aboutsummaryrefslogtreecommitdiffstats
path: root/gcc-4.4.3/libstdc++-v3/include/parallel/omp_loop_static.h
diff options
context:
space:
mode:
Diffstat (limited to 'gcc-4.4.3/libstdc++-v3/include/parallel/omp_loop_static.h')
-rw-r--r--gcc-4.4.3/libstdc++-v3/include/parallel/omp_loop_static.h117
1 files changed, 0 insertions, 117 deletions
diff --git a/gcc-4.4.3/libstdc++-v3/include/parallel/omp_loop_static.h b/gcc-4.4.3/libstdc++-v3/include/parallel/omp_loop_static.h
deleted file mode 100644
index 523618307..000000000
--- a/gcc-4.4.3/libstdc++-v3/include/parallel/omp_loop_static.h
+++ /dev/null
@@ -1,117 +0,0 @@
-// -*- C++ -*-
-
-// Copyright (C) 2007, 2008, 2009 Free Software Foundation, Inc.
-//
-// This file is part of the GNU ISO C++ Library. This library is free
-// software; you can redistribute it and/or modify it under the terms
-// of the GNU General Public License as published by the Free Software
-// Foundation; either version 3, or (at your option) any later
-// version.
-
-// This library is distributed in the hope that it will be useful, but
-// WITHOUT ANY WARRANTY; without even the implied warranty of
-// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
-// General Public License for more details.
-
-// Under Section 7 of GPL version 3, you are granted additional
-// permissions described in the GCC Runtime Library Exception, version
-// 3.1, as published by the Free Software Foundation.
-
-// You should have received a copy of the GNU General Public License and
-// a copy of the GCC Runtime Library Exception along with this program;
-// see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
-// <http://www.gnu.org/licenses/>.
-
-/** @file parallel/omp_loop_static.h
- * @brief Parallelization of embarrassingly parallel execution by
- * means of an OpenMP for loop with static scheduling.
- * This file is a GNU parallel extension to the Standard C++ Library.
- */
-
-// Written by Felix Putze.
-
-#ifndef _GLIBCXX_PARALLEL_OMP_LOOP_STATIC_H
-#define _GLIBCXX_PARALLEL_OMP_LOOP_STATIC_H 1
-
-#include <omp.h>
-
-#include <parallel/settings.h>
-#include <parallel/basic_iterator.h>
-
-namespace __gnu_parallel
-{
-
- /** @brief Embarrassingly parallel algorithm for random access
- * iterators, using an OpenMP for loop with static scheduling.
- *
- * @param begin Begin iterator of element sequence.
- * @param end End iterator of element sequence.
- * @param o User-supplied functor (comparator, predicate, adding
- * functor, ...).
- * @param f Functor to "process" an element with op (depends on
- * desired functionality, e. g. for std::for_each(), ...).
- * @param r Functor to "add" a single result to the already processed
- * elements (depends on functionality).
- * @param base Base value for reduction.
- * @param output Pointer to position where final result is written to
- * @param bound Maximum number of elements processed (e. g. for
- * std::count_n()).
- * @return User-supplied functor (that may contain a part of the result).
- */
-template<typename RandomAccessIterator,
- typename Op,
- typename Fu,
- typename Red,
- typename Result>
- Op
- for_each_template_random_access_omp_loop_static(RandomAccessIterator begin,
- RandomAccessIterator end,
- Op o, Fu& f, Red r,
- Result base, Result& output,
- typename std::iterator_traits
- <RandomAccessIterator>::
- difference_type bound)
- {
- typedef typename
- std::iterator_traits<RandomAccessIterator>::difference_type
- difference_type;
-
- difference_type length = end - begin;
- thread_index_t num_threads =
- std::min<difference_type>(get_max_threads(), length);
-
- Result *thread_results;
-
-# pragma omp parallel num_threads(num_threads)
- {
-# pragma omp single
- {
- num_threads = omp_get_num_threads();
- thread_results = new Result[num_threads];
-
- for (thread_index_t i = 0; i < num_threads; ++i)
- thread_results[i] = Result();
- }
-
- thread_index_t iam = omp_get_thread_num();
-
-# pragma omp for schedule(static, _Settings::get().workstealing_chunk_size)
- for (difference_type pos = 0; pos < length; ++pos)
- thread_results[iam] = r(thread_results[iam], f(o, begin+pos));
- } //parallel
-
- for (thread_index_t i = 0; i < num_threads; ++i)
- output = r(output, thread_results[i]);
-
- delete [] thread_results;
-
- // Points to last element processed (needed as return value for
- // some algorithms like transform).
- f.finish_iterator = begin + length;
-
- return o;
- }
-
-} // end namespace
-
-#endif /* _GLIBCXX_PARALLEL_OMP_LOOP_STATIC_H */