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97020474 | 1 | /* Measure strcat functions. |
bfff8b1b | 2 | Copyright (C) 2013-2017 Free Software Foundation, Inc. |
97020474 SP |
3 | This file is part of the GNU C Library. |
4 | ||
5 | The GNU C Library is free software; you can redistribute it and/or | |
6 | modify it under the terms of the GNU Lesser General Public | |
7 | License as published by the Free Software Foundation; either | |
8 | version 2.1 of the License, or (at your option) any later version. | |
9 | ||
10 | The GNU C Library is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
13 | Lesser General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU Lesser General Public | |
16 | License along with the GNU C Library; if not, see | |
17 | <http://www.gnu.org/licenses/>. */ | |
18 | ||
19 | #define TEST_MAIN | |
d626a24f SL |
20 | #ifndef WIDE |
21 | # define TEST_NAME "strcat" | |
22 | #else | |
23 | # define TEST_NAME "wcscat" | |
24 | #endif /* WIDE */ | |
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25 | #include "bench-string.h" |
26 | ||
d626a24f SL |
27 | #ifndef WIDE |
28 | # define STRCAT strcat | |
29 | # define CHAR char | |
30 | # define sfmt "s" | |
31 | # define SIMPLE_STRCAT simple_strcat | |
32 | # define STRLEN strlen | |
33 | # define STRCMP strcmp | |
34 | # define BIG_CHAR CHAR_MAX | |
35 | # define SMALL_CHAR 127 | |
36 | #else | |
37 | # include <wchar.h> | |
38 | # define STRCAT wcscat | |
39 | # define CHAR wchar_t | |
40 | # define sfmt "ls" | |
41 | # define SIMPLE_STRCAT simple_wcscat | |
42 | # define STRLEN wcslen | |
43 | # define STRCMP wcscmp | |
44 | # define BIG_CHAR WCHAR_MAX | |
45 | # define SMALL_CHAR 1273 | |
46 | #endif /* WIDE */ | |
47 | ||
48 | ||
49 | typedef CHAR *(*proto_t) (CHAR *, const CHAR *); | |
50 | CHAR *SIMPLE_STRCAT (CHAR *, const CHAR *); | |
51 | ||
52 | IMPL (SIMPLE_STRCAT, 0) | |
53 | IMPL (STRCAT, 1) | |
54 | ||
55 | CHAR * | |
56 | SIMPLE_STRCAT (CHAR *dst, const CHAR *src) | |
97020474 | 57 | { |
d626a24f | 58 | CHAR *ret = dst; |
97020474 SP |
59 | while (*dst++ != '\0'); |
60 | --dst; | |
61 | while ((*dst++ = *src++) != '\0'); | |
62 | return ret; | |
63 | } | |
64 | ||
65 | static void | |
d626a24f | 66 | do_one_test (impl_t *impl, CHAR *dst, const CHAR *src) |
97020474 | 67 | { |
d626a24f | 68 | size_t k = STRLEN (dst), i, iters = INNER_LOOP_ITERS; |
44558701 WN |
69 | timing_t start, stop, cur; |
70 | ||
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71 | if (CALL (impl, dst, src) != dst) |
72 | { | |
73 | error (0, 0, "Wrong result in function %s %p %p", impl->name, | |
74 | CALL (impl, dst, src), dst); | |
75 | ret = 1; | |
76 | return; | |
77 | } | |
78 | ||
d626a24f | 79 | if (STRCMP (dst + k, src) != 0) |
97020474 | 80 | { |
d626a24f | 81 | error (0, 0, "Wrong result in function %s dst \"%" sfmt "\" src \"%" sfmt "\"", |
97020474 SP |
82 | impl->name, dst, src); |
83 | ret = 1; | |
84 | return; | |
85 | } | |
86 | ||
44558701 WN |
87 | TIMING_NOW (start); |
88 | for (i = 0; i < iters; ++i) | |
97020474 | 89 | { |
44558701 WN |
90 | dst[k] = '\0'; |
91 | CALL (impl, dst, src); | |
97020474 | 92 | } |
44558701 WN |
93 | TIMING_NOW (stop); |
94 | ||
95 | TIMING_DIFF (cur, start, stop); | |
96 | ||
97 | TIMING_PRINT_MEAN ((double) cur, (double) iters); | |
97020474 SP |
98 | } |
99 | ||
100 | static void | |
101 | do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char) | |
102 | { | |
103 | size_t i; | |
d626a24f | 104 | CHAR *s1, *s2; |
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105 | |
106 | align1 &= 7; | |
d626a24f | 107 | if ((align1 + len1) * sizeof (CHAR) >= page_size) |
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108 | return; |
109 | ||
110 | align2 &= 7; | |
d626a24f | 111 | if ((align2 + len1 + len2) * sizeof (CHAR) >= page_size) |
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112 | return; |
113 | ||
d626a24f SL |
114 | s1 = (CHAR *) (buf1) + align1; |
115 | s2 = (CHAR *) (buf2) + align2; | |
97020474 SP |
116 | |
117 | for (i = 0; i < len1; ++i) | |
118 | s1[i] = 32 + 23 * i % (max_char - 32); | |
119 | s1[len1] = '\0'; | |
120 | ||
121 | for (i = 0; i < len2; i++) | |
122 | s2[i] = 32 + 23 * i % (max_char - 32); | |
123 | ||
44558701 | 124 | printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1, len2, align1, align2); |
97020474 SP |
125 | |
126 | FOR_EACH_IMPL (impl, 0) | |
127 | { | |
128 | s2[len2] = '\0'; | |
129 | do_one_test (impl, s2, s1); | |
130 | } | |
131 | ||
44558701 | 132 | putchar ('\n'); |
97020474 SP |
133 | } |
134 | ||
135 | int | |
136 | test_main (void) | |
137 | { | |
138 | size_t i; | |
139 | ||
140 | test_init (); | |
141 | ||
142 | printf ("%28s", ""); | |
143 | FOR_EACH_IMPL (impl, 0) | |
144 | printf ("\t%s", impl->name); | |
145 | putchar ('\n'); | |
146 | ||
147 | for (i = 0; i < 16; ++i) | |
148 | { | |
d626a24f SL |
149 | do_test (0, 0, i, i, SMALL_CHAR); |
150 | do_test (0, 0, i, i, BIG_CHAR); | |
151 | do_test (0, i, i, i, SMALL_CHAR); | |
152 | do_test (i, 0, i, i, BIG_CHAR); | |
97020474 SP |
153 | } |
154 | ||
155 | for (i = 1; i < 8; ++i) | |
156 | { | |
d626a24f SL |
157 | do_test (0, 0, 8 << i, 8 << i, SMALL_CHAR); |
158 | do_test (8 - i, 2 * i, 8 << i, 8 << i, SMALL_CHAR); | |
159 | do_test (0, 0, 8 << i, 2 << i, SMALL_CHAR); | |
160 | do_test (8 - i, 2 * i, 8 << i, 2 << i, SMALL_CHAR); | |
97020474 SP |
161 | } |
162 | ||
163 | for (i = 1; i < 8; ++i) | |
164 | { | |
d626a24f SL |
165 | do_test (i, 2 * i, 8 << i, 1, SMALL_CHAR); |
166 | do_test (2 * i, i, 8 << i, 1, BIG_CHAR); | |
167 | do_test (i, i, 8 << i, 10, SMALL_CHAR); | |
168 | do_test (i, i, 8 << i, 10, BIG_CHAR); | |
97020474 SP |
169 | } |
170 | ||
171 | return ret; | |
172 | } | |
173 | ||
b598e134 | 174 | #include <support/test-driver.c> |