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a5544970 | 1 | // Copyright (C) 2003-2019 Free Software Foundation, Inc. |
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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 | |
748086b7 | 6 | // Free Software Foundation; either version 3, or (at your option) |
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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 | |
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15 | // with this library; see the file COPYING3. If not see |
16 | // <http://www.gnu.org/licenses/>. | |
8370378a | 17 | |
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18 | |
19 | #include <cstdio> | |
20 | #include <fstream> | |
21 | #include <testsuite_performance.h> | |
22 | ||
23 | int main() | |
24 | { | |
25 | using namespace std; | |
aecf642c | 26 | using namespace __gnu_test; |
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27 | |
28 | time_counter time; | |
29 | resource_counter resource; | |
30 | const unsigned long count = 1ul << 30; | |
31 | ||
32 | // C unlocked | |
33 | FILE* fpi = fopen("/dev/zero", "r"); | |
34 | FILE* fpo = fopen("/dev/null", "w"); | |
35 | start_counters(time, resource); | |
36 | for (unsigned long i = 0; i < count; ++i) | |
37 | { | |
38 | int c = getc_unlocked(fpi); | |
39 | if (c == EOF || putc_unlocked(c, fpo) == EOF) | |
40 | break; | |
41 | } | |
42 | stop_counters(time, resource); | |
43 | fclose(fpi); | |
44 | fclose(fpo); | |
45 | report_performance(__FILE__, "C unlocked", time, resource); | |
46 | clear_counters(time, resource); | |
47 | ||
48 | // C++ | |
49 | filebuf in; | |
50 | in.open("/dev/zero", ios::in); | |
51 | filebuf out; | |
52 | out.open("/dev/null", ios::out); | |
53 | start_counters(time, resource); | |
54 | for (unsigned long i = 0; i < count; ++i) | |
55 | { | |
56 | int c = in.sbumpc(); | |
57 | if (c == EOF || out.sputc(c) == EOF) | |
58 | break; | |
59 | } | |
60 | stop_counters(time, resource); | |
61 | in.close(); | |
62 | out.close(); | |
63 | report_performance(__FILE__, "C++", time, resource); | |
64 | ||
65 | return 0; | |
66 | } |