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//---------------------------------------------------------------------------//
// Copyright (c) 2013 Kyle Lutz <kyle.r.lutz@gmail.com>
//
// Distributed under the Boost Software License, Version 1.0
// See accompanying file LICENSE_1_0.txt or copy at
// http://www.boost.org/LICENSE_1_0.txt
//
// See http://boostorg.github.com/compute for more information.
//---------------------------------------------------------------------------//
#define BOOST_TEST_MODULE TestInplaceReduce
#include <boost/test/unit_test.hpp>
#include <iostream>
#include <boost/compute/system.hpp>
#include <boost/compute/functional.hpp>
#include <boost/compute/algorithm/iota.hpp>
#include <boost/compute/algorithm/detail/inplace_reduce.hpp>
#include <boost/compute/container/vector.hpp>
#include "quirks.hpp"
#include "context_setup.hpp"
BOOST_AUTO_TEST_CASE(sum_int)
{
if(is_apple_cpu_device(device)) {
std::cerr
<< "skipping all inplace_reduce tests due to Apple platform"
<< " behavior when local memory is used on a CPU device"
<< std::endl;
return;
}
int data[] = { 1, 5, 3, 4, 9, 3, 5, 3 };
boost::compute::vector<int> vector(data, data + 8, queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(33));
vector.assign(data, data + 8);
vector.push_back(3);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(36));
}
BOOST_AUTO_TEST_CASE(multiply_int)
{
if(is_apple_cpu_device(device)) {
return;
}
int data[] = { 1, 5, 3, 4, 9, 3, 5, 3 };
boost::compute::vector<int> vector(data, data + 8, queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::multiplies<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(24300));
vector.assign(data, data + 8);
vector.push_back(3);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::multiplies<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(72900));
}
BOOST_AUTO_TEST_CASE(reduce_iota)
{
if(is_apple_cpu_device(device)) {
return;
}
// 1 value
boost::compute::vector<int> vector(1, context);
boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(0));
// 1000 values
vector.resize(1000);
boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(499500));
// 2499 values
vector.resize(2499);
boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(3121251));
// 4096 values
vector.resize(4096);
boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(8386560));
// 5000 values
vector.resize(5000);
boost::compute::iota(vector.begin(), vector.end(), int(0), queue);
boost::compute::detail::inplace_reduce(vector.begin(),
vector.end(),
boost::compute::plus<int>(),
queue);
queue.finish();
BOOST_CHECK_EQUAL(int(vector[0]), int(12497500));
}
BOOST_AUTO_TEST_SUITE_END()
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