1 // -*- C++ -*- 2 3 // Copyright (C) 2007, 2009 Free Software Foundation, Inc. 4 // 5 // This file is part of the GNU ISO C++ Library. This library is free 6 // software; you can redistribute it and/or modify it under the terms 7 // of the GNU General Public License as published by the Free Software 8 // Foundation; either version 3, or (at your option) any later 9 // version. 10 11 // This library is distributed in the hope that it will be useful, but 12 // WITHOUT ANY WARRANTY; without even the implied warranty of 13 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 14 // General Public License for more details. 15 16 // Under Section 7 of GPL version 3, you are granted additional 17 // permissions described in the GCC Runtime Library Exception, version 18 // 3.1, as published by the Free Software Foundation. 19 20 // You should have received a copy of the GNU General Public License and 21 // a copy of the GCC Runtime Library Exception along with this program; 22 // see the files COPYING3 and COPYING.RUNTIME respectively. If not, see 23 // <http://www.gnu.org/licenses/>. 24 25 /** @file parallel/compiletime_settings.h 26 * @brief Defines on options concerning debugging and performance, at 27 * compile-time. 28 * This file is a GNU parallel extension to the Standard C++ Library. 29 */ 30 31 // Written by Johannes Singler. 32 33 #include <cstdio> 34 35 /** @brief Determine verbosity level of the parallel mode. 36 * Level 1 prints a message each time a parallel-mode function is entered. */ 37 #define _GLIBCXX_VERBOSE_LEVEL 0 38 39 /** @def _GLIBCXX_CALL 40 * @brief Macro to produce log message when entering a function. 41 * @param n Input size. 42 * @see _GLIBCXX_VERBOSE_LEVEL */ 43 #if (_GLIBCXX_VERBOSE_LEVEL == 0) 44 #define _GLIBCXX_CALL(n) 45 #endif 46 #if (_GLIBCXX_VERBOSE_LEVEL == 1) 47 #define _GLIBCXX_CALL(n) \ 48 printf(" %s:\niam = %d, n = %ld, num_threads = %d\n", \ 49 __PRETTY_FUNCTION__, omp_get_thread_num(), (n), get_max_threads()); 50 #endif 51 52 #ifndef _GLIBCXX_SCALE_DOWN_FPU 53 /** @brief Use floating-point scaling instead of modulo for mapping 54 * random numbers to a range. This can be faster on certain CPUs. */ 55 #define _GLIBCXX_SCALE_DOWN_FPU 0 56 #endif 57 58 #ifndef _GLIBCXX_ASSERTIONS 59 /** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. 60 * Should be switched on only locally. */ 61 #define _GLIBCXX_ASSERTIONS 0 62 #endif 63 64 #ifndef _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_L1 65 /** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. 66 * Consider the size of the L1 cache for 67 * __gnu_parallel::parallel_random_shuffle(). */ 68 #define _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_L1 0 69 #endif 70 #ifndef _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_TLB 71 /** @brief Switch on many _GLIBCXX_PARALLEL_ASSERTions in parallel code. 72 * Consider the size of the TLB for 73 * __gnu_parallel::parallel_random_shuffle(). */ 74 #define _GLIBCXX_RANDOM_SHUFFLE_CONSIDER_TLB 0 75 #endif 76
