1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
|
//@HEADER
// ************************************************************************
//
// Kokkos v. 4.0
// Copyright (2022) National Technology & Engineering
// Solutions of Sandia, LLC (NTESS).
//
// Under the terms of Contract DE-NA0003525 with NTESS,
// the U.S. Government retains certain rights in this software.
//
// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
// See https://kokkos.org/LICENSE for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//@HEADER
#include <TestStdAlgorithmsCommon.hpp>
namespace Test {
namespace stdalgos {
namespace ModOps {
namespace KE = Kokkos::Experimental;
// ------------
// move
// ------------
struct MyMovableType {
int m_value = 11;
MyMovableType() = default;
MyMovableType(MyMovableType&& other) {
if (this != &other) {
m_value = other.m_value;
other.m_value = -2;
}
}
MyMovableType& operator=(MyMovableType&& other) {
if (this != &other) {
m_value = other.m_value;
other.m_value = -4;
}
return *this;
}
};
TEST(std_algorithms_mod_ops_test, move) {
MyMovableType a;
using move_t = decltype(std::move(a));
static_assert(std::is_rvalue_reference_v<move_t>);
// move constr
MyMovableType b(std::move(a));
ASSERT_EQ(b.m_value, 11);
ASSERT_EQ(a.m_value, -2); // NOLINT(bugprone-use-after-move)
// move assign
MyMovableType c;
c = std::move(b);
ASSERT_EQ(c.m_value, 11);
ASSERT_EQ(b.m_value, -4); // NOLINT(bugprone-use-after-move)
}
template <class ViewType>
struct StdAlgoModSeqOpsTestMove {
ViewType m_view;
KOKKOS_INLINE_FUNCTION
void operator()(const int index) const {
typename ViewType::value_type a{11};
using move_t = decltype(std::move(a));
static_assert(std::is_rvalue_reference_v<move_t>);
m_view(index) = std::move(a);
}
StdAlgoModSeqOpsTestMove(ViewType view) : m_view(view) {}
};
TEST(std_algorithms_mod_ops_test, move_within_parfor) {
using view_t = Kokkos::View<double*>;
view_t a("a", 10);
StdAlgoModSeqOpsTestMove<view_t> fnc(a);
Kokkos::parallel_for(a.extent(0), fnc);
auto a_h = Kokkos::create_mirror_view_and_copy(Kokkos::HostSpace(), a);
for (std::size_t i = 0; i < a.extent(0); ++i) {
EXPECT_DOUBLE_EQ(a_h(0), 11.);
}
}
// ------------
// iter_swap
// ------------
template <class ViewType>
void test_iter_swap(ViewType view) {
/* fill view */
auto F = AssignIndexFunctor<ViewType>(view);
Kokkos::parallel_for(view.extent(0), std::move(F));
/* call iter_swap */
auto it1 = KE::begin(view);
KE::iter_swap(it1, it1 + 3);
KE::iter_swap(it1 + 4, it1 + 6);
/* check result */
using value_type = typename ViewType::value_type;
auto a_dc = create_deep_copyable_compatible_clone(view);
auto a_h = create_mirror_view_and_copy(Kokkos::HostSpace(), a_dc);
ASSERT_EQ(view.extent_int(0), 10);
ASSERT_EQ(a_h(0), value_type(3));
ASSERT_EQ(a_h(1), value_type(1));
ASSERT_EQ(a_h(2), value_type(2));
ASSERT_EQ(a_h(3), value_type(0));
ASSERT_EQ(a_h(4), value_type(6));
ASSERT_EQ(a_h(5), value_type(5));
ASSERT_EQ(a_h(6), value_type(4));
ASSERT_EQ(a_h(7), value_type(7));
ASSERT_EQ(a_h(8), value_type(8));
ASSERT_EQ(a_h(9), value_type(9));
}
TEST(std_algorithms_mod_ops_test, iter_swap_static_view) {
auto a = create_view<double>(stdalgos::DynamicTag{}, 10, "a");
test_iter_swap(a);
auto a1 = create_view<double>(stdalgos::StridedTwoTag{}, 10, "a1");
test_iter_swap(a1);
auto a2 = create_view<double>(stdalgos::StridedThreeTag{}, 10, "a2");
test_iter_swap(a2);
}
} // namespace ModOps
} // namespace stdalgos
} // namespace Test
|
