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Kokkos_View_Utils_Def.hpp
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41 
42 #ifndef KOKKOS_VIEW_UTILS_DEF_HPP
43 #define KOKKOS_VIEW_UTILS_DEF_HPP
44 
45 #include "Kokkos_View_Utils.hpp"
46 #include "Kokkos_ExecPolicy.hpp"
47 #include "Kokkos_Parallel.hpp"
48 
49 namespace Kokkos {
50 
51 namespace Impl {
52 
53 // Specialization for deep_copy( view, view::value_type ) for Cuda
54 
55 template <class OutputView, typename Enabled>
56 struct StokhosViewFill
57 {
58  typedef typename OutputView::const_value_type const_value_type ;
60 
61  const OutputView output ;
63 
64  KOKKOS_INLINE_FUNCTION
65  void operator()( const size_t i0 ) const
66  {
67  const size_t n1 = output.extent(1);
68  const size_t n2 = output.extent(2);
69  const size_t n3 = output.extent(3);
70  const size_t n4 = output.extent(4);
71  const size_t n5 = output.extent(5);
72  const size_t n6 = output.extent(6);
73  const size_t n7 = output.extent(7);
74 
75  for ( size_t i1 = 0 ; i1 < n1 ; ++i1 ) {
76  for ( size_t i2 = 0 ; i2 < n2 ; ++i2 ) {
77  for ( size_t i3 = 0 ; i3 < n3 ; ++i3 ) {
78  for ( size_t i4 = 0 ; i4 < n4 ; ++i4 ) {
79  for ( size_t i5 = 0 ; i5 < n5 ; ++i5 ) {
80  for ( size_t i6 = 0 ; i6 < n6 ; ++i6 ) {
81  for ( size_t i7 = 0 ; i7 < n7 ; ++i7 ) {
82  output.access(i0,i1,i2,i3,i4,i5,i6,i7) = input ;
83  }}}}}}}
84  }
85 
86  StokhosViewFill( const OutputView & arg_out , const_value_type & arg_in )
87  : output( arg_out ), input( arg_in )
88  {
89  const size_t n0 = output.extent(0);
90  Kokkos::RangePolicy<execution_space> policy( 0, n0 );
91  Kokkos::parallel_for( policy, *this );
92  execution_space::fence();
93  }
94 };
95 } // namespace Impl
96 
97 } // namespace Kokkos
98 
99 #endif // KOKKOS_VIEW_UTILS_DEF_HPP
Kokkos::DefaultExecutionSpace execution_space
KOKKOS_INLINE_FUNCTION void operator()(const size_t i0) const
OutputView::const_value_type const_value_type
OutputView::execution_space execution_space
StokhosViewFill(const OutputView &arg_out, const_value_type &arg_in)