// Copyright (C) 2003 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 2, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING. If not, write to the Free // Software Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, // USA. // As a special exception, you may use this file as part of a free software // library without restriction. Specifically, if other files instantiate // templates or use macros or inline functions from this file, or you compile // this file and link it with other files to produce an executable, this // file does not by itself cause the resulting executable to be covered by // the GNU General Public License. This exception does not however // invalidate any other reasons why the executable file might be covered by // the GNU General Public License. #include #include // based on libstdc++/8761 poor fstream performance (converted to float) int main() { using namespace std; using namespace __gnu_cxx_test; time_counter time; resource_counter resource; const int iterations = 10000000; ofstream out("tmp_perf_float.txt"); start_counters(time, resource); for (int i = 0; i < iterations; ++i) { float f = static_cast(i); out << f << "\n"; } stop_counters(time, resource); report_performance(__FILE__, "", time, resource); return 0; };