Update Kokkos library in LAMMPS to v4.4.0
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@ -81,5 +81,114 @@ TEST(std_algorithms, is_admissible_to_std_algorithms) {
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strided_view_3d_t>::value);
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}
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TEST(std_algorithms, expect_no_overlap) {
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namespace KE = Kokkos::Experimental;
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using value_type = double;
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static constexpr size_t extent0 = 13;
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//-------------
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// 1d views
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//-------------
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using static_view_1d_t = Kokkos::View<value_type[extent0]>;
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[[maybe_unused]] static_view_1d_t static_view_1d{
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"std-algo-test-1d-contiguous-view-static"};
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using dyn_view_1d_t = Kokkos::View<value_type*>;
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[[maybe_unused]] dyn_view_1d_t dynamic_view_1d{
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"std-algo-test-1d-contiguous-view-dynamic", extent0};
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using strided_view_1d_t = Kokkos::View<value_type*, Kokkos::LayoutStride>;
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Kokkos::LayoutStride layout1d{extent0, 2};
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strided_view_1d_t strided_view_1d{"std-algo-test-1d-strided-view", layout1d};
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// Overlapping because iterators are identical
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#if defined(KOKKOS_ENABLE_DEBUG)
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auto first_s = KE::begin(static_view_1d);
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auto last_s = first_s + extent0;
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EXPECT_DEATH({ KE::Impl::expect_no_overlap(first_s, last_s, first_s); },
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"Kokkos contract violation:.*");
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auto first_d = KE::begin(dynamic_view_1d);
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auto last_d = first_d + extent0;
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EXPECT_DEATH({ KE::Impl::expect_no_overlap(first_d, last_d, first_d); },
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"Kokkos contract violation:.*");
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auto first_st = KE::begin(strided_view_1d);
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auto last_st = first_st + extent0;
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EXPECT_DEATH({ KE::Impl::expect_no_overlap(first_st, last_st, first_st); },
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"Kokkos contract violation:.*");
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#endif
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// Ranges are overlapped
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static constexpr size_t sub_extent0 = 6, offset0 = 3;
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std::pair<size_t, size_t> range0(0, sub_extent0),
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range1(offset0, offset0 + sub_extent0);
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#if defined(KOKKOS_ENABLE_DEBUG)
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auto static_view_1d_0 = Kokkos::subview(static_view_1d, range0);
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auto static_view_1d_1 = Kokkos::subview(static_view_1d, range1);
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auto first_s0 = KE::begin(static_view_1d_0); // [0, 6)
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auto last_s0 = first_s0 + static_view_1d_0.extent(0);
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auto first_s1 = KE::begin(static_view_1d_1); // [3, 9)
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EXPECT_DEATH({ KE::Impl::expect_no_overlap(first_s0, last_s0, first_s1); },
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"Kokkos contract violation:.*");
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auto dynamic_view_1d_0 = Kokkos::subview(dynamic_view_1d, range0);
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auto dynamic_view_1d_1 = Kokkos::subview(dynamic_view_1d, range1);
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auto first_d0 = KE::begin(dynamic_view_1d_0); // [0, 6)
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auto last_d0 = first_d0 + dynamic_view_1d_0.extent(0);
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auto first_d1 = KE::begin(dynamic_view_1d_1); // [3, 9)
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EXPECT_DEATH({ KE::Impl::expect_no_overlap(first_d0, last_d0, first_d1); },
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"Kokkos contract violation:.*");
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#endif
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auto strided_view_1d_0 = Kokkos::subview(strided_view_1d, range0);
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auto strided_view_1d_1 = Kokkos::subview(strided_view_1d, range1);
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auto first_st0 = KE::begin(strided_view_1d_0); // [0, 12)
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auto last_st0 = first_st0 + strided_view_1d_0.extent(0);
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auto first_st1 = KE::begin(strided_view_1d_1); // [3, 15)
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// Does not overlap since offset (=3) is not divisible by stride (=2)
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EXPECT_NO_THROW(
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{ KE::Impl::expect_no_overlap(first_st0, last_st0, first_st1); });
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// Iterating over the same range without overlapping
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Kokkos::View<value_type[2][extent0], Kokkos::LayoutLeft> static_view_2d{
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"std-algo-test-2d-contiguous-view-static"};
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auto sub_static_view_1d_0 = Kokkos::subview(static_view_2d, 0, Kokkos::ALL);
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auto sub_static_view_1d_1 = Kokkos::subview(static_view_2d, 1, Kokkos::ALL);
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auto sub_first_s0 = KE::begin(sub_static_view_1d_0); // 0, 2, 4, ...
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auto sub_last_s0 = sub_first_s0 + sub_static_view_1d_0.extent(0);
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auto sub_first_s1 = KE::begin(sub_static_view_1d_1); // 1, 3, 5, ...
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EXPECT_NO_THROW({
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KE::Impl::expect_no_overlap(sub_first_s0, sub_last_s0, sub_first_s1);
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});
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Kokkos::View<value_type**, Kokkos::LayoutLeft> dynamic_view_2d{
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"std-algo-test-2d-contiguous-view-dynamic", 2, extent0};
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auto sub_dynamic_view_1d_0 = Kokkos::subview(dynamic_view_2d, 0, Kokkos::ALL);
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auto sub_dynamic_view_1d_1 = Kokkos::subview(dynamic_view_2d, 1, Kokkos::ALL);
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auto sub_first_d0 = KE::begin(sub_dynamic_view_1d_0); // 0, 2, 4, ...
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auto sub_last_d0 = sub_first_d0 + sub_dynamic_view_1d_0.extent(0);
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auto sub_first_d1 = KE::begin(sub_dynamic_view_1d_1); // 1, 3, 5, ...
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EXPECT_NO_THROW({
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KE::Impl::expect_no_overlap(sub_first_d0, sub_last_d0, sub_first_d1);
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});
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Kokkos::LayoutStride layout2d{2, 3, extent0, 2 * 3};
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Kokkos::View<value_type**, Kokkos::LayoutStride> strided_view_2d{
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"std-algo-test-2d-contiguous-view-strided", layout2d};
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auto sub_strided_view_1d_0 = Kokkos::subview(strided_view_2d, 0, Kokkos::ALL);
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auto sub_strided_view_1d_1 = Kokkos::subview(strided_view_2d, 1, Kokkos::ALL);
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auto sub_first_st0 = KE::begin(sub_strided_view_1d_0); // 0, 6, 12, ...
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auto sub_last_st0 = sub_first_st0 + sub_strided_view_1d_0.extent(0);
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auto sub_first_st1 = KE::begin(sub_strided_view_1d_1); // 1, 7, 13, ...
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EXPECT_NO_THROW({
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KE::Impl::expect_no_overlap(sub_first_st0, sub_last_st0, sub_first_st1);
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});
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}
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} // namespace stdalgos
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} // namespace Test
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