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.
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13 // modification, are permitted provided that the following conditions are
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22 //
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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
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42 //@HEADER
43 */
44
45 /// @Kokkos_Feature_Level_Required:3
46 // Unit test for Kokkos free.
47 // We constantly allocate and free the memory.
48 // If the kokkos_free does not free the allocated memory,
49 // we will exceed the available space.
50
51 #include <Kokkos_Core.hpp>
52 #include <gtest/gtest.h>
53
54 namespace Test {
55
56 using value_type = double;
57
58 // Allocate M number of value_type elements N number of times.
59 const int N = 100000;
60 const int M = 100000;
61
62 template <class ExecSpace>
63 struct TestIncrMemorySpace_free {
64 using memory_space = typename ExecSpace::memory_space;
65
test_freeTest::TestIncrMemorySpace_free66 void test_free() {
67 for (int i = 0; i < N; ++i) {
68 auto *data = static_cast<value_type *>(
69 Kokkos::kokkos_malloc<memory_space>("data", M * sizeof(value_type)));
70
71 ASSERT_NE(data, nullptr);
72
73 Kokkos::kokkos_free<memory_space>(data);
74 }
75 }
76 };
77
TEST(TEST_CATEGORY,IncrTest_03b_memspace_free)78 TEST(TEST_CATEGORY, IncrTest_03b_memspace_free) {
79 TestIncrMemorySpace_free<TEST_EXECSPACE> test;
80 test.test_free();
81 }
82
83 } // namespace Test
84