217 lines
7.9 KiB
C++
217 lines
7.9 KiB
C++
/*
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//@HEADER
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// ************************************************************************
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//
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// Kokkos v. 2.0
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// Copyright (2014) Sandia Corporation
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//
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// Under the terms of Contract DE-AC04-94AL85000 with Sandia Corporation,
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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 SANDIA CORPORATION "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 SANDIA CORPORATION 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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#include <Kokkos_DynRankView.hpp>
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#include <type_traits>
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#include <typeinfo>
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namespace Test {
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namespace {
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template <typename ExecSpace >
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struct TestViewCtorProp_EmbeddedDim {
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using ViewIntType = typename Kokkos::View< int**, ExecSpace >;
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using ViewDoubleType = typename Kokkos::View< double*, ExecSpace >;
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using DynRankViewIntType = typename Kokkos::DynRankView< int, ExecSpace >;
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using DynRankViewDoubleType = typename Kokkos::DynRankView< double, ExecSpace >;
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// Cuda 7.0 has issues with using a lamda in parallel_for to initialize the view - replace with this functor
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template < class ViewType >
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struct Functor {
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ViewType v;
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Functor( const ViewType & v_ ) : v(v_) {}
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KOKKOS_INLINE_FUNCTION
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void operator()( const int i ) const {
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v(i) = i;
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}
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};
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static void test_vcpt( const int N0, const int N1 )
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{
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// Create two views to test
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{
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using VIT = typename TestViewCtorProp_EmbeddedDim::ViewIntType ;
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using VDT = typename TestViewCtorProp_EmbeddedDim::ViewDoubleType ;
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VIT vi1("vi1", N0, N1);
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VDT vd1("vd1", N0);
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// TEST: Test for common type between two views, one with type double, other with type int
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// Deduce common value_type and construct a view with that type
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{
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// Two views
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auto view_alloc_arg = Kokkos::common_view_alloc_prop(vi1, vd1);
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typedef typename decltype( view_alloc_arg )::value_type CommonViewValueType;
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typedef typename Kokkos::View< CommonViewValueType*, ExecSpace > CVT;
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typedef typename CVT::HostMirror HostCVT;
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// Construct View using the common type; for case of specialization, an 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1( Kokkos::view_alloc( "cv1", view_alloc_arg ), N0*N1 );
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Kokkos::parallel_for( Kokkos::RangePolicy< ExecSpace >(0, N0*N1),
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Functor<CVT>(cv1)
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);
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HostCVT hcv1 = Kokkos::create_mirror_view( cv1 );
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Kokkos::deep_copy( hcv1, cv1 );
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ASSERT_EQ( (std::is_same< CommonViewValueType, double >::value) , true ) ;
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#if 0
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// debug output
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for ( int i = 0; i < N0*N1; ++i ) {
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printf(" Output check: hcv1(%d) = %lf\n ", i, hcv1(i) );
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}
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printf( " Common value type view: %s \n", typeid( CVT() ).name() );
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printf( " Common value type: %s \n", typeid( CommonViewValueType() ).name() );
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if ( std::is_same< CommonViewValueType, double >::value == true ) {
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printf("Proper common value_type\n");
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}
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else {
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printf("WRONG common value_type\n");
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}
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// end debug output
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#endif
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}
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{
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// Single view
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auto view_alloc_arg = Kokkos::common_view_alloc_prop(vi1);
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typedef typename decltype( view_alloc_arg )::value_type CommonViewValueType;
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typedef typename Kokkos::View< CommonViewValueType*, ExecSpace > CVT;
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typedef typename CVT::HostMirror HostCVT;
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// Construct View using the common type; for case of specialization, an 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1( Kokkos::view_alloc( "cv1", view_alloc_arg ), N0*N1 );
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Kokkos::parallel_for( Kokkos::RangePolicy< ExecSpace >(0, N0*N1),
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Functor<CVT>(cv1)
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);
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HostCVT hcv1 = Kokkos::create_mirror_view( cv1 );
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Kokkos::deep_copy( hcv1, cv1 );
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ASSERT_EQ( (std::is_same< CommonViewValueType, int>::value) , true ) ;
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}
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}
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// Create two dynamic rank views to test
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{
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using VIT = typename TestViewCtorProp_EmbeddedDim::DynRankViewIntType ;
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using VDT = typename TestViewCtorProp_EmbeddedDim::DynRankViewDoubleType ;
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VIT vi1("vi1", N0, N1);
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VDT vd1("vd1", N0);
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// TEST: Test for common type between two views, one with type double, other with type int
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// Deduce common value_type and construct a view with that type
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{
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// Two views
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auto view_alloc_arg = Kokkos::common_view_alloc_prop( vi1, vd1 );
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typedef typename decltype( view_alloc_arg )::value_type CommonViewValueType;
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typedef typename Kokkos::View< CommonViewValueType*, ExecSpace > CVT;
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typedef typename CVT::HostMirror HostCVT;
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// Construct View using the common type; for case of specialization, an 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1( Kokkos::view_alloc( "cv1", view_alloc_arg ), N0*N1 );
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Kokkos::parallel_for( Kokkos::RangePolicy< ExecSpace >(0, N0*N1),
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Functor<CVT>(cv1)
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);
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HostCVT hcv1 = Kokkos::create_mirror_view( cv1 );
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Kokkos::deep_copy( hcv1, cv1 );
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ASSERT_EQ( (std::is_same< CommonViewValueType, double >::value) , true ) ;
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}
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{
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// Single views
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auto view_alloc_arg = Kokkos::common_view_alloc_prop( vi1 );
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typedef typename decltype( view_alloc_arg )::value_type CommonViewValueType;
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typedef typename Kokkos::View< CommonViewValueType*, ExecSpace > CVT;
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typedef typename CVT::HostMirror HostCVT;
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// Construct View using the common type; for case of specialization, an 'embedded_dim' would be stored by view_alloc_arg
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CVT cv1( Kokkos::view_alloc( "cv1", view_alloc_arg ), N0*N1 );
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Kokkos::parallel_for( Kokkos::RangePolicy< ExecSpace >(0, N0*N1),
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Functor<CVT>(cv1)
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);
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HostCVT hcv1 = Kokkos::create_mirror_view( cv1 );
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Kokkos::deep_copy( hcv1, cv1 );
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ASSERT_EQ( (std::is_same< CommonViewValueType, int>::value) , true ) ;
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}
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}
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} // end test_vcpt
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}; // end struct
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} // namespace
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TEST_F( TEST_CATEGORY, viewctorprop_embedded_dim ) {
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TestViewCtorProp_EmbeddedDim< TEST_EXECSPACE >::test_vcpt( 2, 3 );
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}
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} // namespace Test
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