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97020474 | 1 | /* Measure strcat functions. |
04277e02 | 2 | Copyright (C) 2013-2019 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" | |
648279f4 | 24 | # define generic_strcat generic_wcscat |
d626a24f | 25 | #endif /* WIDE */ |
97020474 SP |
26 | #include "bench-string.h" |
27 | ||
90d3320d WD |
28 | #define BIG_CHAR MAX_CHAR |
29 | ||
d626a24f | 30 | #ifndef WIDE |
d626a24f | 31 | # define sfmt "s" |
d626a24f SL |
32 | # define SMALL_CHAR 127 |
33 | #else | |
d626a24f | 34 | # define sfmt "ls" |
d626a24f SL |
35 | # define SMALL_CHAR 1273 |
36 | #endif /* WIDE */ | |
37 | ||
38 | ||
39 | typedef CHAR *(*proto_t) (CHAR *, const CHAR *); | |
d626a24f SL |
40 | |
41 | CHAR * | |
648279f4 | 42 | generic_strcat (CHAR *dst, const CHAR *src) |
97020474 | 43 | { |
648279f4 WD |
44 | STRCPY (dst + STRLEN (dst), src); |
45 | return dst; | |
97020474 SP |
46 | } |
47 | ||
648279f4 WD |
48 | IMPL (STRCAT, 1) |
49 | IMPL (generic_strcat, 0) | |
50 | ||
97020474 | 51 | static void |
d626a24f | 52 | do_one_test (impl_t *impl, CHAR *dst, const CHAR *src) |
97020474 | 53 | { |
d626a24f | 54 | size_t k = STRLEN (dst), i, iters = INNER_LOOP_ITERS; |
44558701 WN |
55 | timing_t start, stop, cur; |
56 | ||
97020474 SP |
57 | if (CALL (impl, dst, src) != dst) |
58 | { | |
59 | error (0, 0, "Wrong result in function %s %p %p", impl->name, | |
60 | CALL (impl, dst, src), dst); | |
61 | ret = 1; | |
62 | return; | |
63 | } | |
64 | ||
d626a24f | 65 | if (STRCMP (dst + k, src) != 0) |
97020474 | 66 | { |
d626a24f | 67 | error (0, 0, "Wrong result in function %s dst \"%" sfmt "\" src \"%" sfmt "\"", |
97020474 SP |
68 | impl->name, dst, src); |
69 | ret = 1; | |
70 | return; | |
71 | } | |
72 | ||
44558701 WN |
73 | TIMING_NOW (start); |
74 | for (i = 0; i < iters; ++i) | |
97020474 | 75 | { |
44558701 WN |
76 | dst[k] = '\0'; |
77 | CALL (impl, dst, src); | |
97020474 | 78 | } |
44558701 WN |
79 | TIMING_NOW (stop); |
80 | ||
81 | TIMING_DIFF (cur, start, stop); | |
82 | ||
83 | TIMING_PRINT_MEAN ((double) cur, (double) iters); | |
97020474 SP |
84 | } |
85 | ||
86 | static void | |
87 | do_test (size_t align1, size_t align2, size_t len1, size_t len2, int max_char) | |
88 | { | |
89 | size_t i; | |
d626a24f | 90 | CHAR *s1, *s2; |
97020474 SP |
91 | |
92 | align1 &= 7; | |
d626a24f | 93 | if ((align1 + len1) * sizeof (CHAR) >= page_size) |
97020474 SP |
94 | return; |
95 | ||
96 | align2 &= 7; | |
d626a24f | 97 | if ((align2 + len1 + len2) * sizeof (CHAR) >= page_size) |
97020474 SP |
98 | return; |
99 | ||
d626a24f SL |
100 | s1 = (CHAR *) (buf1) + align1; |
101 | s2 = (CHAR *) (buf2) + align2; | |
97020474 SP |
102 | |
103 | for (i = 0; i < len1; ++i) | |
104 | s1[i] = 32 + 23 * i % (max_char - 32); | |
105 | s1[len1] = '\0'; | |
106 | ||
107 | for (i = 0; i < len2; i++) | |
108 | s2[i] = 32 + 23 * i % (max_char - 32); | |
109 | ||
44558701 | 110 | printf ("Length %4zd/%4zd, alignment %2zd/%2zd:", len1, len2, align1, align2); |
97020474 SP |
111 | |
112 | FOR_EACH_IMPL (impl, 0) | |
113 | { | |
114 | s2[len2] = '\0'; | |
115 | do_one_test (impl, s2, s1); | |
116 | } | |
117 | ||
44558701 | 118 | putchar ('\n'); |
97020474 SP |
119 | } |
120 | ||
121 | int | |
122 | test_main (void) | |
123 | { | |
124 | size_t i; | |
125 | ||
126 | test_init (); | |
127 | ||
128 | printf ("%28s", ""); | |
129 | FOR_EACH_IMPL (impl, 0) | |
130 | printf ("\t%s", impl->name); | |
131 | putchar ('\n'); | |
132 | ||
133 | for (i = 0; i < 16; ++i) | |
134 | { | |
d626a24f SL |
135 | do_test (0, 0, i, i, SMALL_CHAR); |
136 | do_test (0, 0, i, i, BIG_CHAR); | |
137 | do_test (0, i, i, i, SMALL_CHAR); | |
138 | do_test (i, 0, i, i, BIG_CHAR); | |
97020474 SP |
139 | } |
140 | ||
141 | for (i = 1; i < 8; ++i) | |
142 | { | |
d626a24f SL |
143 | do_test (0, 0, 8 << i, 8 << i, SMALL_CHAR); |
144 | do_test (8 - i, 2 * i, 8 << i, 8 << i, SMALL_CHAR); | |
145 | do_test (0, 0, 8 << i, 2 << i, SMALL_CHAR); | |
146 | do_test (8 - i, 2 * i, 8 << i, 2 << i, SMALL_CHAR); | |
97020474 SP |
147 | } |
148 | ||
149 | for (i = 1; i < 8; ++i) | |
150 | { | |
d626a24f SL |
151 | do_test (i, 2 * i, 8 << i, 1, SMALL_CHAR); |
152 | do_test (2 * i, i, 8 << i, 1, BIG_CHAR); | |
153 | do_test (i, i, 8 << i, 10, SMALL_CHAR); | |
154 | do_test (i, i, 8 << i, 10, BIG_CHAR); | |
97020474 SP |
155 | } |
156 | ||
157 | return ret; | |
158 | } | |
159 | ||
b598e134 | 160 | #include <support/test-driver.c> |