1 | /* Measure strspn functions. |
2 | Copyright (C) 2013-2024 Free Software Foundation, Inc. |
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 | <https://www.gnu.org/licenses/>. */ |
18 | |
19 | #define TEST_MAIN |
20 | #ifndef WIDE |
21 | # define TEST_NAME "strspn" |
22 | #else |
23 | # define TEST_NAME "wcsspn" |
24 | #endif /* WIDE */ |
25 | #include "bench-string.h" |
26 | #include "json-lib.h" |
27 | |
28 | #define BIG_CHAR MAX_CHAR |
29 | |
30 | #ifndef WIDE |
31 | # define SMALL_CHAR 127 |
32 | #else |
33 | # define SMALL_CHAR 1273 |
34 | #endif /* WIDE */ |
35 | |
36 | typedef size_t (*proto_t) (const CHAR *, const CHAR *); |
37 | |
38 | IMPL (STRSPN, 1) |
39 | |
40 | static void |
41 | do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, |
42 | const CHAR *acc, size_t exp_res) |
43 | { |
44 | size_t res = CALL (impl, s, acc), i, iters = INNER_LOOP_ITERS8 / CHARBYTES; |
45 | timing_t start, stop, cur; |
46 | |
47 | if (res != exp_res) |
48 | { |
49 | error (status: 0, errnum: 0, format: "Wrong result in function %s %p %p" , impl->name, |
50 | (void *) res, (void *) exp_res); |
51 | ret = 1; |
52 | return; |
53 | } |
54 | |
55 | TIMING_NOW (start); |
56 | for (i = 0; i < iters; ++i) |
57 | { |
58 | CALL (impl, s, acc); |
59 | } |
60 | TIMING_NOW (stop); |
61 | |
62 | TIMING_DIFF (cur, start, stop); |
63 | |
64 | json_element_double (ctx: json_ctx, d: (double)cur / (double)iters); |
65 | } |
66 | |
67 | static void |
68 | do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t pos, |
69 | size_t len) |
70 | { |
71 | size_t i; |
72 | CHAR *acc, *s; |
73 | |
74 | align1 &= 7; |
75 | if ((align1 + pos + 10) * sizeof (CHAR) >= page_size || len > 240 || !len) |
76 | return; |
77 | if ((align2 + len) * sizeof (CHAR) >= page_size) |
78 | return; |
79 | |
80 | acc = (CHAR *) (buf2) + align2; |
81 | s = (CHAR *) (buf1) + align1; |
82 | |
83 | for (i = 0; i < len; ++i) |
84 | { |
85 | acc[i] = random () & BIG_CHAR; |
86 | if (!acc[i]) |
87 | acc[i] = random () & BIG_CHAR; |
88 | if (!acc[i]) |
89 | acc[i] = 1 + (random () & SMALL_CHAR); |
90 | } |
91 | acc[len] = '\0'; |
92 | |
93 | for (i = 0; i < pos; ++i) |
94 | s[i] = acc[random () % len]; |
95 | s[pos] = random () & BIG_CHAR; |
96 | if (STRCHR (acc, s[pos])) |
97 | s[pos] = '\0'; |
98 | else |
99 | { |
100 | for (i = pos + 1; i < pos + 10; ++i) |
101 | s[i] = random () & BIG_CHAR; |
102 | s[i] = '\0'; |
103 | } |
104 | |
105 | json_element_object_begin (ctx: json_ctx); |
106 | json_attr_uint (ctx: json_ctx, name: "len" , d: len); |
107 | json_attr_uint (ctx: json_ctx, name: "pos" , d: pos); |
108 | json_attr_uint (ctx: json_ctx, name: "align1" , d: align1); |
109 | json_attr_uint (ctx: json_ctx, name: "align2" , d: align2); |
110 | json_array_begin (ctx: json_ctx, name: "timings" ); |
111 | |
112 | FOR_EACH_IMPL (impl, 0) |
113 | do_one_test (json_ctx, impl, s, acc, exp_res: pos); |
114 | |
115 | json_array_end (ctx: json_ctx); |
116 | json_element_object_end (ctx: json_ctx); |
117 | } |
118 | |
119 | int |
120 | test_main (void) |
121 | { |
122 | json_ctx_t json_ctx; |
123 | size_t i; |
124 | |
125 | test_init (); |
126 | |
127 | json_init (ctx: &json_ctx, indent_level: 0, stdout); |
128 | |
129 | json_document_begin (ctx: &json_ctx); |
130 | json_attr_string (ctx: &json_ctx, name: "timing_type" , TIMING_TYPE); |
131 | |
132 | json_attr_object_begin (ctx: &json_ctx, name: "functions" ); |
133 | json_attr_object_begin (ctx: &json_ctx, TEST_NAME); |
134 | json_attr_string (ctx: &json_ctx, name: "bench-variant" , s: "" ); |
135 | |
136 | json_array_begin (ctx: &json_ctx, name: "ifuncs" ); |
137 | FOR_EACH_IMPL (impl, 0) |
138 | json_element_string (ctx: &json_ctx, s: impl->name); |
139 | json_array_end (ctx: &json_ctx); |
140 | |
141 | json_array_begin (ctx: &json_ctx, name: "results" ); |
142 | |
143 | for (i = 0; i < 32; ++i) |
144 | { |
145 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, pos: 512, len: i); |
146 | do_test (json_ctx: &json_ctx, align1: i, align2: 0, pos: 512, len: i); |
147 | do_test (json_ctx: &json_ctx, align1: 0, align2: i, pos: 512, len: i); |
148 | do_test (json_ctx: &json_ctx, align1: i, align2: i, pos: 512, len: i); |
149 | } |
150 | |
151 | for (i = 1; i < 8; ++i) |
152 | { |
153 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, pos: 16 << i, len: 4); |
154 | do_test (json_ctx: &json_ctx, align1: i, align2: 0, pos: 16 << i, len: 4); |
155 | do_test (json_ctx: &json_ctx, align1: 0, align2: i, pos: 16 << i, len: 4); |
156 | do_test (json_ctx: &json_ctx, align1: i, align2: i, pos: 16 << i, len: 4); |
157 | } |
158 | |
159 | for (i = 1; i < 8; ++i) |
160 | { |
161 | do_test (json_ctx: &json_ctx, align1: i, align2: 0, pos: 64, len: 10); |
162 | do_test (json_ctx: &json_ctx, align1: i, align2: i, pos: 64, len: 10); |
163 | } |
164 | |
165 | for (i = 0; i < 64; ++i) |
166 | { |
167 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, pos: i, len: 6); |
168 | do_test (json_ctx: &json_ctx, align1: 0, align2: i, pos: i, len: 6); |
169 | } |
170 | |
171 | json_array_end (ctx: &json_ctx); |
172 | json_attr_object_end (ctx: &json_ctx); |
173 | json_attr_object_end (ctx: &json_ctx); |
174 | json_document_end (ctx: &json_ctx); |
175 | |
176 | return ret; |
177 | } |
178 | |
179 | #include <support/test-driver.c> |
180 | |