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Diffstat (limited to 'libstdc++-v3/include/parallel/compiletime_settings.h')
| -rw-r--r-- | libstdc++-v3/include/parallel/compiletime_settings.h | 75 |
1 files changed, 75 insertions, 0 deletions
diff --git a/libstdc++-v3/include/parallel/compiletime_settings.h b/libstdc++-v3/include/parallel/compiletime_settings.h new file mode 100644 index 000000000..e375a94a9 --- /dev/null +++ b/libstdc++-v3/include/parallel/compiletime_settings.h @@ -0,0 +1,75 @@ +// -*- C++ -*- + +// Copyright (C) 2007, 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/compiletime_settings.h + * @brief Defines on options concerning debugging and performance, at + * compile-time. + * This file is a GNU parallel extension to the Standard C++ Library. + */ + +// Written by Johannes Singler. + +#include <cstdio> + +/** @brief Determine verbosity level of the parallel mode. + * Level 1 prints a message each time a parallel-mode function is entered. */ +#define _GLIBCXX_VERBOSE_LEVEL 0 + +/** @def _GLIBCXX_CALL + * @brief Macro to produce log message when entering a function. + * @param __n Input size. + * @see _GLIBCXX_VERBOSE_LEVEL */ +#if (_GLIBCXX_VERBOSE_LEVEL == 0) +#define _GLIBCXX_CALL(__n) +#endif +#if (_GLIBCXX_VERBOSE_LEVEL == 1) +#define _GLIBCXX_CALL(__n) \ + printf(" %__s:\niam = %d, __n = %ld, __num_threads = %d\n", \ + __PRETTY_FUNCTION__, omp_get_thread_num(), (__n), __get_max_threads()); +#endif + +#ifndef _GLIBCXX_SCALE_DOWN_FPU +/** @brief Use floating-point scaling instead of modulo for mapping + * random numbers to a range. This can be faster on certain CPUs. */ +#define _GLIBCXX_SCALE_DOWN_FPU 0 +#endif + +#ifndef _GLIBCXX_ASSERTIONS +/** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. + * Should be switched on only locally. */ +#define _GLIBCXX_ASSERTIONS 0 +#endif + +#ifndef _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_L1 +/** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. + * Consider the size of the L1 cache for +* gnu_parallel::__parallel_random_shuffle(). */ +#define _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_L1 0 +#endif +#ifndef _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_TLB +/** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. + * Consider the size of the TLB for +* gnu_parallel::__parallel_random_shuffle(). */ +#define _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_TLB 0 +#endif |