraits = Kokkos::Impl::is_memory_traits<Arg2>::value };
enum { Arg3IsMemoryTraits = Kokkos::Impl::is_memory_traits<Arg3>::value };
enum { Arg1IsVoid = std::is_same< Arg1 , void >::value };
enum { Arg2IsVoid = std::is_same< Arg2 , void >::value };
enum { Arg3IsVoid = std::is_same< Arg3 , void >::value };
static_assert( 1 == Arg1IsLayout + Arg1IsSpace + Arg1IsMemoryTraits + Arg1IsVoid
, "Template argument #1 must be layout, space, traits, or void" );
// If Arg1 is Layout then Arg2 is Space, MemoryTraits, or void
// If Arg1 is Space then Arg2 is MemoryTraits or void
// If Arg1 is MemoryTraits then Arg2 is void
// If Arg1 is Void then Arg2 is void
static_assert( ( Arg1IsLayout && ( 1 == Arg2IsSpace + Arg2IsMemoryTraits + Arg2IsVoid ) ) ||
( Arg1IsSpace && ( 0 == Arg2IsSpace ) && ( 1 == Arg2IsMemoryTraits + Arg2IsVoid ) ) ||
( Arg1IsMemoryTraits && Arg2IsVoid ) ||
( Arg1IsVoid && Arg2IsVoid )
, "Template argument #2 must be space, traits, or void" );
// Arg3 is MemoryTraits or void and at most one argument is MemoryTraits
static_assert( ( 1 == Arg3IsMemoryTraits + Arg3IsVoid ) &&
( Arg1IsMemoryTraits + Arg2IsMemoryTraits + Arg3IsMemoryTraits <= 1 )
, "Template argument #3 must be traits or void" );
typedef
typename std::conditional< Arg1IsSpace , Arg1 ,
typename std::conditional< Arg2IsSpace , Arg2 , Kokkos::DefaultExecutionSpace
>::type >::type::execution_space
ExecutionSpace ;
typedef
typename std::conditional< Arg1IsSpace , Arg1 ,
typename std::conditional< Arg2IsSpace , Arg2 , Kokkos::DefaultExecutionSpace
>::type >::type::memory_space
MemorySpace ;
typedef
typename Kokkos::Impl::is_space<
typename std::conditional< Arg1IsSpace , Arg1 ,
typename std::conditional< Arg2IsSpace , Arg2 , Kokkos::DefaultExecutionSpace
>::type >::type >::host_mirror_space
HostMirrorSpace ;
typedef
typename std::conditional< Arg1IsLayout , Arg1 , typename ExecutionSpace::array_layout >::type
ArrayLayout ;
// Arg1, Arg2, or Arg3 may be memory traits
typedef
typename std::conditional< Arg1IsMemoryTraits , Arg1 ,
typename std::conditional< Arg2IsMemoryTraits , Arg2 ,
typename std::conditional< Arg3IsMemoryTraits , Arg3 , MemoryManaged
>::type >::type >::type
MemoryTraits ;
typedef Kokkos::Experimental::Impl::ViewDataAnalysis< DataType > analysis ;
public:
//------------------------------------
// Data type traits:
typedef typename analysis::type data_type ;
typedef typename analysis::const_type const_data_type ;
typedef typename analysis::non_const_type non_const_data_type ;
//------------------------------------
// Compatible array of trivial type traits:
typedef typename analysis::array_scalar_type array_scalar_type ;
typedef typename analysis::const_array_scalar_type const_array_scalar_type ;
typedef typename analysis::non_const_array_scalar_type non_const_array_scalar_type ;
//------------------------------------
// Value type traits:
typedef typename analysis::value_type value_type ;
typedef typename analysis::const_value_type const_value_type ;
typedef typename analysis::non_const_value_type non_const_value_type ;
//------------------------------------
// Mapping traits:
typedef ArrayLayout array_layout ;
typedef typename analysis::dimension dimension ;
typedef typename analysis::specialize specialize /* mapping specialization tag */ ;
enum { rank = dimension::rank };
enum { rank_dynamic = dimension::rank_dynamic };
//------------------------------------
// Execution space, memory space, memory access traits, and host mirror space.
typedef ExecutionSpace execution_space ;
typedef MemorySpace memory_space ;
typedef Device<ExecutionSpace,MemorySpace> device_type ;
typedef MemoryTraits memory_traits ;
typedef HostMirrorSpace host_mirror_space ;
typedef typename memory_space::size_type size_type ;
enum { is_hostspace = std::is_same< memory_space , HostSpace >::value };
enum { is_managed = memory_traits::Unmanaged == 0 };
enum { is_random_access = memory_traits::RandomAccess == 1 };
//------------------------------------
};
/** \class View
* \brief View to an array of data.
*
* A View represents an array of one or more dimensions.
* For details, please refer to Kokkos' tutorial materials.
*
* \section Kokkos_View_TemplateParameters Template parameters
*
* This class has both required and optional template parameters. The
* \c DataType parameter must always be provided, and must always be
* first. The parameters \c Arg1Type, \c Arg2Type, and \c Arg3Type are
* placeholders for different template parameters. The default value
* of the fifth template parameter \c Specialize suffices for most use
* cases. When explaining the template parameters, we won't refer to
* \c Arg1Type, \c Arg2Type, and \c Arg3Type; instead, we will refer
* to the valid categories of template parameters, in whatever order
* they may occur.
*
* Valid ways in which template arguments may be specified:
* - View< DataType , Space >
* - View< DataType , Space , MemoryTraits >
* - View< DataType , Space , void , MemoryTraits >
* - View< DataType , Layout , Space >
* - View< DataType , Layout , Space , MemoryTraits >
*
* \tparam DataType (required) This indicates both the type of each
* entry of the array, and the combination of compile-time and
* run-time array dimension(s). For example, <tt>double*</tt>
* indicates a one-dimensional array of \c double with run-time
* dimension, and <tt>int*[3]</tt> a two-dimensional array of \c int
* with run-time first dimension and compile-time second dimension
* (of 3). In general, the run-time dimensions (if any) must go
* first, followed by zero or more compile-time dimensions. For
* more examples, please refer to the tutorial materials.
*
* \tparam Space (required) The memory space.
*
* \tparam Layout (optional) The array's layout in memory. For
* example, LayoutLeft indicates a column-major (Fortran style)
* layout, and LayoutRight a row-major (C style) layout. If not
* specified, this defaults to the preferred layout for the
* <tt>Space</tt>.
*
* \tparam MemoryTraits (optional) Assertion of the user's intended
* access behavior. For example, RandomAccess indicates read-only
* access with limited spatial locality, and Unmanaged lets users
* wrap externally allocated memory in a View without automatic
* deallocation.
*
* \section Kokkos_View_MT MemoryTraits discussion
*
* \subsection Kokkos_View_MT_Interp MemoryTraits interpretation depends on Space
*
* Some \c MemoryTraits options may have different interpretations for
* different \c Space types. For example, with the Cuda device,
* \c RandomAccess tells Kokkos to fetch the data through the texture
* cache, whereas the non-GPU devices have no such hardware construct.
*
* \subsection Kokkos_View_MT_PrefUse Preferred use of MemoryTraits
*
* Users should defer applying the optional \c MemoryTraits parameter
* until the point at which they actually plan to rely on it in a
* computational kernel. This minimizes the number of template
* parameters exposed in their code, which reduces the cost of
* compilation. Users may always assign a View without specified
* \c MemoryTraits to a compatible View with that specification.
* For example:
* \code
* // Pass in the simplest types of View possible.
* void
* doSomething (View<double*, Cuda> out,
* View<const double*, Cuda> in)
* {
* // Assign the "generic" View in to a RandomAccess View in_rr.
* // Note that RandomAccess View objects must have const data.
* View<const double*, Cuda, RandomAccess> in_rr = in;
* // ... do something with in_rr and out ...
* }
* \endcode
*/
template< class DataType
, class Arg1 = void /* ArrayLayout, SpaceType, or MemoryTraits */
, class Arg2 = void /* SpaceType or MemoryTraits */
, class Arg3 = void /* MemoryTraits */ >
class View ;
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
#include <impl/KokkosExp_ViewMapping.hpp>
#include <impl/KokkosExp_ViewAllocProp.hpp>
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
namespace {
constexpr Kokkos::Experimental::Impl::ALL_t
ALL = Kokkos::Experimental::Impl::ALL_t();
constexpr Kokkos::Experimental::Impl::WithoutInitializing_t
WithoutInitializing = Kokkos::Experimental::Impl::WithoutInitializing_t();
constexpr Kokkos::Experimental::Impl::AllowPadding_t
AllowPadding = Kokkos::Experimental::Impl::AllowPadding_t();
}
/** \brief Create View allocation parameter bundle from argument list.
*
* Valid argument list members are:
* 1) label as a "string" or std::string
* 2) memory space instance of the View::memory_space type
* 3) execution space instance compatible with the View::memory_space
* 4) Kokkos::WithoutInitializing to bypass initialization
* 4) Kokkos::AllowPadding to allow allocation to pad dimensions for memory alignment
*/
template< class ... Args >
inline
Kokkos::Experimental::Impl::ViewAllocProp< Args ... >
view_alloc( Args ... args )
{
return Kokkos::Experimental::Impl::ViewAllocProp< Args ... >( args ... );
}
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
/**\brief Each R? template argument designates whether the subview argument is a range */
template< class V
, bool R0 = false , bool R1 = false , bool R2 = false , bool R3 = false
, bool R4 = false , bool R5 = false , bool R6 = false , bool R7 = false >
using Subview = typename Kokkos::Experimental::Impl::SubviewType< V, R0 , R1 , R2 , R3 , R4 , R5 , R6 , R7 >::type ;
template< class DataType , class Arg1 , class Arg2 , class Arg3 >
class View : public ViewTraits< DataType , Arg1 , Arg2 , Arg3 > {
private:
template< class , class , class , class > friend class View ;
typedef ViewTraits< DataType , Arg1 , Arg2 , Arg3 > traits ;
typedef Kokkos::Experimental::Impl::ViewMapping< traits > map_type ;
typedef Kokkos::Experimental::Impl::SharedAllocationTracker track_type ;
track_type m_track ;
map_type m_map ;
public:
//----------------------------------------
/** \brief Compatible view of array of scalar types */
typedef View< typename traits::array_scalar_type ,
typename traits::array_layout ,
typename traits::device_type ,
typename traits::memory_traits >
array_type ;
/** \brief Compatible view of const data type */
typedef View< typename traits::const_data_type ,
typename traits::array_layout ,
typename traits::device_type ,
typename traits::memory_traits >
const_type ;
/** \brief Compatible view of non-const data type */
typedef View< typename traits::non_const_data_type ,
typename traits::array_layout ,
typename traits::device_type ,
typename traits::memory_traits >
non_const_type ;
/** \brief Compatible HostMirror view */
typedef View< typename traits::non_const_data_type ,
typename traits::array_layout ,
typename traits::host_mirror_space ,
void >
HostMirror ;
//----------------------------------------
// Domain dimensions
enum { Rank = map_type::Rank };
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_0() const { return m_map.dimension_0(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_1() const { return m_map.dimension_1(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_2() const { return m_map.dimension_2(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_3() const { return m_map.dimension_3(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_4() const { return m_map.dimension_4(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_5() const { return m_map.dimension_5(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_6() const { return m_map.dimension_6(); }
KOKKOS_INLINE_FUNCTION constexpr size_t dimension_7() const { return m_map.dimension_7(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_0() const { return m_map.stride_0(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_1() const { return m_map.stride_1(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_2() const { return m_map.stride_2(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_3() const { return m_map.stride_3(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_4() const { return m_map.stride_4(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_5() const { return m_map.stride_5(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_6() const { return m_map.stride_6(); }
KOKKOS_INLINE_FUNCTION constexpr size_t stride_7() const { return m_map.stride_7(); }
//----------------------------------------
// Range span
typedef typename map_type::reference_type reference_type ;
enum { reference_type_is_lvalue_reference = std::is_lvalue_reference< reference_type >::value };
KOKKOS_INLINE_FUNCTION constexpr size_t span() const { return m_map.span(); }
KOKKOS_INLINE_FUNCTION constexpr bool span_is_contiguous() const { return m_map.span_is_contiguous(); }
KOKKOS_INLINE_FUNCTION constexpr typename traits::value_type * data() const { return m_map.data(); }
// Deprecated, use 'span_is_contigous()' instead
KOKKOS_INLINE_FUNCTION constexpr bool is_contiguous() const { return m_map.span_is_contiguous(); }
// Deprecated, use 'data()' instead
KOKKOS_INLINE_FUNCTION constexpr typename traits::value_type * ptr_on_device() const { return m_map.data(); }
//----------------------------------------
private:
typedef typename
std::conditional< Rank == 0 , reference_type
, Kokkos::Experimental::Impl::Error_view_scalar_reference_to_non_scalar_view >::type
scalar_operator_reference_type ;
typedef typename
std::conditional< Rank == 0 , const int
, Kokkos::Experimental::Impl::Error_view_scalar_reference_to_non_scalar_view >::type
scalar_operator_index_type ;
public:
// Rank == 0
KOKKOS_FORCEINLINE_FUNCTION
scalar_operator_reference_type operator()() const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, 0, 0, 0, 0, 0, 0, 0, 0 );
return scalar_operator_reference_type( m_map.reference() );
}
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( scalar_operator_index_type i0
, const int i1 = 0 , const int i2 = 0 , const int i3 = 0
, const int i4 = 0 , const int i5 = 0 , const int i6 = 0 , const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference();
}
// Rank == 1
template< typename I0 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 1 && std::is_integral<I0>::value
), reference_type >::type
operator[]( const I0 & i0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, 0, 0, 0, 0, 0, 0, 0 );
return m_map.reference(i0);
}
template< typename I0 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 1 && std::is_integral<I0>::value
), reference_type >::type
operator()( const I0 & i0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, 0, 0, 0, 0, 0, 0, 0 );
return m_map.reference(i0);
}
template< typename I0 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0
, typename std::enable_if<( Rank == 1 && std::is_integral<I0>::value ), const int >::type i1
, const int i2 = 0 , const int i3 = 0
, const int i4 = 0 , const int i5 = 0 , const int i6 = 0 , const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0);
}
// Rank == 2
template< typename I0 , typename I1 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 2 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, 0, 0, 0, 0, 0, 0 );
return m_map.reference(i0,i1);
}
template< typename I0 , typename I1 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0 , const I1 & i1
, typename std::enable_if<( Rank == 2 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value
), const int >::type i2
, const int i3 = 0
, const int i4 = 0 , const int i5 = 0 , const int i6 = 0 , const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1);
}
// Rank == 3
template< typename I0 , typename I1 , typename I2 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 3 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, 0, 0, 0, 0, 0 );
return m_map.reference(i0,i1,i2);
}
template< typename I0 , typename I1 , typename I2 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2
, typename std::enable_if<( Rank == 3 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value
), const int >::type i3
, const int i4 = 0 , const int i5 = 0 , const int i6 = 0 , const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1,i2);
}
// Rank == 4
template< typename I0 , typename I1 , typename I2 , typename I3 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 4 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, 0, 0, 0, 0 );
return m_map.reference(i0,i1,i2,i3);
}
template< typename I0 , typename I1 , typename I2 , typename I3 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, typename std::enable_if<( Rank == 4 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value
), const int >::type i4
, const int i5 = 0 , const int i6 = 0 , const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1,i2,i3);
}
// Rank == 5
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 5 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, 0, 0, 0 );
return m_map.reference(i0,i1,i2,i3,i4);
}
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4
, typename std::enable_if<( Rank == 5 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value
), const int >::type i5
, const int i6 = 0 , const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1,i2,i3,i4);
}
// Rank == 6
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 , typename I5 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 6 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value &&
std::is_integral<I5>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4 , const I5 & i5 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, 0, 0 );
return m_map.reference(i0,i1,i2,i3,i4,i5);
}
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 , typename I5 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4 , const I5 & i5
, typename std::enable_if<( Rank == 6 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value
), const int >::type i6
, const int i7 = 0 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1,i2,i3,i4,i5);
}
// Rank == 7
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 , typename I5 , typename I6 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 7 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value &&
std::is_integral<I5>::value &&
std::is_integral<I6>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4 , const I5 & i5 , const I6 & i6 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, 0 );
return m_map.reference(i0,i1,i2,i3,i4,i5,i6);
}
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 , typename I5 , typename I6 >
KOKKOS_FORCEINLINE_FUNCTION
reference_type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4 , const I5 & i5 , const I6 & i6
, typename std::enable_if<( Rank == 7 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value
), const int >::type i7
) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1,i2,i3,i4,i5,i6);
}
// Rank == 8
template< typename I0 , typename I1 , typename I2 , typename I3
, typename I4 , typename I5 , typename I6 , typename I7 >
KOKKOS_FORCEINLINE_FUNCTION
typename std::enable_if<( Rank == 8 &&
std::is_integral<I0>::value &&
std::is_integral<I1>::value &&
std::is_integral<I2>::value &&
std::is_integral<I3>::value &&
std::is_integral<I4>::value &&
std::is_integral<I5>::value &&
std::is_integral<I6>::value &&
std::is_integral<I7>::value
), reference_type >::type
operator()( const I0 & i0 , const I1 & i1 , const I2 & i2 , const I3 & i3
, const I4 & i4 , const I5 & i5 , const I6 & i6 , const I7 & i7 ) const
{
KOKKOS_ASSERT_VIEW_MAPPING_ACCESS( typename traits::memory_space, m_map, Rank, i0, i1, i2, i3, i4, i5, i6, i7 );
return m_map.reference(i0,i1,i2,i3,i4,i5,i6,i7);
}
//----------------------------------------
KOKKOS_INLINE_FUNCTION
~View() {}
KOKKOS_INLINE_FUNCTION
View() : m_track(), m_map() {}
KOKKOS_INLINE_FUNCTION
View( const View & rhs ) : m_track( rhs.m_track ), m_map( rhs.m_map ) {}
KOKKOS_INLINE_FUNCTION
View( View && rhs ) : m_track( rhs.m_track ), m_map( rhs.m_map ) {}
KOKKOS_INLINE_FUNCTION
View & operator = ( const View & rhs ) { m_track = rhs.m_track ; m_map = rhs.m_map ; return *this ; }
KOKKOS_INLINE_FUNCTION
View & operator = ( View && rhs ) { m_track = rhs.m_track ; m_map = rhs.m_map ; return *this ; }
//----------------------------------------
template< class RT , class R1 , class R2 , class R3 >
KOKKOS_INLINE_FUNCTION
View( const View<RT,R1,R2,R3> & rhs )
: m_track( rhs.m_track )
, m_map()
{
typedef typename View<RT,R1,R2,R3>::traits SrcTraits ;
typedef Kokkos::Experimental::Impl::ViewMapping< traits , SrcTraits > Mapping ;
static_assert( Mapping::is_assignable , "Incompatible View copy construction" );
Mapping::assign( m_map , rhs.m_map , rhs.m_track );
}
template< class RT , class R1 , class R2 , class R3 >
KOKKOS_INLINE_FUNCTION
View( View<RT,R1,R2,R3> && rhs )
: m_track( rhs.m_track )
, m_map()
{
typedef typename View<RT,R1,R2,R3>::traits SrcTraits ;
typedef Kokkos::Experimental::Impl::ViewMapping< traits , SrcTraits > Mapping ;
static_assert( Mapping::is_assignable , "Incompatible View move construction" );
Mapping::assign( m_map , rhs.m_map , rhs.m_track );
}
template< class RT , class R1 , class R2 , class R3 >
KOKKOS_INLINE_FUNCTION
View & operator = ( const View<RT,R1,R2,R3> & rhs )
{
typedef typename View<RT,R1,R2,R3>::traits SrcTraits ;
typedef Kokkos::Experimental::Impl::ViewMapping< traits , SrcTraits > Mapping ;
static_assert( Mapping::is_assignable , "Incompatible View copy assignment" );
Mapping::assign( m_map , rhs.m_map , rhs.m_track );
m_track.operator=( rhs.m_track );
return *this ;
}
template< class RT , class R1 , class R2 , class R3 >
KOKKOS_INLINE_FUNCTION
View & operator = ( View<RT,R1,R2,R3> && rhs )
{
typedef typename View<RT,R1,R2,R3>::traits SrcTraits ;
typedef Kokkos::Experimental::Impl::ViewMapping< traits , SrcTraits > Mapping ;
static_assert( Mapping::is_assignable , "Incompatible View move assignment" );
Mapping::assign( m_map , rhs.m_map , rhs.m_track );
m_track.operator=( rhs.m_track );
return *this ;
}
//----------------------------------------
// Allocation according to allocation properties
private:
// Must call destructor for non-trivial types
template< class ExecSpace >
struct DestroyFunctor {
map_type m_map ;
ExecSpace m_space ;
KOKKOS_INLINE_FUNCTION
void destroy_shared_allocation() { m_map.destroy( m_space ); }
};
public:
inline
const std::string label() const { return m_track.template get_label< typename traits::memory_space >(); }
template< class Prop >
explicit inline
View( const Prop & arg_prop
, const size_t arg_N0 = 0
, const size_t arg_N1 = 0
, const size_t arg_N2 = 0
, const size_t arg_N3 = 0
, const size_t arg_N4 = 0
, const size_t arg_N5 = 0
, const size_t arg_N6 = 0
, const size_t arg_N7 = 0
)
: m_track()
, m_map()
{
// Merge the < execution_space , memory_space > into the properties.
typedef Kokkos::Experimental::Impl::ViewAllocProp< typename traits::device_type , Prop > alloc_prop ;
typedef typename alloc_prop::execution_space execution_space ;
typedef typename traits::memory_space memory_space ;
typedef DestroyFunctor< execution_space > destroy_functor ;
typedef Kokkos::Experimental::Impl::SharedAllocationRecord< memory_space , destroy_functor > record_type ;
static_assert( traits::is_managed , "View allocation constructor requires managed memory" );
const alloc_prop prop( arg_prop );
// Query the mapping for byte-size of allocation.
const size_t alloc_size = map_type::memory_span( prop.allow_padding
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 );
// Allocate memory from the memory space.
record_type * const record = record_type::allocate( prop.memory , prop.label , alloc_size );
// Construct the mapping object prior to start of tracking
// to assign destroy functor and possibly initialize.
m_map = map_type( record->data()
, prop.allow_padding
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 );
// Copy the destroy functor into the allocation record before initiating tracking.
record->m_destroy.m_map = m_map ;
record->m_destroy.m_space = prop.execution ;
if ( prop.initialize.value ) {
m_map.construct( prop.execution );
}
// Destroy functor assigned and initialization complete, start tracking
m_track = track_type( record );
}
template< class Prop >
explicit inline
View( const Prop & arg_prop
, const typename traits::array_layout & arg_layout
)
: m_track()
, m_map()
{
// Merge the < execution_space , memory_space > into the properties.
typedef Kokkos::Experimental::Impl::ViewAllocProp< typename traits::device_type , Prop > alloc_prop ;
typedef typename alloc_prop::execution_space execution_space ;
typedef typename traits::memory_space memory_space ;
typedef DestroyFunctor< execution_space > destroy_functor ;
typedef Kokkos::Experimental::Impl::SharedAllocationRecord< memory_space , destroy_functor > record_type ;
static_assert( traits::is_managed , "View allocation constructor requires managed memory" );
const alloc_prop prop( arg_prop );
// Query the mapping for byte-size of allocation.
const size_t alloc_size = map_type::memory_span( prop.allow_padding , arg_layout );
// Allocate memory from the memory space.
record_type * const record = record_type::allocate( prop.memory , prop.label , alloc_size );
// Construct the mapping object prior to start of tracking
// to assign destroy functor and possibly initialize.
m_map = map_type( record->data() , prop.allow_padding , arg_layout );
// Copy the destroy functor into the allocation record before initiating tracking.
record->m_destroy.m_map = m_map ;
record->m_destroy.m_space = prop.execution ;
if ( prop.initialize.value ) {
m_map.construct( prop.execution );
}
// Destroy functor assigned and initialization complete, start tracking
m_track = track_type( record );
}
//----------------------------------------
// Memory span required to wrap these dimensions.
static constexpr size_t memory_span( const size_t arg_N0 = 0
, const size_t arg_N1 = 0
, const size_t arg_N2 = 0
, const size_t arg_N3 = 0
, const size_t arg_N4 = 0
, const size_t arg_N5 = 0
, const size_t arg_N6 = 0
, const size_t arg_N7 = 0
)
{
return map_type::memory_span( std::integral_constant<bool,false>()
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 );
}
explicit inline
View( typename traits::value_type * const arg_ptr
, const size_t arg_N0 = 0
, const size_t arg_N1 = 0
, const size_t arg_N2 = 0
, const size_t arg_N3 = 0
, const size_t arg_N4 = 0
, const size_t arg_N5 = 0
, const size_t arg_N6 = 0
, const size_t arg_N7 = 0
)
: m_track() // No memory tracking
, m_map( arg_ptr , std::integral_constant<bool,false>()
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 )
{}
explicit inline
View( typename traits::value_type * const arg_ptr
, typename traits::array_layout & arg_layout
)
: m_track() // No memory tracking
, m_map( arg_ptr , std::integral_constant<bool,false>(), arg_layout )
{}
//----------------------------------------
// Shared scratch memory constructor
static inline
size_t shmem_size( const size_t arg_N0 = 0 ,
const size_t arg_N1 = 0 ,
const size_t arg_N2 = 0 ,
const size_t arg_N3 = 0 ,
const size_t arg_N4 = 0 ,
const size_t arg_N5 = 0 ,
const size_t arg_N6 = 0 ,
const size_t arg_N7 = 0 )
{
return map_type::memory_span( std::integral_constant<bool,false>()
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 );
}
explicit KOKKOS_INLINE_FUNCTION
View( const typename traits::execution_space::scratch_memory_space & arg_space
, const size_t arg_N0 = 0
, const size_t arg_N1 = 0
, const size_t arg_N2 = 0
, const size_t arg_N3 = 0
, const size_t arg_N4 = 0
, const size_t arg_N5 = 0
, const size_t arg_N6 = 0
, const size_t arg_N7 = 0 )
: m_track() // No memory tracking
, m_map( arg_space.get_shmem( map_type::memory_span( std::integral_constant<bool,false>()
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 ) )
, std::integral_constant<bool,false>()
, arg_N0 , arg_N1 , arg_N2 , arg_N3
, arg_N4 , arg_N5 , arg_N6 , arg_N7 )
{}
//----------------------------------------
// Subviews
private:
explicit KOKKOS_INLINE_FUNCTION
View( const track_type & rhs )
: m_track( rhs )
, m_map()
{}
public:
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 , class T2 , class T3
, class T4 , class T5 , class T6 , class T7 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T6>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T7>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4 , T5 const & arg5 , T6 const & arg6 , T7 const & arg7
);
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 , class T2 , class T3
, class T4 , class T5 , class T6 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T6>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4 , T5 const & arg5 , T6 const & arg6
);
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 , class T2 , class T3
, class T4 , class T5 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4 , T5 const & arg5
);
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 , class T2 , class T3
, class T4 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4
);
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 , class T2 , class T3 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
);
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 , class T2 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2
);
template< class D , class A1 , class A2 , class A3
, class T0 , class T1 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D , A1 , A2 , A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
>
subview( const View< D , A1 , A2 , A3 > & src
, T0 const & arg0 , T1 const & arg1
);
template< class D, class A1, class A2, class A3, class T0 >
friend
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
>
subview( const View< D, A1, A2, A3 > & src , T0 const & arg0 );
};
template< class > struct is_view : public std::false_type {};
template< class D, class A1, class A2, class A3 >
struct is_view< View<D,A1,A2,A3> > : public std::true_type {};
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
template< class D, class A1, class A2, class A3
, class T0 , class T1 , class T2 , class T3
, class T4 , class T5 , class T6 , class T7 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T6>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T7>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4 , T5 const & arg5 , T6 const & arg6 , T7 const & arg7
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T6>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T7>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 8 , "Subview of rank 8 View requires 8 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, arg2, arg3, arg4, arg5, arg6, arg7 );
return dst ;
}
template< class D, class A1, class A2, class A3
, class T0 , class T1 , class T2 , class T3
, class T4 , class T5 , class T6 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T6>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4 , T5 const & arg5 , T6 const & arg6
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T6>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 7 , "Subview of rank 7 View requires 7 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, arg2, arg3, arg4, arg5, arg6, 0 );
return dst ;
}
template< class D, class A1, class A2, class A3
, class T0 , class T1 , class T2 , class T3
, class T4 , class T5 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4 , T5 const & arg5
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T5>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 6 , "Subview of rank 6 View requires 6 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, arg2, arg3, arg4, arg5, 0, 0 );
return dst ;
}
template< class D, class A1, class A2, class A3
, class T0 , class T1 , class T2 , class T3
, class T4 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
, T4 const & arg4
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T4>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 5 , "Subview of rank 5 View requires 5 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, arg2, arg3, arg4, 0, 0, 0 );
return dst ;
}
template< class D, class A1, class A2, class A3
, class T0 , class T1 , class T2 , class T3 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2 , T3 const & arg3
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T3>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 4 , "Subview of rank 4 View requires 4 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, arg2, arg3, 0, 0, 0, 0 );
return dst ;
}
template< class D, class A1, class A2, class A3
, class T0 , class T1 , class T2 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1 , T2 const & arg2
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T2>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 3 , "Subview of rank 3 View requires 3 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, arg2, 0, 0, 0, 0, 0 );
return dst ;
}
template< class D, class A1, class A2, class A3
, class T0 , class T1 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
>
subview( const View< D, A1, A2, A3 > & src
, T0 const & arg0 , T1 const & arg1
)
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
, Kokkos::Experimental::Impl::ViewOffsetRange<T1>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 2 , "Subview of rank 2 View requires 2 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map, src.m_map, arg0, arg1, 0, 0, 0, 0, 0, 0 );
return dst ;
}
template< class D, class A1, class A2, class A3, class T0 >
KOKKOS_INLINE_FUNCTION
Kokkos::Experimental::Subview< View< D, A1, A2, A3 >
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
>
subview( const View< D, A1, A2, A3 > & src , T0 const & arg0 )
{
typedef View< D, A1, A2, A3 > SrcView ;
typedef Kokkos::Experimental::Impl::SubviewMapping
< typename SrcView::traits
, Kokkos::Experimental::Impl::ViewOffsetRange<T0>::is_range
> Mapping ;
typedef typename Mapping::type DstView ;
static_assert( SrcView::Rank == 1 , "Subview of rank 1 View requires 1 arguments" );
DstView dst( src.m_track );
Mapping::assign( dst.m_map , src.m_map , arg0, 0, 0, 0, 0, 0, 0, 0 );
return dst ;
}
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
template< class LT , class L1 , class L2 , class L3
, class RT , class R1 , class R2 , class R3 >
KOKKOS_INLINE_FUNCTION
bool operator == ( const View<LT,L1,L2,L3> & lhs ,
const View<RT,R1,R2,R3> & rhs )
{
// Same data, layout, dimensions
typedef ViewTraits<LT,L1,L2,L3> lhs_traits ;
typedef ViewTraits<RT,R1,R2,R3> rhs_traits ;
return
std::is_same< typename lhs_traits::const_value_type ,
typename rhs_traits::const_value_type >::value &&
std::is_same< typename lhs_traits::array_layout ,
typename rhs_traits::array_layout >::value &&
std::is_same< typename lhs_traits::memory_space ,
typename rhs_traits::memory_space >::value &&
lhs_traits::Rank == rhs_traits::Rank &&
lhs.data() == rhs.data() &&
lhs.span() == rhs.span() &&
lhs.dimension_0() == rhs.dimension_0() &&
lhs.dimension_1() == rhs.dimension_1() &&
lhs.dimension_2() == rhs.dimension_2() &&
lhs.dimension_3() == rhs.dimension_3() &&
lhs.dimension_4() == rhs.dimension_4() &&
lhs.dimension_5() == rhs.dimension_5() &&
lhs.dimension_6() == rhs.dimension_6() &&
lhs.dimension_7() == rhs.dimension_7();
}
template< class LT , class L1 , class L2 , class L3
, class RT , class R1 , class R2 , class R3 >
KOKKOS_INLINE_FUNCTION
bool operator != ( const View<LT,L1,L2,L3> & lhs ,
const View<RT,R1,R2,R3> & rhs )
{
return ! ( operator==(lhs,rhs) );
}
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
namespace Impl {
template< class OutputView , typename Enable = void >
struct ViewFill {
typedef typename OutputView::const_value_type const_value_type ;
const OutputView output ;
const_value_type input ;
KOKKOS_INLINE_FUNCTION
void operator()( const size_t i0 ) const
{
const size_t n1 = output.dimension_1();
const size_t n2 = output.dimension_2();
const size_t n3 = output.dimension_3();
const size_t n4 = output.dimension_4();
const size_t n5 = output.dimension_5();
const size_t n6 = output.dimension_6();
const size_t n7 = output.dimension_7();
for ( size_t i1 = 0 ; i1 < n1 ; ++i1 ) {
for ( size_t i2 = 0 ; i2 < n2 ; ++i2 ) {
for ( size_t i3 = 0 ; i3 < n3 ; ++i3 ) {
for ( size_t i4 = 0 ; i4 < n4 ; ++i4 ) {
for ( size_t i5 = 0 ; i5 < n5 ; ++i5 ) {
for ( size_t i6 = 0 ; i6 < n6 ; ++i6 ) {
for ( size_t i7 = 0 ; i7 < n7 ; ++i7 ) {
output(i0,i1,i2,i3,i4,i5,i6,i7) = input ;
}}}}}}}
}
ViewFill( const OutputView & arg_out , const_value_type & arg_in )
: output( arg_out ), input( arg_in )
{
typedef typename OutputView::execution_space execution_space ;
typedef Kokkos::RangePolicy< execution_space > Policy ;
(void) Kokkos::Impl::ParallelFor< ViewFill , Policy >( *this , Policy( 0 , output.dimension_0() ) );
execution_space::fence();
}
};
template< class OutputView >
struct ViewFill< OutputView , typename std::enable_if< OutputView::Rank == 0 >::type > {
ViewFill( const OutputView & dst , const typename OutputView::const_value_type & src )
{
Kokkos::Impl::DeepCopy< typename OutputView::memory_space , Kokkos::HostSpace >
( dst.data() , & src , sizeof(typename OutputView::const_value_type) );
}
};
template< class OutputView , class InputView >
struct ViewRemap {
const OutputView output ;
const InputView input ;
const size_t n0 ;
const size_t n1 ;
const size_t n2 ;
const size_t n3 ;
const size_t n4 ;
const size_t n5 ;
const size_t n6 ;
const size_t n7 ;
ViewRemap( const OutputView & arg_out , const InputView & arg_in )
: output( arg_out ), input( arg_in )
, n0( std::min( (size_t)arg_out.dimension_0() , (size_t)arg_in.dimension_0() ) )
, n1( std::min( (size_t)arg_out.dimension_1() , (size_t)arg_in.dimension_1() ) )
, n2( std::min( (size_t)arg_out.dimension_2() , (size_t)arg_in.dimension_2() ) )
, n3( std::min( (size_t)arg_out.dimension_3() , (size_t)arg_in.dimension_3() ) )
, n4( std::min( (size_t)arg_out.dimension_4() , (size_t)arg_in.dimension_4() ) )
, n5( std::min( (size_t)arg_out.dimension_5() , (size_t)arg_in.dimension_5() ) )
, n6( std::min( (size_t)arg_out.dimension_6() , (size_t)arg_in.dimension_6() ) )
, n7( std::min( (size_t)arg_out.dimension_7() , (size_t)arg_in.dimension_7() ) )
{
typedef typename OutputView::execution_space execution_space ;
typedef Kokkos::RangePolicy< execution_space > Policy ;
(void) Kokkos::Impl::ParallelFor< ViewRemap , Policy >( *this , Policy( 0 , n0 ) );
}
KOKKOS_INLINE_FUNCTION
void operator()( const size_t i0 ) const
{
for ( size_t i1 = 0 ; i1 < n1 ; ++i1 ) {
for ( size_t i2 = 0 ; i2 < n2 ; ++i2 ) {
for ( size_t i3 = 0 ; i3 < n3 ; ++i3 ) {
for ( size_t i4 = 0 ; i4 < n4 ; ++i4 ) {
for ( size_t i5 = 0 ; i5 < n5 ; ++i5 ) {
for ( size_t i6 = 0 ; i6 < n6 ; ++i6 ) {
for ( size_t i7 = 0 ; i7 < n7 ; ++i7 ) {
output(i0,i1,i2,i3,i4,i5,i6,i7) = input(i0,i1,i2,i3,i4,i5,i6,i7);
}}}}}}}
}
};
} /* namespace Impl */
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
/** \brief Deep copy a value from Host memory into a view. */
template< class DT , class D1 , class D2 , class D3 >
inline
void deep_copy( const View<DT,D1,D2,D3> & dst
, typename ViewTraits<DT,D1,D2,D3>::const_value_type & value )
{
static_assert( std::is_same< typename ViewTraits<DT,D1,D2,D3>::non_const_value_type ,
typename ViewTraits<DT,D1,D2,D3>::value_type >::value
, "ERROR: Incompatible deep_copy( View , value )" );
Kokkos::Experimental::Impl::ViewFill< View<DT,D1,D2,D3> >( dst , value );
}
/** \brief Deep copy into a value in Host memory from a view. */
template< class ST , class S1 , class S2 , class S3 >
inline
void deep_copy( ST & dst , const View<ST,S1,S2,S3> & src )
{
static_assert( ViewTraits<ST,S1,S2,S3>::rank == 0
, "ERROR: Non-rank-zero view in deep_copy( value , View )" );
typedef ViewTraits<ST,S1,S2,S3> src_traits ;
typedef typename src_traits::memory_space src_memory_space ;
Kokkos::Impl::DeepCopy< HostSpace , src_memory_space >( & dst , src.data() , sizeof(ST) );
}
//----------------------------------------------------------------------------
/** \brief A deep copy between views of compatible type, and rank zero. */
template< class DT , class D1 , class D2 , class D3
, class ST , class S1 , class S2 , class S3 >
inline
void deep_copy( const View<DT,D1,D2,D3> & dst ,
const View<ST,S1,S2,S3> & src ,
typename std::enable_if<(
// Rank zero:
( unsigned(ViewTraits<DT,D1,D2,D3>::rank) == unsigned(0) ) &&
( unsigned(ViewTraits<ST,S1,S2,S3>::rank) == unsigned(0) ) &&
// Same type and destination is not constant:
std::is_same< typename ViewTraits<DT,D1,D2,D3>::value_type ,
typename ViewTraits<ST,S1,S2,S3>::non_const_value_type >::value
)>::type * = 0 )
{
typedef View<DT,D1,D2,D3> dst_type ;
typedef View<ST,S1,S2,S3> src_type ;
typedef typename dst_type::value_type value_type ;
typedef typename dst_type::memory_space dst_memory_space ;
typedef typename src_type::memory_space src_memory_space ;
if ( dst.data() != src.data() ) {
Kokkos::Impl::DeepCopy< dst_memory_space , src_memory_space >( dst.data() , src.data() , sizeof(value_type) );
}
}
//----------------------------------------------------------------------------
/** \brief A deep copy between views of the default specialization, compatible type,
* same non-zero rank, same contiguous layout.
*/
template< class DT , class D1 , class D2 , class D3 ,
class ST , class S1 , class S2 , class S3 >
inline
void deep_copy( const View<DT,D1,D2,D3> & dst ,
const View<ST,S1,S2,S3> & src ,
typename std::enable_if<(
// destination is non-const.
std::is_same< typename ViewTraits<DT,D1,D2,D3>::value_type ,
typename ViewTraits<DT,D1,D2,D3>::non_const_value_type >::value
&&
// Same non-zero rank:
( unsigned(ViewTraits<DT,D1,D2,D3>::rank) != 0 )
&&
( unsigned(ViewTraits<DT,D1,D2,D3>::rank) ==
unsigned(ViewTraits<ST,S1,S2,S3>::rank) )
&&
// Not specialized, default ViewMapping
std::is_same< typename ViewTraits<DT,D1,D2,D3>::specialize , void >::value
&&
std::is_same< typename ViewTraits<ST,S1,S2,S3>::specialize , void >::value
)>::type * = 0 )
{
typedef View<DT,D1,D2,D3> dst_type ;
typedef View<ST,S1,S2,S3> src_type ;
typedef typename dst_type::execution_space dst_execution_space ;
typedef typename dst_type::memory_space dst_memory_space ;
typedef typename src_type::memory_space src_memory_space ;
enum { DstExecCanAccessSrc =
Kokkos::Impl::VerifyExecutionCanAccessMemorySpace< typename dst_execution_space::memory_space , src_memory_space >::value };
if ( (void *) dst.data() != (void*) src.data() ) {
// Concern: If overlapping views then a parallel copy will be erroneous.
// ...
// If same type, equal layout, equal dimensions, equal span, and contiguous memory then can byte-wise copy
if ( std::is_same< typename ViewTraits<DT,D1,D2,D3>::value_type ,
typename ViewTraits<ST,S1,S2,S3>::non_const_value_type >::value &&
std::is_same< typename ViewTraits<DT,D1,D2,D3>::array_layout ,
typename ViewTraits<ST,S1,S2,S3>::array_layout >::value &&
dst.span_is_contiguous() &&
src.span_is_contiguous() &&
dst.span() == src.span() &&
dst.dimension_0() == src.dimension_0() &&
dst.dimension_1() == src.dimension_1() &&
dst.dimension_2() == src.dimension_2() &&
dst.dimension_3() == src.dimension_3() &&
dst.dimension_4() == src.dimension_4() &&
dst.dimension_5() == src.dimension_5() &&
dst.dimension_6() == src.dimension_6() &&
dst.dimension_7() == src.dimension_7() ) {
const size_t nbytes = sizeof(typename dst_type::value_type) * dst.span();
Kokkos::Impl::DeepCopy< dst_memory_space , src_memory_space >( dst.data() , src.data() , nbytes );
}
else if ( DstExecCanAccessSrc ) {
// Copying data between views in accessible memory spaces and either non-contiguous or incompatible shape.
Kokkos::Experimental::Impl::ViewRemap< dst_type , src_type >( dst , src );
}
else {
Kokkos::Impl::throw_runtime_exception("deep_copy given views that would require a temporary allocation");
}
}
}
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
template< class T , class A1, class A2, class A3 >
inline
typename Kokkos::Experimental::View<T,A1,A2,A3>::HostMirror
create_mirror( const Kokkos::Experimental::View<T,A1,A2,A3> & src
, typename std::enable_if<
! std::is_same< typename Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::array_layout
, Kokkos::LayoutStride >::value
>::type * = 0
)
{
typedef View<T,A1,A2,A3> src_type ;
typedef typename src_type::HostMirror dst_type ;
return dst_type( std::string( src.label() ).append("_mirror")
, src.dimension_0()
, src.dimension_1()
, src.dimension_2()
, src.dimension_3()
, src.dimension_4()
, src.dimension_5()
, src.dimension_6()
, src.dimension_7() );
}
template< class T , class A1, class A2, class A3 >
inline
typename Kokkos::Experimental::View<T,A1,A2,A3>::HostMirror
create_mirror( const Kokkos::Experimental::View<T,A1,A2,A3> & src
, typename std::enable_if<
std::is_same< typename Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::array_layout
, Kokkos::LayoutStride >::value
>::type * = 0
)
{
typedef View<T,A1,A2,A3> src_type ;
typedef typename src_type::HostMirror dst_type ;
Kokkos::LayoutStride layout ;
layout.dimension[0] = src.dimension_0();
layout.dimension[1] = src.dimension_1();
layout.dimension[2] = src.dimension_2();
layout.dimension[3] = src.dimension_3();
layout.dimension[4] = src.dimension_4();
layout.dimension[5] = src.dimension_5();
layout.dimension[6] = src.dimension_6();
layout.dimension[7] = src.dimension_7();
layout.stride[0] = src.stride_0();
layout.stride[1] = src.stride_1();
layout.stride[2] = src.stride_2();
layout.stride[3] = src.stride_3();
layout.stride[4] = src.stride_4();
layout.stride[5] = src.stride_5();
layout.stride[6] = src.stride_6();
layout.stride[7] = src.stride_7();
return dst_type( std::string( src.label() ).append("_mirror") , layout );
}
template< class T , class A1 , class A2 , class A3 >
inline
typename Kokkos::Experimental::View<T,A1,A2,A3>::HostMirror
create_mirror_view( const Kokkos::Experimental::View<T,A1,A2,A3> & src
, typename std::enable_if<(
std::is_same< typename Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::memory_space
, typename Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::host_mirror_space
>::value
)>::type * = 0
)
{
return src ;
}
template< class T , class A1 , class A2 , class A3 >
inline
typename Kokkos::Experimental::View<T,A1,A2,A3>::HostMirror
create_mirror_view( const Kokkos::Experimental::View<T,A1,A2,A3> & src
, typename std::enable_if<(
! std::is_same< typename Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::memory_space
, typename Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::host_mirror_space
>::value
)>::type * = 0
)
{
return Kokkos::Experimental::create_mirror( src );
}
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
namespace Kokkos {
namespace Experimental {
/** \brief Resize a view with copying old data to new data at the corresponding indices. */
template< class T , class A1 , class A2 , class A3 >
inline
void resize( Kokkos::Experimental::View<T,A1,A2,A3> & v ,
const size_t n0 = 0 ,
const size_t n1 = 0 ,
const size_t n2 = 0 ,
const size_t n3 = 0 ,
const size_t n4 = 0 ,
const size_t n5 = 0 ,
const size_t n6 = 0 ,
const size_t n7 = 0 )
{
typedef Kokkos::Experimental::View<T,A1,A2,A3> view_type ;
static_assert( Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::is_managed , "Can only resize managed views" );
view_type v_resized( v.label(), n0, n1, n2, n3, n4, n5, n6, n7 );
Kokkos::Experimental::Impl::ViewRemap< view_type , view_type >( v_resized , v );
v = v_resized ;
}
/** \brief Resize a view with copying old data to new data at the corresponding indices. */
template< class T , class A1 , class A2 , class A3 >
inline
void realloc( Kokkos::Experimental::View<T,A1,A2,A3> & v ,
const size_t n0 = 0 ,
const size_t n1 = 0 ,
const size_t n2 = 0 ,
const size_t n3 = 0 ,
const size_t n4 = 0 ,
const size_t n5 = 0 ,
const size_t n6 = 0 ,
const size_t n7 = 0 )
{
typedef Kokkos::Experimental::View<T,A1,A2,A3> view_type ;
static_assert( Kokkos::Experimental::ViewTraits<T,A1,A2,A3>::is_managed , "Can only realloc managed views" );
const std::string label = v.label();
v = view_type(); // Deallocate first, if the only view to allocation
v = view_type( label, n0, n1, n2, n3, n4, n5, n6, n7 );
}
} /* namespace Experimental */
} /* namespace Kokkos */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
#if defined( KOKKOS_USING_EXPERIMENTAL_VIEW )
namespace Kokkos {
template< class D , class A1 = void , class A2 = void , class A3 = void >
using ViewTraits = Kokkos::Experimental::ViewTraits<D,A1,A2,A3> ;
template< class D , class A1 = void , class A2 = void , class A3 = void , class S = void >
using View = Kokkos::Experimental::View<D,A1,A2,A3> ;
using Kokkos::Experimental::deep_copy ;
using Kokkos::Experimental::create_mirror ;
using Kokkos::Experimental::create_mirror_view ;
using Kokkos::Experimental::subview ;
using Kokkos::Experimental::resize ;
using Kokkos::Experimental::realloc ;
namespace Impl {
using Kokkos::Experimental::is_view ;
class ViewDefault {};
template< class SrcViewType
, class Arg0Type
, class Arg1Type
, class Arg2Type
, class Arg3Type
, class Arg4Type
, class Arg5Type
, class Arg6Type
, class Arg7Type
>
struct ViewSubview /* { typedef ... type ; } */ ;
}
} /* namespace Kokkos */
#include <impl/Kokkos_Atomic_View.hpp>
#endif /* #if defined( KOKKOS_USING_EXPERIMENTAL_VIEW ) */
//----------------------------------------------------------------------------
//----------------------------------------------------------------------------
#endif
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