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Add layout constraint #320

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merged 1 commit into from
Mar 1, 2024
Merged

Add layout constraint #320

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24 changes: 24 additions & 0 deletions include/ddc/mirror.hpp
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Original file line number Diff line number Diff line change
Expand Up @@ -17,6 +17,9 @@ auto create_mirror(
[[maybe_unused]] Space const& space,
ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
return Chunk(
src.domain(),
KokkosAllocator<std::remove_const_t<ElementType>, typename Space::memory_space>());
Expand All @@ -26,6 +29,9 @@ auto create_mirror(
template <class ElementType, class Support, class Layout, class MemorySpace>
auto create_mirror(ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
return Chunk(src.domain(), HostAllocator<std::remove_const_t<ElementType>>());
}

Expand All @@ -35,6 +41,9 @@ auto create_mirror_and_copy(
Space const& space,
ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
Chunk chunk = create_mirror(space, src);
parallel_deepcopy(space, chunk, src);
return chunk;
Expand All @@ -44,6 +53,9 @@ auto create_mirror_and_copy(
template <class ElementType, class Support, class Layout, class MemorySpace>
auto create_mirror_and_copy(ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
Chunk chunk = create_mirror(src);
parallel_deepcopy(chunk, src);
return chunk;
Expand All @@ -56,6 +68,9 @@ auto create_mirror_view(
Space const& space,
ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
if constexpr (Kokkos::SpaceAccessibility<Space, MemorySpace>::accessible) {
return src;
} else {
Expand All @@ -68,6 +83,9 @@ auto create_mirror_view(
template <class ElementType, class Support, class Layout, class MemorySpace>
auto create_mirror_view(ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
if constexpr (Kokkos::SpaceAccessibility<Kokkos::HostSpace, MemorySpace>::accessible) {
return src;
} else {
Expand All @@ -82,6 +100,9 @@ auto create_mirror_view_and_copy(
Space const& space,
ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
if constexpr (Kokkos::SpaceAccessibility<Space, MemorySpace>::accessible) {
return src;
} else {
Expand All @@ -94,6 +115,9 @@ auto create_mirror_view_and_copy(
template <class ElementType, class Support, class Layout, class MemorySpace>
auto create_mirror_view_and_copy(ChunkSpan<ElementType, Support, Layout, MemorySpace> const& src)
{
static_assert(
std::is_same_v<Layout, std::experimental::layout_right>,
"Only layout right is supported");
if constexpr (Kokkos::SpaceAccessibility<Kokkos::HostSpace, MemorySpace>::accessible) {
return src;
} else {
Expand Down