1 // Copyright (C) 2006-2018 Free Software Foundation, Inc.
2 //
3 // This file is part of the GNU ISO C++ Library.  This library is free
4 // software; you can redistribute it and/or modify it under the
5 // terms of the GNU General Public License as published by the
6 // Free Software Foundation; either version 3, or (at your option)
7 // any later version.
8 
9 // This library is distributed in the hope that it will be useful,
10 // but WITHOUT ANY WARRANTY; without even the implied warranty of
11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12 // GNU General Public License for more details.
13 
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING3.  If not see
16 // <http://www.gnu.org/licenses/>.
17 
18 
19 #include <string>
20 #include <testsuite_performance.h>
21 
benchmark(long len)22 void benchmark(long len)
23 {
24   using namespace std;
25   using namespace __gnu_test;
26 
27   time_counter time;
28   resource_counter resource;
29 
30   start_counters(time, resource);
31   string a("1");
32   for (long i = 0; i < len; ++i)
33     {
34       string ss1(a);
35       string ss2(ss1);
36       string ss3(ss2);
37       string ss4(ss3);
38       string ss5(ss4);
39     }
40   stop_counters(time, resource);
41 
42   report_performance(__FILE__, "", time, resource);
43   clear_counters(time, resource);
44 }
45 
main()46 int main()
47 {
48   benchmark(1000000);
49   benchmark(10000000);
50   benchmark(100000000);
51   return 0;
52 }
53