157 lines
4.7 KiB
C++
157 lines
4.7 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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#include <impl/Kokkos_HostSharedPtr.hpp>
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#include <Kokkos_Core.hpp>
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#include <gtest/gtest.h>
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using Kokkos::Impl::HostSharedPtr;
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namespace {
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class Data {
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Kokkos::Array<char, 64> d;
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public:
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KOKKOS_FUNCTION void write(char const* c) {
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for (int i = 0; i < 64 && c; ++i, ++c) {
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d[i] = *c;
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}
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}
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};
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template <class SmartPtr>
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struct CheckAccessStoredPointerAndDereferenceOnDevice {
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SmartPtr m_device_ptr;
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using ElementType = typename SmartPtr::element_type;
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static_assert(std::is_same<ElementType, Data>::value, "");
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CheckAccessStoredPointerAndDereferenceOnDevice(SmartPtr device_ptr)
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: m_device_ptr(device_ptr) {
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int errors;
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Kokkos::parallel_reduce(Kokkos::RangePolicy<TEST_EXECSPACE>(0, 1), *this,
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errors);
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EXPECT_EQ(errors, 0);
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}
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KOKKOS_FUNCTION void operator()(int, int& e) const {
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auto raw_ptr = m_device_ptr.get(); // get
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auto tmp = new (raw_ptr) ElementType();
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auto& obj = *m_device_ptr; // operator*
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if (&obj != raw_ptr) ++e;
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m_device_ptr->write("hello world"); // operator->
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tmp->~ElementType();
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}
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};
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template <class Ptr>
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CheckAccessStoredPointerAndDereferenceOnDevice<Ptr>
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check_access_stored_pointer_and_dereference_on_device(Ptr p) {
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return {p};
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}
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template <class SmartPtr>
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struct CheckSpecialMembersOnDevice {
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SmartPtr m_device_ptr;
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KOKKOS_FUNCTION void operator()(int, int& e) const {
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SmartPtr p1 = m_device_ptr; // copy construction
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SmartPtr p2 = std::move(p1); // move construction
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p1 = p2; // copy assignment
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p2 = std::move(p1); // move assignment
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SmartPtr p3; // default constructor
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if (p3) ++e;
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SmartPtr p4{nullptr};
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if (p4) ++e;
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}
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CheckSpecialMembersOnDevice(SmartPtr device_ptr) : m_device_ptr(device_ptr) {
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int errors;
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Kokkos::parallel_reduce(Kokkos::RangePolicy<TEST_EXECSPACE>(0, 1), *this,
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errors);
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EXPECT_EQ(errors, 0);
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}
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};
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template <class Ptr>
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CheckSpecialMembersOnDevice<Ptr> check_special_members_on_device(Ptr p) {
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return {p};
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}
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} // namespace
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TEST(TEST_CATEGORY, host_shared_ptr_dereference_on_device) {
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using T = Data;
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using MemorySpace = TEST_EXECSPACE::memory_space;
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HostSharedPtr<T> device_ptr(
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static_cast<T*>(Kokkos::kokkos_malloc<MemorySpace>(sizeof(T))),
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[](T* p) { Kokkos::kokkos_free<MemorySpace>(p); });
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check_access_stored_pointer_and_dereference_on_device(device_ptr);
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}
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// FIXME_OPENMPTARGET
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#ifndef KOKKOS_ENABLE_OPENMPTARGET
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TEST(TEST_CATEGORY, host_shared_ptr_special_members_on_device) {
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using T = Data;
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using MemorySpace = TEST_EXECSPACE::memory_space;
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HostSharedPtr<T> device_ptr(
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static_cast<T*>(Kokkos::kokkos_malloc<MemorySpace>(sizeof(T))),
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[](T* p) { Kokkos::kokkos_free<MemorySpace>(p); });
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check_special_members_on_device(device_ptr);
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}
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#endif
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