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97020474 | 1 | /* Measure strcat functions. |
6d7e8eda | 2 | Copyright (C) 2013-2023 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 | |
5a82c748 | 17 | <https://www.gnu.org/licenses/>. */ |
97020474 SP |
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 | ||
d44e1164 | 38 | #include "json-lib.h" |
d626a24f SL |
39 | |
40 | typedef CHAR *(*proto_t) (CHAR *, const CHAR *); | |
d626a24f SL |
41 | |
42 | CHAR * | |
648279f4 | 43 | generic_strcat (CHAR *dst, const CHAR *src) |
97020474 | 44 | { |
648279f4 WD |
45 | STRCPY (dst + STRLEN (dst), src); |
46 | return dst; | |
97020474 SP |
47 | } |
48 | ||
648279f4 WD |
49 | IMPL (STRCAT, 1) |
50 | IMPL (generic_strcat, 0) | |
51 | ||
97020474 | 52 | static void |
d44e1164 | 53 | do_one_test (json_ctx_t *json_ctx, impl_t *impl, CHAR *dst, const CHAR *src) |
97020474 | 54 | { |
afe23eb0 | 55 | size_t k = STRLEN (dst), i, iters = INNER_LOOP_ITERS_LARGE; |
44558701 WN |
56 | timing_t start, stop, cur; |
57 | ||
97020474 SP |
58 | if (CALL (impl, dst, src) != dst) |
59 | { | |
60 | error (0, 0, "Wrong result in function %s %p %p", impl->name, | |
61 | CALL (impl, dst, src), dst); | |
62 | ret = 1; | |
63 | return; | |
64 | } | |
65 | ||
d626a24f | 66 | if (STRCMP (dst + k, src) != 0) |
97020474 | 67 | { |
d44e1164 NG |
68 | error (0, 0, |
69 | "Wrong result in function %s dst \"%" sfmt "\" src \"%" sfmt "\"", | |
97020474 SP |
70 | impl->name, dst, src); |
71 | ret = 1; | |
72 | return; | |
73 | } | |
74 | ||
44558701 WN |
75 | TIMING_NOW (start); |
76 | for (i = 0; i < iters; ++i) | |
97020474 | 77 | { |
44558701 WN |
78 | dst[k] = '\0'; |
79 | CALL (impl, dst, src); | |
97020474 | 80 | } |
44558701 WN |
81 | TIMING_NOW (stop); |
82 | ||
83 | TIMING_DIFF (cur, start, stop); | |
84 | ||
d44e1164 | 85 | json_element_double (json_ctx, (double) cur / (double) iters); |
97020474 SP |
86 | } |
87 | ||
88 | static void | |
d44e1164 NG |
89 | do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t len1, |
90 | size_t len2, int max_char) | |
97020474 SP |
91 | { |
92 | size_t i; | |
d626a24f | 93 | CHAR *s1, *s2; |
97020474 SP |
94 | |
95 | align1 &= 7; | |
d626a24f | 96 | if ((align1 + len1) * sizeof (CHAR) >= page_size) |
97020474 SP |
97 | return; |
98 | ||
99 | align2 &= 7; | |
d626a24f | 100 | if ((align2 + len1 + len2) * sizeof (CHAR) >= page_size) |
97020474 SP |
101 | return; |
102 | ||
d626a24f SL |
103 | s1 = (CHAR *) (buf1) + align1; |
104 | s2 = (CHAR *) (buf2) + align2; | |
97020474 SP |
105 | |
106 | for (i = 0; i < len1; ++i) | |
107 | s1[i] = 32 + 23 * i % (max_char - 32); | |
108 | s1[len1] = '\0'; | |
109 | ||
110 | for (i = 0; i < len2; i++) | |
111 | s2[i] = 32 + 23 * i % (max_char - 32); | |
112 | ||
d44e1164 NG |
113 | json_element_object_begin (json_ctx); |
114 | json_attr_uint (json_ctx, "align1", align1); | |
115 | json_attr_uint (json_ctx, "align2", align2); | |
116 | json_attr_uint (json_ctx, "len1", len1); | |
117 | json_attr_uint (json_ctx, "len2", len2); | |
118 | json_attr_uint (json_ctx, "max_char", max_char); | |
119 | ||
120 | json_array_begin (json_ctx, "timings"); | |
97020474 SP |
121 | |
122 | FOR_EACH_IMPL (impl, 0) | |
123 | { | |
124 | s2[len2] = '\0'; | |
d44e1164 | 125 | do_one_test (json_ctx, impl, s2, s1); |
97020474 SP |
126 | } |
127 | ||
d44e1164 NG |
128 | json_array_end (json_ctx); |
129 | json_element_object_end (json_ctx); | |
97020474 SP |
130 | } |
131 | ||
132 | int | |
133 | test_main (void) | |
134 | { | |
d44e1164 | 135 | json_ctx_t json_ctx; |
97020474 SP |
136 | size_t i; |
137 | ||
138 | test_init (); | |
139 | ||
d44e1164 NG |
140 | test_init (); |
141 | ||
142 | json_init (&json_ctx, 0, stdout); | |
143 | ||
144 | json_document_begin (&json_ctx); | |
145 | json_attr_string (&json_ctx, "timing_type", TIMING_TYPE); | |
146 | ||
147 | json_attr_object_begin (&json_ctx, "functions"); | |
148 | json_attr_object_begin (&json_ctx, TEST_NAME); | |
149 | json_attr_string (&json_ctx, "bench-variant", ""); | |
150 | ||
151 | json_array_begin (&json_ctx, "ifuncs"); | |
97020474 | 152 | FOR_EACH_IMPL (impl, 0) |
d44e1164 NG |
153 | json_element_string (&json_ctx, impl->name); |
154 | json_array_end (&json_ctx); | |
155 | ||
156 | json_array_begin (&json_ctx, "results"); | |
97020474 SP |
157 | |
158 | for (i = 0; i < 16; ++i) | |
159 | { | |
d44e1164 NG |
160 | do_test (&json_ctx, 0, 0, i, i, SMALL_CHAR); |
161 | do_test (&json_ctx, 0, 0, i, i, BIG_CHAR); | |
162 | do_test (&json_ctx, 0, i, i, i, SMALL_CHAR); | |
163 | do_test (&json_ctx, i, 0, i, i, BIG_CHAR); | |
97020474 SP |
164 | } |
165 | ||
166 | for (i = 1; i < 8; ++i) | |
167 | { | |
d44e1164 NG |
168 | do_test (&json_ctx, 0, 0, 8 << i, 8 << i, SMALL_CHAR); |
169 | do_test (&json_ctx, 8 - i, 2 * i, 8 << i, 8 << i, SMALL_CHAR); | |
170 | do_test (&json_ctx, 0, 0, 8 << i, 2 << i, SMALL_CHAR); | |
171 | do_test (&json_ctx, 8 - i, 2 * i, 8 << i, 2 << i, SMALL_CHAR); | |
97020474 SP |
172 | } |
173 | ||
174 | for (i = 1; i < 8; ++i) | |
175 | { | |
d44e1164 NG |
176 | do_test (&json_ctx, i, 2 * i, 8 << i, 1, SMALL_CHAR); |
177 | do_test (&json_ctx, 2 * i, i, 8 << i, 1, BIG_CHAR); | |
178 | do_test (&json_ctx, i, i, 8 << i, 10, SMALL_CHAR); | |
179 | do_test (&json_ctx, i, i, 8 << i, 10, BIG_CHAR); | |
180 | } | |
181 | ||
182 | for (i = 32; i < 256; i += 32) | |
183 | { | |
184 | do_test (&json_ctx, 1, 0, i, 31, SMALL_CHAR); | |
185 | do_test (&json_ctx, 0, i, i, 31, SMALL_CHAR); | |
186 | do_test (&json_ctx, 0, 0, i, 31, SMALL_CHAR); | |
187 | do_test (&json_ctx, i, i, i, 31, SMALL_CHAR); | |
97020474 SP |
188 | } |
189 | ||
d44e1164 NG |
190 | for (; i < 512; i += 64) |
191 | { | |
192 | do_test (&json_ctx, 1, 0, i, 31, SMALL_CHAR); | |
193 | do_test (&json_ctx, 0, i, i, 31, SMALL_CHAR); | |
194 | do_test (&json_ctx, 0, 0, i, 31, SMALL_CHAR); | |
195 | do_test (&json_ctx, i, i, i, 31, SMALL_CHAR); | |
196 | } | |
197 | ||
198 | for (; i < 1024; i += 128) | |
199 | { | |
200 | do_test (&json_ctx, 1, 0, i, 31, SMALL_CHAR); | |
201 | do_test (&json_ctx, 0, i, i, 31, SMALL_CHAR); | |
202 | do_test (&json_ctx, 0, 0, i, 31, SMALL_CHAR); | |
203 | do_test (&json_ctx, i, i, i, 31, SMALL_CHAR); | |
204 | } | |
205 | ||
206 | for (; i < 2048; i += 256) | |
207 | { | |
208 | do_test (&json_ctx, 1, 0, i, 31, SMALL_CHAR); | |
209 | do_test (&json_ctx, 0, i, i, 31, SMALL_CHAR); | |
210 | do_test (&json_ctx, 0, 0, i, 31, SMALL_CHAR); | |
211 | do_test (&json_ctx, i, i, i, 31, SMALL_CHAR); | |
212 | } | |
213 | ||
214 | json_array_end (&json_ctx); | |
215 | json_attr_object_end (&json_ctx); | |
216 | json_attr_object_end (&json_ctx); | |
217 | json_document_end (&json_ctx); | |
218 | ||
97020474 SP |
219 | return ret; |
220 | } | |
221 | ||
b598e134 | 222 | #include <support/test-driver.c> |