Update Kokkos library in LAMMPS to v4.2

lib/kokkos/algorithms/unit_tests/TestStdAlgorithmsTeamAnyOf.cpp

@@ -0,0 +1,165 @@
+//@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 TeamAnyOf {
+
+namespace KE = Kokkos::Experimental;
+
+template <class ValueType>
+struct GreaterThanValueFunctor {
+  ValueType m_val;
+
+  KOKKOS_INLINE_FUNCTION
+  GreaterThanValueFunctor(ValueType val) : m_val(val) {}
+
+  KOKKOS_INLINE_FUNCTION
+  bool operator()(ValueType val) const { return (val > m_val); }
+};
+
+template <class DataViewType, class AnyOfResultsViewType,
+          class IntraTeamSentinelView, class UnaryPredType>
+struct TestFunctorA {
+  DataViewType m_dataView;
+  AnyOfResultsViewType m_anyOfResultsView;
+  IntraTeamSentinelView m_intraTeamSentinelView;
+  int m_apiPick;
+  UnaryPredType m_unaryPred;
+
+  TestFunctorA(const DataViewType dataView,
+               const AnyOfResultsViewType anyOfResultsView,
+               const IntraTeamSentinelView intraTeamSentinelView, int apiPick,
+               UnaryPredType unaryPred)
+      : m_dataView(dataView),
+        m_anyOfResultsView(anyOfResultsView),
+        m_intraTeamSentinelView(intraTeamSentinelView),
+        m_apiPick(apiPick),
+        m_unaryPred(unaryPred) {}
+
+  template <class MemberType>
+  KOKKOS_INLINE_FUNCTION void operator()(const MemberType& member) const {
+    const auto myRowIndex = member.league_rank();
+
+    auto myRowViewFrom = Kokkos::subview(m_dataView, myRowIndex, Kokkos::ALL());
+    bool result        = false;
+
+    switch (m_apiPick) {
+      case 0: {
+        result = KE::any_of(member, KE::cbegin(myRowViewFrom),
+                            KE::cend(myRowViewFrom), m_unaryPred);
+        Kokkos::single(Kokkos::PerTeam(member), [=, *this]() {
+          m_anyOfResultsView(myRowIndex) = result;
+        });
+        break;
+      }
+
+      case 1: {
+        result = KE::any_of(member, myRowViewFrom, m_unaryPred);
+        Kokkos::single(Kokkos::PerTeam(member), [=, *this]() {
+          m_anyOfResultsView(myRowIndex) = result;
+        });
+        break;
+      }
+    }
+
+    // store result of checking if all members have their local
+    // values matching the one stored in m_distancesView
+    member.team_barrier();
+    const bool intraTeamCheck = team_members_have_matching_result(
+        member, result, m_anyOfResultsView(myRowIndex));
+    Kokkos::single(Kokkos::PerTeam(member), [=, *this]() {
+      m_intraTeamSentinelView(myRowIndex) = intraTeamCheck;
+    });
+  }
+};
+
+template <class LayoutTag, class ValueType>
+void test_A(std::size_t numTeams, std::size_t numCols, int apiId) {
+  /* description:
+     use a rank-2 view randomly filled with values,
+     and run a team-level any_of
+   */
+
+  // -----------------------------------------------
+  // prepare data
+  // -----------------------------------------------
+  // create a view in the memory space associated with default exespace
+  // with as many rows as the number of teams and fill it with random
+  // values from an arbitrary range.
+  constexpr ValueType lowerBound = 5;
+  constexpr ValueType upperBound = 523;
+  const auto bounds              = make_bounds(lowerBound, upperBound);
+
+  auto [dataView, dataViewBeforeOp_h] = create_random_view_and_host_clone(
+      LayoutTag{}, numTeams, numCols, bounds, "dataView");
+
+  // -----------------------------------------------
+  // launch kokkos kernel
+  // -----------------------------------------------
+  using space_t = Kokkos::DefaultExecutionSpace;
+  Kokkos::TeamPolicy<space_t> policy(numTeams, Kokkos::AUTO());
+
+  // to verify that things work, each team stores the result of its any_of call,
+  // and then we check that these match what we expect
+  Kokkos::View<bool*> anyOfResultsView("anyOfResultsView", numTeams);
+  // sentinel to check if all members of the team compute the same result
+  Kokkos::View<bool*> intraTeamSentinelView("intraTeamSameResult", numTeams);
+
+  GreaterThanValueFunctor unaryPred{lowerBound};
+
+  // use CTAD for functor
+  TestFunctorA fnc(dataView, anyOfResultsView, intraTeamSentinelView, apiId,
+                   unaryPred);
+  Kokkos::parallel_for(policy, fnc);
+
+  // -----------------------------------------------
+  // run cpp-std kernel and check
+  // -----------------------------------------------
+  auto anyOfResultsView_h      = create_host_space_copy(anyOfResultsView);
+  auto intraTeamSentinelView_h = create_host_space_copy(intraTeamSentinelView);
+
+  for (std::size_t i = 0; i < dataView.extent(0); ++i) {
+    auto rowFrom = Kokkos::subview(dataViewBeforeOp_h, i, Kokkos::ALL());
+    const bool result =
+        std::any_of(KE::cbegin(rowFrom), KE::cend(rowFrom), unaryPred);
+    ASSERT_EQ(result, anyOfResultsView_h(i));
+    ASSERT_TRUE(intraTeamSentinelView_h(i));
+  }
+}
+
+template <class LayoutTag, class ValueType>
+void run_all_scenarios() {
+  for (int numTeams : teamSizesToTest) {
+    for (const auto& numCols : {0, 1, 2, 13, 101, 1444, 8153}) {
+      for (int apiId : {0, 1}) {
+        test_A<LayoutTag, ValueType>(numTeams, numCols, apiId);
+      }
+    }
+  }
+}
+
+TEST(std_algorithms_any_of_team_test, test) {
+  run_all_scenarios<DynamicTag, double>();
+  run_all_scenarios<StridedTwoRowsTag, int>();
+  run_all_scenarios<StridedThreeRowsTag, unsigned>();
+}
+
+}  // namespace TeamAnyOf
+}  // namespace stdalgos
+}  // namespace Test