// Copyright (C) 2003, 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 #include // libstdc++/9876 int main() { using namespace std; using namespace __gnu_test; time_counter time; resource_counter resource; const int iterations = 100000000; // C FILE* file = fopen("tmp", "w+"); start_counters(time, resource); for (int i = 0; i < iterations; ++i) putc(i % 100, file); stop_counters(time, resource); fclose(file); report_performance(__FILE__, "C", time, resource); clear_counters(time, resource); // C unlocked file = fopen("tmp", "w+"); start_counters(time, resource); for (int i = 0; i < iterations; ++i) putc_unlocked(i % 100, file); stop_counters(time, resource); fclose(file); report_performance(__FILE__, "C unlocked", time, resource); clear_counters(time, resource); // C++ filebuf buf; buf.open("tmp", ios_base::out | ios_base::in | ios_base::trunc); start_counters(time, resource); for (int i = 0; i < iterations; ++i) buf.sputc(i % 100); stop_counters(time, resource); report_performance(__FILE__, "C++", time, resource); unlink("tmp"); return 0; }