215 lines
6.7 KiB
C++
215 lines
6.7 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 3.0
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// Copyright (2020) 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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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are
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// met:
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//
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// 1. Redistributions of source code must retain the above copyright
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// notice, this list of conditions and the following disclaimer.
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//
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// 2. Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// 3. Neither the name of the Corporation nor the names of the
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// contributors may be used to endorse or promote products derived from
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// this software without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY NTESS "AS IS" AND ANY
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// EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL NTESS OR THE
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// CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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// EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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// PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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// PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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// LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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// SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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//
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// Questions? Contact Christian R. Trott (crtrott@sandia.gov)
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//
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// ************************************************************************
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//@HEADER
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*/
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#ifndef KOKKOS_TEST_DUALVIEW_HPP
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#define KOKKOS_TEST_DUALVIEW_HPP
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#include <gtest/gtest.h>
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#include <iostream>
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#include <cstdlib>
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#include <cstdio>
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#include <impl/Kokkos_Timer.hpp>
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#include <Kokkos_DualView.hpp>
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namespace Test {
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namespace Impl {
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template <typename Scalar, class Device>
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struct test_dualview_combinations {
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typedef test_dualview_combinations<Scalar, Device> self_type;
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typedef Scalar scalar_type;
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typedef Device execution_space;
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Scalar reference;
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Scalar result;
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template <typename ViewType>
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Scalar run_me(unsigned int n, unsigned int m) {
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if (n < 10) n = 10;
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if (m < 3) m = 3;
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ViewType a("A", n, m);
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Kokkos::deep_copy(a.d_view, 1);
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a.template modify<typename ViewType::execution_space>();
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a.template sync<typename ViewType::host_mirror_space>();
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a.h_view(5, 1) = 3;
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a.h_view(6, 1) = 4;
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a.h_view(7, 2) = 5;
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a.template modify<typename ViewType::host_mirror_space>();
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ViewType b = Kokkos::subview(a, std::pair<unsigned int, unsigned int>(6, 9),
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std::pair<unsigned int, unsigned int>(0, 1));
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a.template sync<typename ViewType::execution_space>();
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b.template modify<typename ViewType::execution_space>();
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Kokkos::deep_copy(b.d_view, 2);
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a.template sync<typename ViewType::host_mirror_space>();
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Scalar count = 0;
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for (unsigned int i = 0; i < a.d_view.extent(0); i++)
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for (unsigned int j = 0; j < a.d_view.extent(1); j++)
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count += a.h_view(i, j);
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return count - a.d_view.extent(0) * a.d_view.extent(1) - 2 - 4 - 3 * 2;
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}
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test_dualview_combinations(unsigned int size) {
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result = run_me<Kokkos::DualView<Scalar**, Kokkos::LayoutLeft, Device> >(
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size, 3);
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}
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};
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template <typename Scalar, class ViewType>
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struct SumViewEntriesFunctor {
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typedef Scalar value_type;
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ViewType fv;
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SumViewEntriesFunctor(const ViewType& fv_) : fv(fv_) {}
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KOKKOS_INLINE_FUNCTION
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void operator()(const int i, value_type& total) const {
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for (size_t j = 0; j < fv.extent(1); ++j) {
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total += fv(i, j);
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}
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}
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};
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template <typename Scalar, class Device>
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struct test_dual_view_deep_copy {
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typedef Scalar scalar_type;
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typedef Device execution_space;
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template <typename ViewType>
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void run_me() {
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const unsigned int n = 10;
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const unsigned int m = 5;
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const unsigned int sum_total = n * m;
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ViewType a("A", n, m);
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ViewType b("B", n, m);
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Kokkos::deep_copy(a.d_view, 1);
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a.template modify<typename ViewType::execution_space>();
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a.template sync<typename ViewType::host_mirror_space>();
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// Check device view is initialized as expected
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scalar_type a_d_sum = 0;
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// Execute on the execution_space associated with t_dev's memory space
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typedef typename ViewType::t_dev::memory_space::execution_space
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t_dev_exec_space;
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<t_dev_exec_space>(0, n),
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SumViewEntriesFunctor<scalar_type, typename ViewType::t_dev>(a.d_view),
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a_d_sum);
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ASSERT_EQ(a_d_sum, sum_total);
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// Check host view is synced as expected
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scalar_type a_h_sum = 0;
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for (size_t i = 0; i < a.h_view.extent(0); ++i)
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for (size_t j = 0; j < a.h_view.extent(1); ++j) {
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a_h_sum += a.h_view(i, j);
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}
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ASSERT_EQ(a_h_sum, sum_total);
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// Test deep_copy
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Kokkos::deep_copy(b, a);
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b.template sync<typename ViewType::host_mirror_space>();
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// Perform same checks on b as done on a
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// Check device view is initialized as expected
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scalar_type b_d_sum = 0;
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// Execute on the execution_space associated with t_dev's memory space
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Kokkos::parallel_reduce(
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Kokkos::RangePolicy<t_dev_exec_space>(0, n),
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SumViewEntriesFunctor<scalar_type, typename ViewType::t_dev>(b.d_view),
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b_d_sum);
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ASSERT_EQ(b_d_sum, sum_total);
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// Check host view is synced as expected
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scalar_type b_h_sum = 0;
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for (size_t i = 0; i < b.h_view.extent(0); ++i)
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for (size_t j = 0; j < b.h_view.extent(1); ++j) {
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b_h_sum += b.h_view(i, j);
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}
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ASSERT_EQ(b_h_sum, sum_total);
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} // end run_me
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test_dual_view_deep_copy() {
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run_me<Kokkos::DualView<Scalar**, Kokkos::LayoutLeft, Device> >();
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}
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};
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} // namespace Impl
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template <typename Scalar, typename Device>
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void test_dualview_combinations(unsigned int size) {
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Impl::test_dualview_combinations<Scalar, Device> test(size);
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ASSERT_EQ(test.result, 0);
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}
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template <typename Scalar, typename Device>
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void test_dualview_deep_copy() {
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Impl::test_dual_view_deep_copy<Scalar, Device>();
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}
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TEST(TEST_CATEGORY, dualview_combination) {
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test_dualview_combinations<int, TEST_EXECSPACE>(10);
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}
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TEST(TEST_CATEGORY, dualview_deep_copy) {
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test_dualview_deep_copy<int, TEST_EXECSPACE>();
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test_dualview_deep_copy<double, TEST_EXECSPACE>();
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}
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} // namespace Test
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#endif // KOKKOS_TEST_UNORDERED_MAP_HPP
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