# compiletime_settings.h

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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