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TestViewCopy.hpp
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TestViewCopy.hpp
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/*
//@HEADER
// ************************************************************************
//
// Kokkos v. 2.0
// Copyright (2014) Sandia Corporation
//
// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
// 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 SANDIA CORPORATION "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 SANDIA CORPORATION 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 <cstdio>
#include <gtest/gtest.h>
#include <Kokkos_Core.hpp>
namespace Test {
namespace {
template < typename ExecSpace >
struct TestViewCopy {
using InExecSpace = ExecSpace;
static void test_view_copy(const int dim0, const int dim1, const int dim2)
{
#if defined( KOKKOS_ENABLE_CUDA ) || defined( KOKKOS_ENABLE_ROCM )
// ExecSpace = CudaUVM, CudaHostPinned
// This test will fail at runtime with an illegal memory access if something goes wrong
// Test 1: deep_copy from host_mirror_space to ExecSpace and ExecSpace back to host_mirror_space
{
typedef Kokkos::View<double****,InExecSpace> Rank4ViewType;
Rank4ViewType view_4;
view_4 = Rank4ViewType("view_4", dim0, dim1, dim2, dim2);
typedef typename Kokkos::Impl::is_space<InExecSpace>::host_mirror_space::execution_space host_space_type;
Kokkos::View<double**,Kokkos::LayoutLeft,host_space_type> srcView("srcView", dim2, dim2);
// Strided dst view
auto dstView = Kokkos::subview(view_4, 0, 0, Kokkos::ALL(), Kokkos::ALL());
// host_mirror_space to ExecSpace
Kokkos::deep_copy( dstView, srcView );
Kokkos::fence();
// ExecSpace to host_mirror_space
Kokkos::deep_copy( srcView, dstView );
Kokkos::fence();
}
// Test 2: deep_copy from Cuda to ExecSpace and ExecSpace back to Cuda
{
typedef Kokkos::View<double****,InExecSpace> Rank4ViewType;
Rank4ViewType view_4;
view_4 = Rank4ViewType("view_4", dim0, dim1, dim2, dim2);
#if defined( KOKKOS_ENABLE_CUDA )
typedef Kokkos::Cuda space_type;
#endif
#if defined( KOKKOS_ENABLE_ROCM )
typedef Kokkos::Experimental::ROCm space_type;
#endif
Kokkos::View<double**,Kokkos::LayoutLeft,space_type> srcView("srcView", dim2, dim2);
// Strided dst view
auto dstView = Kokkos::subview(view_4, 0, 0, Kokkos::ALL(), Kokkos::ALL());
// Cuda to ExecSpace
Kokkos::deep_copy( dstView, srcView );
Kokkos::fence();
// ExecSpace to Cuda
Kokkos::deep_copy( srcView, dstView );
Kokkos::fence();
}
// Test 3: deep_copy from host_space to ExecSpace and ExecSpace back to host_space
{
typedef Kokkos::View<double****,InExecSpace> Rank4ViewType;
Rank4ViewType view_4;
view_4 = Rank4ViewType("view_4", dim0, dim1, dim2, dim2);
typedef Kokkos::HostSpace host_space_type;
Kokkos::View<double**,Kokkos::LayoutLeft,host_space_type> srcView("srcView", dim2, dim2);
// Strided dst view
auto dstView = Kokkos::subview(view_4, 0, 0, Kokkos::ALL(), Kokkos::ALL());
// host_space to ExecSpace
Kokkos::deep_copy( dstView, srcView );
Kokkos::fence();
// ExecSpace to host_space
Kokkos::deep_copy( srcView, dstView );
Kokkos::fence();
}
#endif
} // end test_view_copy
}; // end struct
} // namespace
TEST_F( TEST_CATEGORY , view_copy_tests ) {
//Only include this file to be compiled with CudaUVM and CudaHostPinned
TestViewCopy< TEST_EXECSPACE >::test_view_copy(4,2,3);
TestViewCopy< TEST_EXECSPACE >::test_view_copy(4,2,0);
}
} // namespace Test