1 /*
2 //@HEADER
3 // ************************************************************************
4 //
5 // Kokkos v. 3.0
6 // Copyright (2020) National Technology & Engineering
7 // Solutions of Sandia, LLC (NTESS).
8 //
9 // Under the terms of Contract DE-NA0003525 with NTESS,
10 // the U.S. Government retains certain rights in this software.
11 //
12 // Redistribution and use in source and binary forms, with or without
13 // modification, are permitted provided that the following conditions are
14 // met:
15 //
16 // 1. Redistributions of source code must retain the above copyright
17 // notice, this list of conditions and the following disclaimer.
18 //
19 // 2. Redistributions in binary form must reproduce the above copyright
20 // notice, this list of conditions and the following disclaimer in the
21 // documentation and/or other materials provided with the distribution.
22 //
23 // 3. Neither the name of the Corporation nor the names of the
24 // contributors may be used to endorse or promote products derived from
25 // this software without specific prior written permission.
26 //
27 // THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
28 // EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
29 // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
30 // PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
31 // CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
32 // EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
33 // PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
34 // PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
35 // LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
36 // NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
37 // SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
38 //
39 // Questions? Contact Christian R. Trott (crtrott@sandia.gov)
40 //
41 // ************************************************************************
42 //@HEADER
43 */
44
45 /// @Kokkos_Feature_Level_Required:1
46
47 #include <Kokkos_Core.hpp>
48 #include <cstdio>
49 #include <sstream>
50 #include <type_traits>
51 #include <gtest/gtest.h>
52
53 namespace Test {
54
55 // Unit test for Execution Space
56 // Test1 - testing for memory_space, execution_space, scratch space and
57 // array_layout of an execution space
58 // Test2 - Test if the is_execution_space evaluation is working correctly
59
60 template <class ExecSpace>
61 struct TestIncrExecSpaceTypedef {
testitTest::TestIncrExecSpaceTypedef62 void testit() {
63 const bool passed =
64 (!std::is_same<void, typename ExecSpace::memory_space>::value) &&
65 std::is_same<ExecSpace, typename ExecSpace::execution_space>::value &&
66 !std::is_same<void, typename ExecSpace::scratch_memory_space>::value &&
67 !std::is_same<void, typename ExecSpace::array_layout>::value;
68 static_assert(passed == true,
69 "The memory and execution spaces are defined");
70 }
71 };
72
73 template <class ExecSpace>
74 struct TestIncrExecSpace {
testitTest::TestIncrExecSpace75 void testit() {
76 using device_type = typename ExecSpace::device_type;
77 using memory_space = typename device_type::memory_space;
78 using execution_space = typename device_type::execution_space;
79
80 const bool passed =
81 std::is_same<device_type,
82 Kokkos::Device<execution_space, memory_space>>::value;
83
84 static_assert(passed == true,
85 "Checking if the is_execution_space is evaluated correctly");
86
87 ExecSpace().print_configuration(std::cout);
88 ExecSpace().fence();
89
90 auto concurrency = ExecSpace().concurrency();
91 ASSERT_TRUE(concurrency > 0);
92
93 int in_parallel = ExecSpace::in_parallel();
94 ASSERT_FALSE(in_parallel);
95
96 const char* name = ExecSpace::name();
97 std::cout << name << std::endl;
98 }
99 };
100
TEST(TEST_CATEGORY,IncrTest_01_execspace_typedef)101 TEST(TEST_CATEGORY, IncrTest_01_execspace_typedef) {
102 TestIncrExecSpaceTypedef<TEST_EXECSPACE> test;
103 test.testit();
104 }
105
TEST(TEST_CATEGORY,IncrTest_01_execspace)106 TEST(TEST_CATEGORY, IncrTest_01_execspace) {
107 ASSERT_TRUE(Kokkos::is_execution_space<TEST_EXECSPACE>::value);
108 ASSERT_FALSE(Kokkos::is_execution_space<
109 TestIncrExecSpaceTypedef<TEST_EXECSPACE>>::value);
110 }
111 } // namespace Test
112