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9f6e964c | 1 | /* Measure strtok functions. |
f7a9f785 | 2 | Copyright (C) 2013-2016 Free Software Foundation, Inc. |
9f6e964c RS |
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 | |
20 | #define TEST_NAME "strtok" | |
21 | #include "bench-string.h" | |
22 | ||
7b3551e3 OB |
23 | #define STRTOK strtok_string |
24 | #include <string/strtok.c> | |
9f6e964c | 25 | |
9f6e964c RS |
26 | |
27 | typedef char *(*proto_t) (const char *, const char *); | |
28 | ||
7b3551e3 | 29 | IMPL (strtok_string, 0) |
9f6e964c RS |
30 | IMPL (strtok, 1) |
31 | ||
32 | static void | |
33 | do_one_test (impl_t * impl, const char *s1, const char *s2) | |
34 | { | |
35 | size_t i, iters = INNER_LOOP_ITERS; | |
36 | timing_t start, stop, cur; | |
37 | TIMING_NOW (start); | |
38 | for (i = 0; i < iters; ++i) | |
39 | { | |
40 | CALL (impl, s1, s2); | |
41 | CALL (impl, NULL, s2); | |
42 | CALL (impl, NULL, s2); | |
43 | } | |
44 | TIMING_NOW (stop); | |
45 | ||
46 | TIMING_DIFF (cur, start, stop); | |
47 | ||
48 | TIMING_PRINT_MEAN ((double) cur, (double) iters); | |
49 | ||
50 | } | |
51 | ||
52 | ||
53 | static void | |
54 | do_test (size_t align1, size_t align2, size_t len1, size_t len2, int fail) | |
55 | { | |
56 | char *s2 = (char *) (buf2 + align2); | |
57 | static const char d[] = "1234567890abcdef"; | |
58 | #define dl (sizeof (d) - 1) | |
59 | char *ss2 = s2; | |
60 | for (size_t l = len2; l > 0; l = l > dl ? l - dl : 0) | |
61 | { | |
62 | size_t t = l > dl ? dl : l; | |
63 | ss2 = mempcpy (ss2, d, t); | |
64 | } | |
65 | s2[len2] = '\0'; | |
66 | ||
67 | printf ("Length %4zd/%zd, alignment %2zd/%2zd, %s:", | |
68 | len1, len2, align1, align2, fail ? "fail" : "found"); | |
69 | ||
70 | FOR_EACH_IMPL (impl, 0) | |
71 | { | |
72 | char *s1 = (char *) (buf1 + align1); | |
73 | if (fail) | |
74 | { | |
75 | char *ss1 = s1; | |
76 | for (size_t l = len1; l > 0; l = l > dl ? l - dl : 0) | |
77 | { | |
78 | size_t t = l > dl ? dl : l; | |
79 | memcpy (ss1, d, t); | |
80 | ++ss1[len2 > 7 ? 7 : len2 - 1]; | |
81 | ss1 += t; | |
82 | } | |
83 | } | |
84 | else | |
85 | { | |
86 | memset (s1, '0', len1); | |
87 | memcpy (s1 + (len1 - len2) - 2, s2, len2); | |
88 | if ((len1 / len2) > 4) | |
89 | memcpy (s1 + (len1 - len2) - (3 * len2), s2, len2); | |
90 | } | |
91 | s1[len1] = '\0'; | |
92 | do_one_test (impl, s1, s2); | |
93 | } | |
94 | putchar ('\n'); | |
95 | } | |
96 | ||
97 | static int | |
98 | test_main (void) | |
99 | { | |
100 | test_init (); | |
101 | ||
102 | printf ("%23s", ""); | |
103 | FOR_EACH_IMPL (impl, 0) | |
104 | printf ("\t%s", impl->name); | |
105 | putchar ('\n'); | |
106 | ||
107 | for (size_t klen = 2; klen < 32; ++klen) | |
108 | for (size_t hlen = 2 * klen; hlen < 16 * klen; hlen += klen) | |
109 | { | |
110 | do_test (0, 0, hlen, klen, 0); | |
111 | do_test (0, 0, hlen, klen, 1); | |
112 | do_test (0, 3, hlen, klen, 0); | |
113 | do_test (0, 3, hlen, klen, 1); | |
114 | do_test (0, 9, hlen, klen, 0); | |
115 | do_test (0, 9, hlen, klen, 1); | |
116 | do_test (0, 15, hlen, klen, 0); | |
117 | do_test (0, 15, hlen, klen, 1); | |
118 | ||
119 | do_test (3, 0, hlen, klen, 0); | |
120 | do_test (3, 0, hlen, klen, 1); | |
121 | do_test (3, 3, hlen, klen, 0); | |
122 | do_test (3, 3, hlen, klen, 1); | |
123 | do_test (3, 9, hlen, klen, 0); | |
124 | do_test (3, 9, hlen, klen, 1); | |
125 | do_test (3, 15, hlen, klen, 0); | |
126 | do_test (3, 15, hlen, klen, 1); | |
127 | ||
128 | do_test (9, 0, hlen, klen, 0); | |
129 | do_test (9, 0, hlen, klen, 1); | |
130 | do_test (9, 3, hlen, klen, 0); | |
131 | do_test (9, 3, hlen, klen, 1); | |
132 | do_test (9, 9, hlen, klen, 0); | |
133 | do_test (9, 9, hlen, klen, 1); | |
134 | do_test (9, 15, hlen, klen, 0); | |
135 | do_test (9, 15, hlen, klen, 1); | |
136 | ||
137 | do_test (15, 0, hlen, klen, 0); | |
138 | do_test (15, 0, hlen, klen, 1); | |
139 | do_test (15, 3, hlen, klen, 0); | |
140 | do_test (15, 3, hlen, klen, 1); | |
141 | do_test (15, 9, hlen, klen, 0); | |
142 | do_test (15, 9, hlen, klen, 1); | |
143 | do_test (15, 15, hlen, klen, 0); | |
144 | do_test (15, 15, hlen, klen, 1); | |
145 | } | |
146 | do_test (0, 0, page_size - 1, 16, 0); | |
147 | do_test (0, 0, page_size - 1, 16, 1); | |
148 | ||
149 | return ret; | |
150 | } | |
151 | ||
152 | #include "../test-skeleton.c" |