FM / algorithm

/usr/include/boost/compute/algorithm

Name	Size	Mode	Actions
detail/	-	0755	rm
accumulate.hpp	6375	0644	edit dl rm
adjacent_difference.hpp	4416	0644	edit dl rm
adjacent_find.hpp	5313	0644	edit dl rm
all_of.hpp	1427	0644	edit dl rm
any_of.hpp	1544	0644	edit dl rm
binary_search.hpp	1480	0644	edit dl rm
copy.hpp	31483	0644	edit dl rm
copy_if.hpp	2574	0644	edit dl rm
copy_n.hpp	1940	0644	edit dl rm
count.hpp	2103	0644	edit dl rm
count_if.hpp	2388	0644	edit dl rm
equal.hpp	2209	0644	edit dl rm
equal_range.hpp	1636	0644	edit dl rm
exclusive_scan.hpp	4042	0644	edit dl rm
fill.hpp	10030	0644	edit dl rm
fill_n.hpp	1367	0644	edit dl rm
find.hpp	2004	0644	edit dl rm
find_end.hpp	4772	0644	edit dl rm
find_if.hpp	1504	0644	edit dl rm
find_if_not.hpp	1652	0644	edit dl rm
for_each.hpp	2131	0644	edit dl rm
for_each_n.hpp	1423	0644	edit dl rm
gather.hpp	2796	0644	edit dl rm
generate.hpp	1903	0644	edit dl rm
generate_n.hpp	1277	0644	edit dl rm
includes.hpp	5615	0644	edit dl rm
inclusive_scan.hpp	3402	0644	edit dl rm
inner_product.hpp	3849	0644	edit dl rm
inplace_merge.hpp	2047	0644	edit dl rm
iota.hpp	1735	0644	edit dl rm
is_partitioned.hpp	1785	0644	edit dl rm
is_permutation.hpp	2744	0644	edit dl rm
is_sorted.hpp	2436	0644	edit dl rm
lexicographical_compare.hpp	4950	0644	edit dl rm
lower_bound.hpp	1573	0644	edit dl rm
max_element.hpp	2781	0644	edit dl rm
merge.hpp	5037	0644	edit dl rm
minmax_element.hpp	2668	0644	edit dl rm
min_element.hpp	2780	0644	edit dl rm
mismatch.hpp	3409	0644	edit dl rm
next_permutation.hpp	5703	0644	edit dl rm
none_of.hpp	1426	0644	edit dl rm
nth_element.hpp	2868	0644	edit dl rm
partial_sum.hpp	1676	0644	edit dl rm
partition.hpp	1523	0644	edit dl rm
partition_copy.hpp	2592	0644	edit dl rm
partition_point.hpp	1858	0644	edit dl rm
prev_permutation.hpp	5695	0644	edit dl rm
random_shuffle.hpp	3010	0644	edit dl rm
reduce.hpp	11454	0644	edit dl rm
reduce_by_key.hpp	5933	0644	edit dl rm
remove.hpp	2002	0644	edit dl rm
remove_if.hpp	1850	0644	edit dl rm
replace.hpp	2588	0644	edit dl rm
replace_copy.hpp	2230	0644	edit dl rm
reverse.hpp	2438	0644	edit dl rm
reverse_copy.hpp	2678	0644	edit dl rm
rotate.hpp	1813	0644	edit dl rm
rotate_copy.hpp	1529	0644	edit dl rm
scatter.hpp	3435	0644	edit dl rm
scatter_if.hpp	4730	0644	edit dl rm
search.hpp	2967	0644	edit dl rm
search_n.hpp	4428	0644	edit dl rm
set_difference.hpp	6941	0644	edit dl rm
set_intersection.hpp	6646	0644	edit dl rm
set_symmetric_difference.hpp	7533	0644	edit dl rm
set_union.hpp	7384	0644	edit dl rm
sort.hpp	6569	0644	edit dl rm
sort_by_key.hpp	6156	0644	edit dl rm
stable_partition.hpp	2737	0644	edit dl rm
stable_sort.hpp	3809	0644	edit dl rm
stable_sort_by_key.hpp	6071	0644	edit dl rm
swap_ranges.hpp	1870	0644	edit dl rm
transform.hpp	3252	0644	edit dl rm
transform_if.hpp	4737	0644	edit dl rm
transform_reduce.hpp	3683	0644	edit dl rm
unique.hpp	2565	0644	edit dl rm
unique_copy.hpp	6429	0644	edit dl rm
upper_bound.hpp	1561	0644	edit dl rm

Edit: /usr/include/boost/compute/algorithm/sort_by_key.hpp (6156B)

//---------------------------------------------------------------------------//
// 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.
//---------------------------------------------------------------------------//

#ifndef BOOST_COMPUTE_ALGORITHM_SORT_BY_KEY_HPP
#define BOOST_COMPUTE_ALGORITHM_SORT_BY_KEY_HPP

#include <iterator>

#include <boost/static_assert.hpp>
#include <boost/utility/enable_if.hpp>

#include <boost/compute/system.hpp>
#include <boost/compute/command_queue.hpp>
#include <boost/compute/algorithm/detail/merge_sort_on_cpu.hpp>
#include <boost/compute/algorithm/detail/merge_sort_on_gpu.hpp>
#include <boost/compute/algorithm/detail/insertion_sort.hpp>
#include <boost/compute/algorithm/detail/radix_sort.hpp>
#include <boost/compute/algorithm/reverse.hpp>
#include <boost/compute/detail/iterator_range_size.hpp>
#include <boost/compute/type_traits/is_device_iterator.hpp>

namespace boost {
namespace compute {
namespace detail {

template<class KeyIterator, class ValueIterator>
inline void
dispatch_gpu_sort_by_key(KeyIterator keys_first,
                         KeyIterator keys_last,
                         ValueIterator values_first,
                         less<typename std::iterator_traits<KeyIterator>::value_type> compare,
                         command_queue &queue,
                         typename boost::enable_if_c<
                             is_radix_sortable<
                                 typename std::iterator_traits<KeyIterator>::value_type
                             >::value
                         >::type* = 0)
{
    size_t count = detail::iterator_range_size(keys_first, keys_last);

if(count < 32){
        detail::serial_insertion_sort_by_key(
            keys_first, keys_last, values_first, compare, queue
        );
    }
    else {
        detail::radix_sort_by_key(
            keys_first, keys_last, values_first, queue
        );
    }
}

template<class KeyIterator, class ValueIterator>
inline void
dispatch_gpu_sort_by_key(KeyIterator keys_first,
                         KeyIterator keys_last,
                         ValueIterator values_first,
                         greater<typename std::iterator_traits<KeyIterator>::value_type> compare,
                         command_queue &queue,
                         typename boost::enable_if_c<
                             is_radix_sortable<
                                 typename std::iterator_traits<KeyIterator>::value_type
                             >::value
                         >::type* = 0)
{
    size_t count = detail::iterator_range_size(keys_first, keys_last);

if(count < 32){
        detail::serial_insertion_sort_by_key(
            keys_first, keys_last, values_first, compare, queue
        );
    }
    else {
        // radix sorts in descending order
        detail::radix_sort_by_key(
            keys_first, keys_last, values_first, false, queue
        );
    }
}

template<class KeyIterator, class ValueIterator, class Compare>
inline void dispatch_gpu_sort_by_key(KeyIterator keys_first,
                                     KeyIterator keys_last,
                                     ValueIterator values_first,
                                     Compare compare,
                                     command_queue &queue)
{
    size_t count = detail::iterator_range_size(keys_first, keys_last);

if(count < 32){
        detail::serial_insertion_sort_by_key(
            keys_first, keys_last, values_first, compare, queue
        );
    } else {
        detail::merge_sort_by_key_on_gpu(
            keys_first, keys_last, values_first, compare, queue
        );
    }
}

template<class KeyIterator, class ValueIterator, class Compare>
inline void dispatch_sort_by_key(KeyIterator keys_first,
                                 KeyIterator keys_last,
                                 ValueIterator values_first,
                                 Compare compare,
                                 command_queue &queue)
{
    if(queue.get_device().type() & device::gpu) {
        dispatch_gpu_sort_by_key(keys_first, keys_last, values_first, compare, queue);
        return;
    }
    ::boost::compute::detail::merge_sort_by_key_on_cpu(
        keys_first, keys_last, values_first, compare, queue
    );
}

} // end detail namespace

/// Performs a key-value sort using the keys in the range [\p keys_first,
/// \p keys_last) on the values in the range [\p values_first,
/// \p values_first \c + (\p keys_last \c - \p keys_first)) using \p compare.
///
/// If no compare function is specified, \c less is used.
///
/// Space complexity: \Omega(2n)
///
/// \see sort()
template<class KeyIterator, class ValueIterator, class Compare>
inline void sort_by_key(KeyIterator keys_first,
                        KeyIterator keys_last,
                        ValueIterator values_first,
                        Compare compare,
                        command_queue &queue = system::default_queue())
{
    BOOST_STATIC_ASSERT(is_device_iterator<KeyIterator>::value);
    BOOST_STATIC_ASSERT(is_device_iterator<ValueIterator>::value);
    ::boost::compute::detail::dispatch_sort_by_key(
        keys_first, keys_last, values_first, compare, queue
    );
}

/// \overload
template<class KeyIterator, class ValueIterator>
inline void sort_by_key(KeyIterator keys_first,
                        KeyIterator keys_last,
                        ValueIterator values_first,
                        command_queue &queue = system::default_queue())
{
    BOOST_STATIC_ASSERT(is_device_iterator<KeyIterator>::value);
    BOOST_STATIC_ASSERT(is_device_iterator<ValueIterator>::value);
    typedef typename std::iterator_traits<KeyIterator>::value_type key_type;

::boost::compute::sort_by_key(
        keys_first, keys_last, values_first, less<key_type>(), queue
    );
}

} // end compute namespace
} // end boost namespace

#endif // BOOST_COMPUTE_ALGORITHM_SORT_BY_KEY_HPP

//---------------------------------------------------------------------------// // Copyright (c) 2013 Kyle Lutz // // 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. //---------------------------------------------------------------------------// #ifndef BOOST_COMPUTE_ALGORITHM_SORT_BY_KEY_HPP #define BOOST_COMPUTE_ALGORITHM_SORT_BY_KEY_HPP #include #include #include #include #include #include #include #include #include #include #include #include namespace boost { namespace compute { namespace detail { template inline void dispatch_gpu_sort_by_key(KeyIterator keys_first, KeyIterator keys_last, ValueIterator values_first, less::value_type> compare, command_queue &queue, typename boost::enable_if_c< is_radix_sortable< typename std::iterator_traits::value_type >::value >::type* = 0) { size_t count = detail::iterator_range_size(keys_first, keys_last); if(count < 32){ detail::serial_insertion_sort_by_key( keys_first, keys_last, values_first, compare, queue ); } else { detail::radix_sort_by_key( keys_first, keys_last, values_first, queue ); } } template inline void dispatch_gpu_sort_by_key(KeyIterator keys_first, KeyIterator keys_last, ValueIterator values_first, greater::value_type> compare, command_queue &queue, typename boost::enable_if_c< is_radix_sortable< typename std::iterator_traits::value_type >::value >::type* = 0) { size_t count = detail::iterator_range_size(keys_first, keys_last); if(count < 32){ detail::serial_insertion_sort_by_key( keys_first, keys_last, values_first, compare, queue ); } else { // radix sorts in descending order detail::radix_sort_by_key( keys_first, keys_last, values_first, false, queue ); } } template inline void dispatch_gpu_sort_by_key(KeyIterator keys_first, KeyIterator keys_last, ValueIterator values_first, Compare compare, command_queue &queue) { size_t count = detail::iterator_range_size(keys_first, keys_last); if(count < 32){ detail::serial_insertion_sort_by_key( keys_first, keys_last, values_first, compare, queue ); } else { detail::merge_sort_by_key_on_gpu( keys_first, keys_last, values_first, compare, queue ); } } template inline void dispatch_sort_by_key(KeyIterator keys_first, KeyIterator keys_last, ValueIterator values_first, Compare compare, command_queue &queue) { if(queue.get_device().type() & device::gpu) { dispatch_gpu_sort_by_key(keys_first, keys_last, values_first, compare, queue); return; } ::boost::compute::detail::merge_sort_by_key_on_cpu( keys_first, keys_last, values_first, compare, queue ); } } // end detail namespace /// Performs a key-value sort using the keys in the range [\p keys_first, /// \p keys_last) on the values in the range [\p values_first, /// \p values_first \c + (\p keys_last \c - \p keys_first)) using \p compare. /// /// If no compare function is specified, \c less is used. /// /// Space complexity: \Omega(2n) /// /// \see sort() template inline void sort_by_key(KeyIterator keys_first, KeyIterator keys_last, ValueIterator values_first, Compare compare, command_queue &queue = system::default_queue()) { BOOST_STATIC_ASSERT(is_device_iterator::value); BOOST_STATIC_ASSERT(is_device_iterator::value); ::boost::compute::detail::dispatch_sort_by_key( keys_first, keys_last, values_first, compare, queue ); } /// \overload template inline void sort_by_key(KeyIterator keys_first, KeyIterator keys_last, ValueIterator values_first, command_queue &queue = system::default_queue()) { BOOST_STATIC_ASSERT(is_device_iterator::value); BOOST_STATIC_ASSERT(is_device_iterator::value); typedef typename std::iterator_traits::value_type key_type; ::boost::compute::sort_by_key( keys_first, keys_last, values_first, less(), queue ); } } // end compute namespace } // end boost namespace #endif // BOOST_COMPUTE_ALGORITHM_SORT_BY_KEY_HPP