Update Kokkos library in LAMMPS to v3.6.0

lib/kokkos/algorithms/unit_tests/TestStdAlgorithmsReplace.cpp

@@ -0,0 +1,255 @@
+/*
+//@HEADER
+// ************************************************************************
+//
+//                        Kokkos v. 3.0
+//       Copyright (2020) 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.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+// 1. Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//
+// 2. Redistributions in binary form must reproduce the above copyright
+// notice, this list of conditions and the following disclaimer in the
+// documentation and/or other materials provided with the distribution.
+//
+// 3. Neither the name of the Corporation nor the names of the
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
+// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
+// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
+// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
+//
+// ************************************************************************
+//@HEADER
+*/
+
+#include <TestStdAlgorithmsCommon.hpp>
+#include <std_algorithms/Kokkos_BeginEnd.hpp>
+#include <std_algorithms/Kokkos_ModifyingSequenceOperations.hpp>
+#include <utility>
+
+namespace Test {
+namespace stdalgos {
+namespace Replace {
+
+namespace KE = Kokkos::Experimental;
+
+template <class ViewType>
+void fill_view(ViewType dest_view, const std::string& name) {
+  using value_type      = typename ViewType::value_type;
+  using exe_space       = typename ViewType::execution_space;
+  const std::size_t ext = dest_view.extent(0);
+  using aux_view_t      = Kokkos::View<value_type*, exe_space>;
+  aux_view_t aux_view("aux_view", ext);
+  auto v_h = create_mirror_view(Kokkos::HostSpace(), aux_view);
+
+  if (name == "empty") {
+    // no op
+  }
+
+  else if (name == "one-element-a") {
+    v_h(0) = static_cast<value_type>(1);
+  }
+
+  else if (name == "one-element-b") {
+    v_h(0) = static_cast<value_type>(2);
+  }
+
+  else if (name == "two-elements-a") {
+    v_h(0) = static_cast<value_type>(1);
+    v_h(1) = static_cast<value_type>(2);
+  }
+
+  else if (name == "two-elements-b") {
+    v_h(0) = static_cast<value_type>(2);
+    v_h(1) = static_cast<value_type>(-1);
+  }
+
+  else if (name == "small-a") {
+    for (std::size_t i = 0; i < ext; ++i) {
+      v_h(i) = value_type{-5} + static_cast<value_type>(i + 1);
+    }
+    v_h(0) = static_cast<value_type>(2);
+    v_h(3) = static_cast<value_type>(2);
+    v_h(5) = static_cast<value_type>(2);
+  }
+
+  else if (name == "small-b") {
+    for (std::size_t i = 0; i < ext; ++i) {
+      if (i < 4) {
+        v_h(i) = static_cast<value_type>(-1);
+      } else {
+        v_h(i) = static_cast<value_type>(2);
+      }
+    }
+  }
+
+  else if (name == "medium" || name == "large") {
+    for (std::size_t i = 0; i < ext; ++i) {
+      if (i % 2 == 0) {
+        v_h(i) = static_cast<value_type>(-1);
+      } else {
+        v_h(i) = static_cast<value_type>(2);
+      }
+    }
+  }
+
+  else {
+    throw std::runtime_error("invalid choice");
+  }
+
+  Kokkos::deep_copy(aux_view, v_h);
+  CopyFunctor<aux_view_t, ViewType> F1(aux_view, dest_view);
+  Kokkos::parallel_for("copy", dest_view.extent(0), F1);
+}
+
+template <class ViewType1, class ValueType>
+void verify_data(const std::string& name, ViewType1 test_view,
+                 ValueType new_value) {
+  //! always careful because views might not be deep copyable
+  auto view_dc = create_deep_copyable_compatible_clone(test_view);
+  auto view_h  = create_mirror_view_and_copy(Kokkos::HostSpace(), view_dc);
+
+  if (name == "empty") {
+    // no op
+  }
+
+  else if (name == "one-element-a") {
+    EXPECT_TRUE(view_h(0) == ValueType{1});
+  }
+
+  else if (name == "one-element-b") {
+    EXPECT_TRUE(view_h(0) == new_value);
+  }
+
+  else if (name == "two-elements-a") {
+    EXPECT_TRUE(view_h(0) == ValueType{1});
+    EXPECT_TRUE(view_h(1) == new_value);
+  }
+
+  else if (name == "two-elements-b") {
+    EXPECT_TRUE(view_h(0) == new_value);
+    EXPECT_TRUE(view_h(1) == ValueType{-1});
+  }
+
+  else if (name == "small-a") {
+    for (std::size_t i = 0; i < view_h.extent(0); ++i) {
+      if (i == 0 || i == 3 || i == 5 || i == 6) {
+        EXPECT_TRUE(view_h(i) == new_value);
+      } else {
+        const auto gold = ValueType{-5} + static_cast<ValueType>(i + 1);
+        EXPECT_TRUE(view_h(i) == gold);
+      }
+    }
+  }
+
+  else if (name == "small-b") {
+    for (std::size_t i = 0; i < view_h.extent(0); ++i) {
+      if (i < 4) {
+        EXPECT_TRUE(view_h(i) == ValueType{-1});
+      } else {
+        EXPECT_TRUE(view_h(i) == new_value);
+      }
+    }
+  }
+
+  else if (name == "medium" || name == "large") {
+    for (std::size_t i = 0; i < view_h.extent(0); ++i) {
+      if (i % 2 == 0) {
+        EXPECT_TRUE(view_h(i) == ValueType{-1});
+      } else {
+        EXPECT_TRUE(view_h(i) == new_value);
+      }
+    }
+  }
+
+  else {
+    throw std::runtime_error("invalid choice");
+  }
+}
+
+std::string value_type_to_string(int) { return "int"; }
+std::string value_type_to_string(double) { return "double"; }
+
+template <class Tag, class ValueType, class InfoType>
+void run_single_scenario(const InfoType& scenario_info) {
+  const auto name            = std::get<0>(scenario_info);
+  const std::size_t view_ext = std::get<1>(scenario_info);
+  // std::cout << "replace: " << name << ", " << view_tag_to_string(Tag{}) << ",
+  // "
+  //           << value_type_to_string(ValueType()) << std::endl;
+
+  ValueType old_value{2};
+  ValueType new_value{43};
+  auto view = create_view<ValueType>(Tag{}, view_ext, "replace");
+
+  {
+    fill_view(view, name);
+    KE::replace(exespace(), KE::begin(view), KE::end(view), old_value,
+                new_value);
+    verify_data(name, view, new_value);
+  }
+
+  {
+    fill_view(view, name);
+    KE::replace("label", exespace(), KE::begin(view), KE::end(view), old_value,
+                new_value);
+    verify_data(name, view, new_value);
+  }
+
+  {
+    fill_view(view, name);
+    KE::replace(exespace(), view, old_value, new_value);
+    verify_data(name, view, new_value);
+  }
+
+  {
+    fill_view(view, name);
+    KE::replace("label", exespace(), view, old_value, new_value);
+    verify_data(name, view, new_value);
+  }
+
+  Kokkos::fence();
+}
+
+template <class Tag, class ValueType>
+void run_all_scenarios() {
+  const std::map<std::string, std::size_t> scenarios = {
+      {"empty", 0},          {"one-element-a", 1},  {"one-element-b", 1},
+      {"two-elements-a", 2}, {"two-elements-b", 2}, {"small-a", 9},
+      {"small-b", 13},       {"medium", 1103},      {"large", 101513}};
+
+  for (const auto& it : scenarios) {
+    run_single_scenario<Tag, ValueType>(it);
+  }
+}
+
+TEST(std_algorithms_replace_ops_test, replace) {
+  run_all_scenarios<DynamicTag, double>();
+  run_all_scenarios<StridedThreeTag, double>();
+  run_all_scenarios<DynamicTag, int>();
+  run_all_scenarios<StridedThreeTag, int>();
+}
+
+}  // namespace Replace
+}  // namespace stdalgos
+}  // namespace Test