X-Git-Url: http://wagnertech.de/git?a=blobdiff_plain;f=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fparallel%2Ftypes.h;fp=i686-linux-gnu-4.7%2Fusr%2Finclude%2Fc%2B%2B%2F4.7%2Fparallel%2Ftypes.h;h=bb6eaa5ed8b8a9bff225caaaf8be3f6c9fde7998;hb=94df942c2c7bd3457276fe5b7367623cbb8c1302;hp=0000000000000000000000000000000000000000;hpb=4dd7d9155a920895ff7b1cb6b9c9c676aa62000a;p=cross.git diff --git a/i686-linux-gnu-4.7/usr/include/c++/4.7/parallel/types.h b/i686-linux-gnu-4.7/usr/include/c++/4.7/parallel/types.h new file mode 100644 index 0000000..bb6eaa5 --- /dev/null +++ b/i686-linux-gnu-4.7/usr/include/c++/4.7/parallel/types.h @@ -0,0 +1,137 @@ +// -*- 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 +// . + +/** @file parallel/types.h + * @brief Basic types and typedefs. + * This file is a GNU parallel extension to the Standard C++ Library. + */ + +// Written by Johannes Singler and Felix Putze. + +#ifndef _GLIBCXX_PARALLEL_TYPES_H +#define _GLIBCXX_PARALLEL_TYPES_H 1 + +#include +#include +#include + +namespace __gnu_parallel +{ + // Enumerated types. + + /// Run-time equivalents for the compile-time tags. + enum _Parallelism + { + /// Not parallel. + sequential, + + /// Parallel unbalanced (equal-sized chunks). + parallel_unbalanced, + + /// Parallel balanced (work-stealing). + parallel_balanced, + + /// Parallel with OpenMP dynamic load-balancing. + parallel_omp_loop, + + /// Parallel with OpenMP static load-balancing. + parallel_omp_loop_static, + + /// Parallel with OpenMP taskqueue construct. + parallel_taskqueue + }; + + /// Strategies for run-time algorithm selection: + // force_sequential, force_parallel, heuristic. + enum _AlgorithmStrategy + { + heuristic, + force_sequential, + force_parallel + }; + + /// Sorting algorithms: + // multi-way mergesort, quicksort, load-balanced quicksort. + enum _SortAlgorithm + { + MWMS, + QS, + QS_BALANCED + }; + + /// Merging algorithms: + // bubblesort-alike, loser-tree variants, enum __sentinel. + enum _MultiwayMergeAlgorithm + { + LOSER_TREE + }; + + /// Partial sum algorithms: recursive, linear. + enum _PartialSumAlgorithm + { + RECURSIVE, + LINEAR + }; + + /// Sorting/merging algorithms: sampling, __exact. + enum _SplittingAlgorithm + { + SAMPLING, + EXACT + }; + + /// Find algorithms: + // growing blocks, equal-sized blocks, equal splitting. + enum _FindAlgorithm + { + GROWING_BLOCKS, + CONSTANT_SIZE_BLOCKS, + EQUAL_SPLIT + }; + + /** + * @brief Unsigned integer to index __elements. + * The total number of elements for each algorithm must fit into this type. + */ + typedef uint64_t _SequenceIndex; + + /** + * @brief Unsigned integer to index a thread number. + * The maximum thread number (for each processor) must fit into this type. + */ + typedef uint16_t _ThreadIndex; + + // XXX atomics interface? + /// Longest compare-and-swappable integer type on this platform. + typedef int64_t _CASable; + + /// Number of bits of _CASable. + static const int _CASable_bits = std::numeric_limits<_CASable>::digits; + + /// ::_CASable with the right half of bits set to 1. + static const _CASable _CASable_mask = + ((_CASable(1) << (_CASable_bits / 2)) - 1); +} + +#endif /* _GLIBCXX_PARALLEL_TYPES_H */