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4 //
5 // Kokkos v. 3.0
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7 // Solutions of Sandia, LLC (NTESS).
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43 */
44
45 // @Kokkos_Feature_Level_Required:11
46 // Unit test for hierarchical parallelism
47 // Create concurrent work hierarchically and verify if
48 // contributions of paticipating processing units corresponds to expected value
49
50 #include <gtest/gtest.h>
51 #include <Kokkos_Core.hpp>
52
53 namespace Test {
54
55 template <class ExecSpace>
56 struct Hierarchical_ForLoop_B {
runTest::Hierarchical_ForLoop_B57 void run(const int pN, const int sX, const int sY) {
58 using team_policy = Kokkos::TeamPolicy<ExecSpace>;
59 using member_type = typename Kokkos::TeamPolicy<ExecSpace>::member_type;
60
61 using viewDataType = Kokkos::View<int **, ExecSpace>;
62 viewDataType v("Matrix", sX, sY);
63
64 Kokkos::parallel_for(
65 "Team", team_policy(pN, Kokkos::AUTO),
66 KOKKOS_LAMBDA(const member_type &team) {
67 const int n = team.league_rank();
68 const int ls = team.league_size();
69
70 const int startDim1 = n * (int)(sX / ls);
71 const int modDim1 = n == ls - 1 ? sX % ls : 0;
72
73 Kokkos::parallel_for(
74 Kokkos::TeamVectorRange(team, v.extent(1)), [=](const int m) {
75 for (int i = startDim1;
76 i < (startDim1 + (int)(sX / ls) + modDim1); ++i)
77 v(i, m) = i * v.extent(1) + m;
78 });
79 });
80
81 Kokkos::fence();
82 auto v_H = Kokkos::create_mirror_view_and_copy(Kokkos::HostSpace(), v);
83
84 long long int check = 0;
85 const long long int s = sY * sX;
86 for (int i = 0; i < sX; ++i)
87 for (int j = 0; j < sY; ++j) check += v_H(i, j);
88 ASSERT_EQ(check, s * (s - 1) / 2);
89 }
90 };
91
TEST(TEST_CATEGORY,IncrTest_11b_Hierarchical_ForLoop)92 TEST(TEST_CATEGORY, IncrTest_11b_Hierarchical_ForLoop) {
93 Hierarchical_ForLoop_B<TEST_EXECSPACE> test;
94 test.run(1, 6, 400);
95 test.run(6, 7, 19);
96 test.run(12, 277, 321);
97 }
98
99 } // namespace Test
100