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lammps/lib/kokkos/containers/unit_tests/TestStaticCrsGraph.hpp
2018-11-12 15:16:26 -07:00

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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 <gtest/gtest.h>
#include <vector>
#include <Kokkos_StaticCrsGraph.hpp>
#include <Kokkos_Core.hpp>
/*--------------------------------------------------------------------------*/
namespace Test {
namespace TestStaticCrsGraph {
template< class Space >
void run_test_graph()
{
typedef Kokkos::StaticCrsGraph< unsigned , Space > dView ;
typedef typename dView::HostMirror hView ;
const unsigned LENGTH = 1000 ;
dView dx ;
hView hx ;
std::vector< std::vector< int > > graph( LENGTH );
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
graph[i].reserve(8);
for ( size_t j = 0 ; j < 8 ; ++j ) {
graph[i].push_back( i + j * 3 );
}
}
dx = Kokkos::create_staticcrsgraph<dView>( "dx" , graph );
hx = Kokkos::create_mirror( dx );
ASSERT_EQ( hx.row_map.extent(0) - 1 , LENGTH );
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
const size_t begin = hx.row_map[i];
const size_t n = hx.row_map[i+1] - begin ;
ASSERT_EQ( n , graph[i].size() );
for ( size_t j = 0 ; j < n ; ++j ) {
ASSERT_EQ( (int) hx.entries( j + begin ) , graph[i][j] );
}
}
// Test row view access
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
auto rowView = hx.rowConst(i);
ASSERT_EQ( rowView.length, graph[i].size() );
for ( size_t j = 0 ; j < rowView.length ; ++j ) {
ASSERT_EQ( rowView.colidx( j ) , graph[i][j] );
ASSERT_EQ( rowView( j ) , graph[i][j] );
}
}
}
template< class Space >
void run_test_graph2()
{
typedef Kokkos::StaticCrsGraph< unsigned[3] , Space > dView ;
typedef typename dView::HostMirror hView ;
const unsigned LENGTH = 10 ;
std::vector< size_t > sizes( LENGTH );
size_t total_length = 0 ;
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
total_length += ( sizes[i] = 6 + i % 4 );
}
dView dx = Kokkos::create_staticcrsgraph<dView>( "test" , sizes );
hView hx = Kokkos::create_mirror( dx );
hView mx = Kokkos::create_mirror( dx );
ASSERT_EQ( (size_t) dx.row_map.extent(0) , (size_t) LENGTH + 1 );
ASSERT_EQ( (size_t) hx.row_map.extent(0) , (size_t) LENGTH + 1 );
ASSERT_EQ( (size_t) mx.row_map.extent(0) , (size_t) LENGTH + 1 );
ASSERT_EQ( (size_t) dx.entries.extent(0) , (size_t) total_length );
ASSERT_EQ( (size_t) hx.entries.extent(0) , (size_t) total_length );
ASSERT_EQ( (size_t) mx.entries.extent(0) , (size_t) total_length );
ASSERT_EQ( (size_t) dx.entries.extent(1) , (size_t) 3 );
ASSERT_EQ( (size_t) hx.entries.extent(1) , (size_t) 3 );
ASSERT_EQ( (size_t) mx.entries.extent(1) , (size_t) 3 );
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
const size_t entry_begin = hx.row_map[i];
const size_t entry_end = hx.row_map[i+1];
for ( size_t j = entry_begin ; j < entry_end ; ++j ) {
hx.entries(j,0) = j + 1 ;
hx.entries(j,1) = j + 2 ;
hx.entries(j,2) = j + 3 ;
}
}
Kokkos::deep_copy( dx.entries , hx.entries );
Kokkos::deep_copy( mx.entries , dx.entries );
ASSERT_EQ( mx.row_map.extent(0) , (size_t) LENGTH + 1 );
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
const size_t entry_begin = mx.row_map[i];
const size_t entry_end = mx.row_map[i+1];
ASSERT_EQ( ( entry_end - entry_begin ) , sizes[i] );
for ( size_t j = entry_begin ; j < entry_end ; ++j ) {
ASSERT_EQ( (size_t) mx.entries( j , 0 ) , ( j + 1 ) );
ASSERT_EQ( (size_t) mx.entries( j , 1 ) , ( j + 2 ) );
ASSERT_EQ( (size_t) mx.entries( j , 2 ) , ( j + 3 ) );
}
}
}
template< class Space >
void run_test_graph3(size_t B, size_t N)
{
srand(10310);
typedef Kokkos::StaticCrsGraph< int , Space > dView ;
typedef typename dView::HostMirror hView ;
const unsigned LENGTH = 2000 ;
std::vector< size_t > sizes( LENGTH );
size_t total_length = 0 ;
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
sizes[i] = rand()%1000;
}
sizes[1] = N;
sizes[1998] = N;
for ( size_t i = 0 ; i < LENGTH ; ++i ) {
total_length += sizes[i];
}
int C = 0;
dView dx = Kokkos::create_staticcrsgraph<dView>( "test" , sizes );
dx.create_block_partitioning(B,C);
hView hx = Kokkos::create_mirror( dx );
for( size_t i = 0; i<B; i++) {
size_t ne = 0;
for(size_t j = hx.row_block_offsets(i); j<hx.row_block_offsets(i+1); j++)
ne += hx.row_map(j+1)-hx.row_map(j)+C;
ASSERT_FALSE((ne>2*((hx.row_map(hx.numRows())+C*hx.numRows())/B))&&(hx.row_block_offsets(i+1)>hx.row_block_offsets(i)+1));
}
}
template< class Space >
void run_test_graph4()
{
typedef unsigned ordinal_type;
typedef Kokkos::LayoutRight layout_type;
typedef Space space_type;
typedef Kokkos::MemoryUnmanaged memory_traits_type;
#ifdef KOKKOS_ENABLE_DEPRECATED_CODE
typedef Kokkos::StaticCrsGraph< ordinal_type , layout_type , space_type , ordinal_type , memory_traits_type > dView ;
#else
typedef Kokkos::StaticCrsGraph< ordinal_type , layout_type , space_type , memory_traits_type > dView ;
#endif
typedef typename dView::HostMirror hView ;
dView dx ;
// StaticCrsGraph with Unmanaged trait will contain row_map and entries members
// with the Unmanaged memory trait.
// Use of such a StaticCrsGraph requires an allocaton of memory for the unmanaged views
// to wrap.
//
// In this test, a graph (via raw arrays) resides on the host.
// The pointers are wrapped by unmanaged Views.
// To make use of this on the device, managed device Views are created (allocation required),
// and data from the unmanaged host views is deep copied to the device Views
// Unmanaged views of the appropriate type wrap the device data and are assigned to
// their corresponding unmanaged view members of the unmanaged StaticCrsGraph
// Data types for raw pointers storing StaticCrsGraph info
typedef typename dView::size_type ptr_row_map_type;
typedef typename dView::data_type ptr_entries_type;
const ordinal_type numRows = 8;
const ordinal_type nnz = 24;
ptr_row_map_type ptrRaw[] = {0, 4, 8, 10, 12, 14, 16, 20, 24};
ptr_entries_type indRaw[] = {0, 1, 4, 5, 0, 1, 4, 5, 2, 3, 2, 3, 4, 5, 4, 5, 2, 3, 6, 7, 2, 3, 6, 7};
// Wrap pointers in unmanaged host views
typedef typename hView::row_map_type local_row_map_type ;
typedef typename hView::entries_type local_entries_type ;
local_row_map_type unman_row_map( &(ptrRaw[0]) , numRows+1 );
local_entries_type unman_entries( &(indRaw[0]) , nnz );
hView hx ;
hx = hView( unman_entries, unman_row_map );
// Create the device Views for copying the host arrays into
// An allocation is needed on the device for the unmanaged StaticCrsGraph to wrap the pointer
typedef typename Kokkos::View< ptr_row_map_type*, layout_type, space_type > d_row_map_view_type;
typedef typename Kokkos::View< ptr_entries_type*, layout_type, space_type > d_entries_view_type;
d_row_map_view_type tmp_row_map( "tmp_row_map", numRows+1 );
d_entries_view_type tmp_entries( "tmp_entries", nnz );
Kokkos::deep_copy (tmp_row_map, unman_row_map);
Kokkos::deep_copy (tmp_entries, unman_entries);
// Wrap the pointer in unmanaged View and assign to the corresponding StaticCrsGraph member
dx.row_map = typename dView::row_map_type(tmp_row_map.data(), numRows+1);
dx.entries = typename dView::entries_type(tmp_entries.data(), nnz);
ASSERT_TRUE((std::is_same< typename dView::row_map_type::memory_traits , Kokkos::MemoryUnmanaged >::value));
ASSERT_TRUE((std::is_same< typename dView::entries_type::memory_traits , Kokkos::MemoryUnmanaged >::value));
ASSERT_TRUE((std::is_same< typename hView::row_map_type::memory_traits , Kokkos::MemoryUnmanaged >::value));
ASSERT_TRUE((std::is_same< typename hView::entries_type::memory_traits , Kokkos::MemoryUnmanaged >::value));
}
} /* namespace TestStaticCrsGraph */
TEST_F( TEST_CATEGORY , staticcrsgraph )
{
TestStaticCrsGraph::run_test_graph< TEST_EXECSPACE >();
TestStaticCrsGraph::run_test_graph2< TEST_EXECSPACE >();
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(1, 0);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(1, 1000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(1, 10000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(1, 100000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(3, 0);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(3, 1000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(3, 10000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(3, 100000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(75, 0);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(75, 1000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(75, 10000);
TestStaticCrsGraph::run_test_graph3< TEST_EXECSPACE >(75, 100000);
TestStaticCrsGraph::run_test_graph4< TEST_EXECSPACE >();
}
}