// Copyright (C) 2006, 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. // You should have received a copy of the GNU General Public License along // with this library; see the file COPYING3. If not see // . #include #include void benchmark(long len) { using namespace std; using namespace __gnu_test; time_counter time; resource_counter resource; start_counters(time, resource); string a("1"); for (long i = 0; i < len; ++i) { string ss1(a); string ss2(ss1); string ss3(ss2); string ss4(ss3); string ss5(ss4); } stop_counters(time, resource); report_performance(__FILE__, "", time, resource); clear_counters(time, resource); } int main() { benchmark(1000000); benchmark(10000000); benchmark(100000000); return 0; }