196 lines
6.7 KiB
C++
196 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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#include <cstdio>
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#include <gtest/gtest.h>
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#include <Kokkos_Core.hpp>
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namespace Test {
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namespace {
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template <typename ExecSpace>
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struct TestViewCopy {
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using InExecSpace = ExecSpace;
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static void test_view_copy(const int dim0, const int dim1, const int dim2) {
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#if defined(KOKKOS_ENABLE_CUDA) || defined(KOKKOS_ENABLE_ROCM)
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// ExecSpace = CudaUVM, CudaHostPinned
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// This test will fail at runtime with an illegal memory access if something
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// goes wrong Test 1: deep_copy from host_mirror_space to ExecSpace and
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// ExecSpace back to host_mirror_space
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{
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typedef Kokkos::View<double****, InExecSpace> Rank4ViewType;
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Rank4ViewType view_4;
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view_4 = Rank4ViewType("view_4", dim0, dim1, dim2, dim2);
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typedef typename Kokkos::Impl::is_space<
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InExecSpace>::host_mirror_space::execution_space host_space_type;
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Kokkos::View<double**, Kokkos::LayoutLeft, host_space_type> srcView(
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"srcView", dim2, dim2);
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// Strided dst view
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auto dstView =
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Kokkos::subview(view_4, 0, 0, Kokkos::ALL(), Kokkos::ALL());
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// host_mirror_space to ExecSpace
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Kokkos::deep_copy(dstView, srcView);
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Kokkos::fence();
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// ExecSpace to host_mirror_space
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Kokkos::deep_copy(srcView, dstView);
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Kokkos::fence();
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}
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// Test 2: deep_copy from Cuda to ExecSpace and ExecSpace back to Cuda
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{
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typedef Kokkos::View<double****, InExecSpace> Rank4ViewType;
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Rank4ViewType view_4;
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view_4 = Rank4ViewType("view_4", dim0, dim1, dim2, dim2);
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#if defined(KOKKOS_ENABLE_CUDA)
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typedef typename std::conditional<
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Kokkos::Impl::MemorySpaceAccess<
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Kokkos::CudaSpace,
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typename InExecSpace::memory_space>::accessible,
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Kokkos::CudaSpace, InExecSpace>::type space_type;
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#endif
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#if defined(KOKKOS_ENABLE_ROCM)
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typedef typename std::conditional<
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Kokkos::Impl::MemorySpaceAccess<
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Kokkos::ROCmSpace,
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typename InExecSpace::memory_space>::accessible,
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Kokkos::ROCmSpace, InExecSpace>::type space_type;
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#endif
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Kokkos::View<double**, Kokkos::LayoutLeft, space_type> srcView(
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"srcView", dim2, dim2);
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// Strided dst view
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auto dstView =
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Kokkos::subview(view_4, 0, 0, Kokkos::ALL(), Kokkos::ALL());
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// Cuda to ExecSpace
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Kokkos::deep_copy(dstView, srcView);
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Kokkos::fence();
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// ExecSpace to Cuda
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Kokkos::deep_copy(srcView, dstView);
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Kokkos::fence();
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}
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// Test 3: deep_copy from host_space to ExecSpace and ExecSpace back to
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// host_space
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{
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typedef Kokkos::View<double****, InExecSpace> Rank4ViewType;
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Rank4ViewType view_4;
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view_4 = Rank4ViewType("view_4", dim0, dim1, dim2, dim2);
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typedef Kokkos::HostSpace host_space_type;
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Kokkos::View<double**, Kokkos::LayoutLeft, host_space_type> srcView(
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"srcView", dim2, dim2);
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// Strided dst view
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auto dstView =
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Kokkos::subview(view_4, 0, 0, Kokkos::ALL(), Kokkos::ALL());
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// host_space to ExecSpace
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Kokkos::deep_copy(dstView, srcView);
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Kokkos::fence();
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// ExecSpace to host_space
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Kokkos::deep_copy(srcView, dstView);
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Kokkos::fence();
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}
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#endif
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} // end test_view_copy
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}; // end struct
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} // namespace
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TEST(TEST_CATEGORY, view_copy_tests) {
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// Only include this file to be compiled with CudaUVM and CudaHostPinned
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TestViewCopy<TEST_EXECSPACE>::test_view_copy(4, 2, 3);
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TestViewCopy<TEST_EXECSPACE>::test_view_copy(4, 2, 0);
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}
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TEST(TEST_CATEGORY, view_copy_degenerated) {
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// Only include this file to be compiled with CudaUVM and CudaHostPinned
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Kokkos::View<int*, Kokkos::MemoryTraits<Kokkos::Unmanaged>> v_um_def_1;
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Kokkos::View<int*, Kokkos::MemoryTraits<Kokkos::Unmanaged>> v_um_1(
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reinterpret_cast<int*>(-1), 0);
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Kokkos::View<int*> v_m_def_1;
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Kokkos::View<int*> v_m_1("v_m_1", 0);
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Kokkos::View<int*, Kokkos::MemoryTraits<Kokkos::Unmanaged>> v_um_def_2;
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Kokkos::View<int*, Kokkos::MemoryTraits<Kokkos::Unmanaged>> v_um_2(
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reinterpret_cast<int*>(-1), 0);
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Kokkos::View<int*> v_m_def_2;
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Kokkos::View<int*> v_m_2("v_m_2", 0);
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Kokkos::deep_copy(v_um_def_1, v_um_def_2);
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Kokkos::deep_copy(v_um_def_1, v_um_2);
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Kokkos::deep_copy(v_um_def_1, v_m_def_2);
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Kokkos::deep_copy(v_um_def_1, v_m_2);
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Kokkos::deep_copy(v_um_1, v_um_def_2);
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Kokkos::deep_copy(v_um_1, v_um_2);
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Kokkos::deep_copy(v_um_1, v_m_def_2);
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Kokkos::deep_copy(v_um_1, v_m_2);
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Kokkos::deep_copy(v_m_def_1, v_um_def_2);
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Kokkos::deep_copy(v_m_def_1, v_um_2);
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Kokkos::deep_copy(v_m_def_1, v_m_def_2);
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Kokkos::deep_copy(v_m_def_1, v_m_2);
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Kokkos::deep_copy(v_m_1, v_um_def_2);
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Kokkos::deep_copy(v_m_1, v_um_2);
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Kokkos::deep_copy(v_m_1, v_m_def_2);
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Kokkos::deep_copy(v_m_1, v_m_2);
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}
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} // namespace Test
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