// Copyright (C) 2004, 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 // . #define DISABLE_ITERATOR_DEBUG 1 #include #include #include #include #include #include using namespace std; using namespace __gnu_test; const int length = 10000000; const int match_length = 3; int array[length]; int main(void) { time_counter time; resource_counter resource; int match = rand() % (match_length - 1); for(int i = 0; i < length; i++) { array[i] = (match != 0) ? 1 : 0; if(--match < 0) match = rand() % (match_length - 1); } __gnu_test::test_container fcon(array, array + length); start_counters(time, resource); for(int i = 0; i < 100; i++) search_n(fcon.begin(), fcon.end(), 10, 1); stop_counters(time, resource); report_performance(__FILE__, "forward iterator", time, resource); clear_counters(time, resource); __gnu_test::test_container rcon(array, array + length); start_counters(time, resource); for(int i = 0; i < 100; i++) search_n(rcon.begin(), rcon.end(), 10, 1); stop_counters(time, resource); report_performance(__FILE__, "random acess iterator", time, resource); clear_counters(time, resource); }