1 // Copyright (C) 2003 Free Software Foundation, Inc.
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 2, or (at your option)
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.
14 // You should have received a copy of the GNU General Public License along
15 // with this library; see the file COPYING. If not, write to the Free
16 // Software Foundation, 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301,
19 // As a special exception, you may use this file as part of a free software
20 // library without restriction. Specifically, if other files instantiate
21 // templates or use macros or inline functions from this file, or you compile
22 // this file and link it with other files to produce an executable, this
23 // file does not by itself cause the resulting executable to be covered by
24 // the GNU General Public License. This exception does not however
25 // invalidate any other reasons why the executable file might be covered by
26 // the GNU General Public License.
31 #include <testsuite_performance.h>
36 test_append_char(int how_much
)
38 string buf
; // no preallocation
39 for (int i
= 0; i
< how_much
; ++i
)
40 buf
.append(static_cast<string::size_type
>(1) , 'x');
44 test_append_string(int how_much
)
46 string
s(static_cast<string::size_type
>(1) , 'x');
47 string buf
; // no preallocation
48 for (int i
= 0; i
< how_much
; ++i
)
53 run_benchmark1(int how_much
)
55 using namespace __gnu_test
;
57 resource_counter resource
;
58 start_counters(time
, resource
);
59 test_append_char(how_much
);
60 stop_counters(time
, resource
);
61 report_performance(__FILE__
, "char", time
, resource
);
65 run_benchmark2(int how_much
)
67 using namespace __gnu_test
;
69 resource_counter resource
;
70 start_counters(time
, resource
);
71 test_append_string(how_much
);
72 stop_counters(time
, resource
);
73 report_performance(__FILE__
, "string", time
, resource
);
80 run_benchmark1(100000);
81 run_benchmark2(100000);
82 run_benchmark1(1000000);
83 run_benchmark2(1000000);
84 run_benchmark1(10000000);
85 run_benchmark2(10000000);