117 lines
3.8 KiB
C++
117 lines
3.8 KiB
C++
//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 4.0
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// Copyright (2022) National Technology & Engineering
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// Solutions of Sandia, LLC (NTESS).
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//
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// Under the terms of Contract DE-NA0003525 with NTESS,
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// the U.S. Government retains certain rights in this software.
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//
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// Part of Kokkos, under the Apache License v2.0 with LLVM Exceptions.
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// See https://kokkos.org/LICENSE for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//@HEADER
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#include <TestStdAlgorithmsCommon.hpp>
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namespace Test {
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namespace stdalgos {
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namespace TeamGenerate {
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namespace KE = Kokkos::Experimental;
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template <class ValueType>
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struct Generator {
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KOKKOS_INLINE_FUNCTION
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ValueType operator()() const { return static_cast<ValueType>(23); }
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};
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template <class ViewType>
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struct TestFunctorA {
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ViewType m_view;
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int m_apiPick;
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TestFunctorA(const ViewType view, int apiPick)
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: m_view(view), m_apiPick(apiPick) {}
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template <class MemberType>
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KOKKOS_INLINE_FUNCTION void operator()(const MemberType& member) const {
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const auto myRowIndex = member.league_rank();
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auto myRowView = Kokkos::subview(m_view, myRowIndex, Kokkos::ALL());
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using value_type = typename ViewType::value_type;
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if (m_apiPick == 0) {
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KE::generate(member, KE::begin(myRowView), KE::end(myRowView),
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Generator<value_type>());
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} else if (m_apiPick == 1) {
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KE::generate(member, myRowView, Generator<value_type>());
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}
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}
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};
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template <class LayoutTag, class ValueType>
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void test_A(std::size_t numTeams, std::size_t numCols, int apiId) {
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/* description:
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randomly fill a view and then do a team-level generate
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with one team per row to assign to each element a value
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produced via a generator functor
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*/
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// -----------------------------------------------
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// prepare data
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// -----------------------------------------------
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// create a view in the memory space associated with default exespace
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// with as many rows as the number of teams and fill it with random
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// values from an arbitrary range. Pick range so that it does NOT
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// contain the value produced by the generator (see top of file)
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// otherwise test check below is ill-posed
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auto [dataView, cloneOfDataViewBeforeOp_h] =
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create_random_view_and_host_clone(
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LayoutTag{}, numTeams, numCols,
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Kokkos::pair<ValueType, ValueType>{105, 523}, "dataView");
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// -----------------------------------------------
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// launch kokkos kernel
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// -----------------------------------------------
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using space_t = Kokkos::DefaultExecutionSpace;
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Kokkos::TeamPolicy<space_t> policy(numTeams, Kokkos::AUTO());
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// use CTAD for functor
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TestFunctorA fnc(dataView, apiId);
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Kokkos::parallel_for(policy, fnc);
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// -----------------------------------------------
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// check
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// -----------------------------------------------
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auto dataViewAfterOp_h = create_host_space_copy(dataView);
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for (std::size_t i = 0; i < dataViewAfterOp_h.extent(0); ++i) {
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for (std::size_t j = 0; j < dataViewAfterOp_h.extent(1); ++j) {
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EXPECT_TRUE(dataViewAfterOp_h(i, j) == static_cast<ValueType>(23));
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EXPECT_TRUE(dataViewAfterOp_h(i, j) != cloneOfDataViewBeforeOp_h(i, j));
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}
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}
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}
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template <class LayoutTag, class ValueType>
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void run_all_scenarios() {
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for (int numTeams : teamSizesToTest) {
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for (const auto& numCols : {0, 1, 2, 13, 101, 1444, 51153}) {
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for (int apiId : {0, 1}) {
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test_A<LayoutTag, ValueType>(numTeams, numCols, apiId);
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}
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}
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}
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}
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TEST(std_algorithms_generate_team_test, test_unary_op) {
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run_all_scenarios<DynamicTag, double>();
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run_all_scenarios<StridedTwoRowsTag, int>();
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run_all_scenarios<StridedThreeRowsTag, unsigned>();
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}
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} // namespace TeamGenerate
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} // namespace stdalgos
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} // namespace Test
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