224 lines
7.3 KiB
C++
224 lines
7.3 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 <vector>
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#include <Kokkos_Core.hpp>
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namespace Test {
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namespace {
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template< class ExecSpace >
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struct CountFillFunctor {
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KOKKOS_INLINE_FUNCTION
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std::int32_t operator()(std::int32_t row, std::int32_t* fill) const {
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auto n = (row % 4) + 1;
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if (fill) {
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for (std::int32_t j = 0; j < n; ++j) {
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fill[j] = j + 1;
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}
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}
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return n;
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}
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};
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/* RunUpdateCrsTest
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* 4 test cases:
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* 1. use member object version which is constructed directly using the copy constructor
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* 2. excplicity copy construct in local variable
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* 3. construct default and assign to input object
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* 4. construct object from views
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*/
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template< class CrsType, class ExecSpace, class scalarType >
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struct RunUpdateCrsTest {
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struct TestOne {};
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struct TestTwo {};
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struct TestThree {};
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struct TestFour {};
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CrsType graph;
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RunUpdateCrsTest( CrsType g_in ) : graph(g_in)
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{
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}
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void run_test(int nTest) {
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switch (nTest)
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{
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case 1:
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parallel_for ("TestCrs1", Kokkos::RangePolicy<ExecSpace, TestOne>(0,graph.numRows()),*this);
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break;
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case 2:
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parallel_for ("TestCrs2", Kokkos::RangePolicy<ExecSpace, TestTwo>(0,graph.numRows()),*this);
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break;
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case 3:
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parallel_for ("TestCrs3", Kokkos::RangePolicy<ExecSpace, TestThree>(0,graph.numRows()),*this);
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break;
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case 4:
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parallel_for ("TestCrs4", Kokkos::RangePolicy<ExecSpace, TestFour>(0,graph.numRows()),*this);
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break;
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default:
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break;
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}
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}
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KOKKOS_INLINE_FUNCTION
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void updateGraph(const CrsType & g_in, const scalarType row) const {
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auto row_map = g_in.row_map;
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auto entries = g_in.entries;
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auto j_start = row_map(row);
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auto j_end = row_map(row+1)-j_start;
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for (scalarType j = 0; j < j_end; ++j) {
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entries(j_start+j) = (j+1)*(j+1);
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}
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}
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// Test Crs class from class member
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KOKKOS_INLINE_FUNCTION
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void operator()(const TestOne &, const scalarType row) const {
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updateGraph(graph, row);
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}
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// Test Crs class from copy constructor (local_graph(graph)
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KOKKOS_INLINE_FUNCTION
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void operator()(const TestTwo &, const scalarType row) const {
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CrsType local_graph(graph);
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updateGraph(local_graph, row);
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}
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// Test Crs class from default constructor assigned to function parameter
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KOKKOS_INLINE_FUNCTION
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void operator()(const TestThree &, const scalarType row) const {
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CrsType local_graph;
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local_graph = graph;
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updateGraph(local_graph, row);
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}
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// Test Crs class from local graph constructed from row_map and entities access on input parameter)
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KOKKOS_INLINE_FUNCTION
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void operator()(const TestFour &, const scalarType row) const {
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CrsType local_graph(graph.row_map, graph.entries);
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updateGraph(local_graph, row);
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}
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};
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template< class ExecSpace >
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void test_count_fill(std::int32_t nrows) {
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Kokkos::Crs<std::int32_t, ExecSpace, void, std::int32_t> graph;
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Kokkos::count_and_fill_crs(graph, nrows, CountFillFunctor<ExecSpace>());
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ASSERT_EQ(graph.numRows(), nrows);
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auto row_map = Kokkos::create_mirror_view(graph.row_map);
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Kokkos::deep_copy(row_map, graph.row_map);
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auto entries = Kokkos::create_mirror_view(graph.entries);
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Kokkos::deep_copy(entries, graph.entries);
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for (std::int32_t row = 0; row < nrows; ++row) {
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auto n = (row % 4) + 1;
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ASSERT_EQ(row_map(row + 1) - row_map(row), n);
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for (std::int32_t j = 0; j < n; ++j) {
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ASSERT_EQ(entries(row_map(row) + j), j + 1);
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}
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}
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}
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// Test Crs Constructor / assignment operation by
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// using count and fill to create/populate initial graph,
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// then use parallel_for with Crs directly to update content
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// then verify results
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template< class ExecSpace >
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void test_constructor(std::int32_t nrows) {
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for (int nTest = 1; nTest < 5; nTest++)
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{
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typedef Kokkos::Crs<std::int32_t, ExecSpace, void, std::int32_t> crs_int32;
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crs_int32 graph;
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Kokkos::count_and_fill_crs(graph, nrows, CountFillFunctor<ExecSpace>());
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ASSERT_EQ(graph.numRows(), nrows);
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RunUpdateCrsTest<crs_int32, ExecSpace, std::int32_t> crstest(graph);
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crstest.run_test(nTest);
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auto row_map = Kokkos::create_mirror_view(graph.row_map);
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Kokkos::deep_copy(row_map, graph.row_map);
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auto entries = Kokkos::create_mirror_view(graph.entries);
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Kokkos::deep_copy(entries, graph.entries);
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for (std::int32_t row = 0; row < nrows; ++row) {
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auto n = (row % 4) + 1;
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ASSERT_EQ(row_map(row + 1) - row_map(row), n);
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for (std::int32_t j = 0; j < n; ++j) {
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ASSERT_EQ(entries(row_map(row) + j), (j + 1)*(j+1));
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}
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}
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}
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}
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} // anonymous namespace
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TEST_F( TEST_CATEGORY, crs_count_fill )
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{
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test_count_fill<TEST_EXECSPACE>(0);
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test_count_fill<TEST_EXECSPACE>(1);
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test_count_fill<TEST_EXECSPACE>(2);
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test_count_fill<TEST_EXECSPACE>(3);
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test_count_fill<TEST_EXECSPACE>(13);
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test_count_fill<TEST_EXECSPACE>(100);
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test_count_fill<TEST_EXECSPACE>(1000);
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test_count_fill<TEST_EXECSPACE>(10000);
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}
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TEST_F( TEST_CATEGORY, crs_copy_constructor )
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{
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test_constructor<TEST_EXECSPACE>(0);
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test_constructor<TEST_EXECSPACE>(1);
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test_constructor<TEST_EXECSPACE>(2);
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test_constructor<TEST_EXECSPACE>(3);
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test_constructor<TEST_EXECSPACE>(13);
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test_constructor<TEST_EXECSPACE>(100);
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test_constructor<TEST_EXECSPACE>(1000);
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test_constructor<TEST_EXECSPACE>(10000);
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}
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} // namespace Test
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