libstdc++
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00001 // -*- C++ -*- 00002 00003 // Copyright (C) 2007, 2009 Free Software Foundation, Inc. 00004 // 00005 // This file is part of the GNU ISO C++ Library. This library is free 00006 // software; you can redistribute it and/or modify it under the terms 00007 // of the GNU General Public License as published by the Free Software 00008 // Foundation; either version 3, or (at your option) any later 00009 // version. 00010 00011 // This library is distributed in the hope that it will be useful, but 00012 // WITHOUT ANY WARRANTY; without even the implied warranty of 00013 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00014 // General Public License for more details. 00015 00016 // Under Section 7 of GPL version 3, you are granted additional 00017 // permissions described in the GCC Runtime Library Exception, version 00018 // 3.1, as published by the Free Software Foundation. 00019 00020 // You should have received a copy of the GNU General Public License and 00021 // a copy of the GCC Runtime Library Exception along with this program; 00022 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 00023 // <http://www.gnu.org/licenses/>. 00024 00025 /** @file parallel/compiletime_settings.h 00026 * @brief Defines on options concerning debugging and performance, at 00027 * compile-time. 00028 * This file is a GNU parallel extension to the Standard C++ Library. 00029 */ 00030 00031 // Written by Johannes Singler. 00032 00033 #include <cstdio> 00034 00035 /** @brief Determine verbosity level of the parallel mode. 00036 * Level 1 prints a message each time a parallel-mode function is entered. */ 00037 #define _GLIBCXX_VERBOSE_LEVEL 0 00038 00039 /** @def _GLIBCXX_CALL 00040 * @brief Macro to produce log message when entering a function. 00041 * @param __n Input size. 00042 * @see _GLIBCXX_VERBOSE_LEVEL */ 00043 #if (_GLIBCXX_VERBOSE_LEVEL == 0) 00044 #define _GLIBCXX_CALL(__n) 00045 #endif 00046 #if (_GLIBCXX_VERBOSE_LEVEL == 1) 00047 #define _GLIBCXX_CALL(__n) \ 00048 printf(" %__s:\niam = %d, __n = %ld, __num_threads = %d\n", \ 00049 __PRETTY_FUNCTION__, omp_get_thread_num(), (__n), __get_max_threads()); 00050 #endif 00051 00052 #ifndef _GLIBCXX_SCALE_DOWN_FPU 00053 /** @brief Use floating-point scaling instead of modulo for mapping 00054 * random numbers to a range. This can be faster on certain CPUs. */ 00055 #define _GLIBCXX_SCALE_DOWN_FPU 0 00056 #endif 00057 00058 #ifndef _GLIBCXX_ASSERTIONS 00059 /** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. 00060 * Should be switched on only locally. */ 00061 #define _GLIBCXX_ASSERTIONS 0 00062 #endif 00063 00064 #ifndef _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_L1 00065 /** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. 00066 * Consider the size of the L1 cache for 00067 * gnu_parallel::__parallel_random_shuffle(). */ 00068 #define _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_L1 0 00069 #endif 00070 #ifndef _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_TLB 00071 /** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. 00072 * Consider the size of the TLB for 00073 * gnu_parallel::__parallel_random_shuffle(). */ 00074 #define _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_TLB 0 00075 #endif