1 | /* Measure strncasecmp 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 | #include <ctype.h> |
20 | #define TEST_MAIN |
21 | #define TEST_NAME "strncasecmp" |
22 | #include "bench-string.h" |
23 | #include "json-lib.h" |
24 | |
25 | typedef int (*proto_t) (const char *, const char *, size_t); |
26 | |
27 | IMPL (strncasecmp, 1) |
28 | |
29 | static void |
30 | do_one_test (json_ctx_t *json_ctx, impl_t *impl, const char *s1, |
31 | const char *s2, size_t n, int exp_result) |
32 | { |
33 | size_t i, iters = INNER_LOOP_ITERS8; |
34 | timing_t start, stop, cur; |
35 | |
36 | TIMING_NOW (start); |
37 | for (i = 0; i < iters; ++i) |
38 | { |
39 | CALL (impl, s1, s2, n); |
40 | } |
41 | TIMING_NOW (stop); |
42 | |
43 | TIMING_DIFF (cur, start, stop); |
44 | |
45 | json_element_double (ctx: json_ctx, d: (double) cur / (double) iters); |
46 | } |
47 | |
48 | static void |
49 | do_test (json_ctx_t *json_ctx, size_t align1, size_t align2, size_t n, |
50 | size_t len, int max_char, int exp_result) |
51 | { |
52 | size_t i; |
53 | char *s1, *s2; |
54 | |
55 | if (len == 0) |
56 | return; |
57 | |
58 | align1 &= 7; |
59 | if (align1 + len + 1 >= page_size) |
60 | return; |
61 | |
62 | align2 &= 7; |
63 | if (align2 + len + 1 >= page_size) |
64 | return; |
65 | |
66 | s1 = (char *) (buf1 + align1); |
67 | s2 = (char *) (buf2 + align2); |
68 | |
69 | for (i = 0; i < len; i++) |
70 | { |
71 | s1[i] = toupper (1 + 23 * i % max_char); |
72 | s2[i] = tolower (s1[i]); |
73 | } |
74 | |
75 | s1[len] = s2[len] = 0; |
76 | s1[len + 1] = 23; |
77 | s2[len + 1] = 24 + exp_result; |
78 | if ((s2[len - 1] == 'z' && exp_result == -1) |
79 | || (s2[len - 1] == 'a' && exp_result == 1)) |
80 | s1[len - 1] += exp_result; |
81 | else |
82 | s2[len - 1] -= exp_result; |
83 | |
84 | json_element_object_begin (ctx: json_ctx); |
85 | json_attr_uint (ctx: json_ctx, name: "length" , d: len); |
86 | json_attr_uint (ctx: json_ctx, name: "n" , d: n); |
87 | json_attr_uint (ctx: json_ctx, name: "align1" , d: align1); |
88 | json_attr_uint (ctx: json_ctx, name: "align2" , d: align2); |
89 | json_attr_uint (ctx: json_ctx, name: "max_char" , d: max_char); |
90 | json_array_begin (ctx: json_ctx, name: "timings" ); |
91 | |
92 | FOR_EACH_IMPL (impl, 0) |
93 | do_one_test (json_ctx, impl, s1, s2, n, exp_result); |
94 | |
95 | json_array_end (ctx: json_ctx); |
96 | json_element_object_end (ctx: json_ctx); |
97 | } |
98 | |
99 | int |
100 | test_main (void) |
101 | { |
102 | json_ctx_t json_ctx; |
103 | size_t i; |
104 | |
105 | test_init (); |
106 | |
107 | json_init (ctx: &json_ctx, indent_level: 0, stdout); |
108 | |
109 | json_document_begin (ctx: &json_ctx); |
110 | json_attr_string (ctx: &json_ctx, name: "timing_type" , TIMING_TYPE); |
111 | |
112 | json_attr_object_begin (ctx: &json_ctx, name: "functions" ); |
113 | json_attr_object_begin (ctx: &json_ctx, TEST_NAME); |
114 | json_attr_string (ctx: &json_ctx, name: "bench-variant" , s: "" ); |
115 | |
116 | json_array_begin (ctx: &json_ctx, name: "ifuncs" ); |
117 | FOR_EACH_IMPL (impl, 0) |
118 | json_element_string (ctx: &json_ctx, s: impl->name); |
119 | json_array_end (ctx: &json_ctx); |
120 | |
121 | json_array_begin (ctx: &json_ctx, name: "results" ); |
122 | |
123 | for (i = 1; i < 16; ++i) |
124 | { |
125 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i - 1, len: i, max_char: 127, exp_result: 0); |
126 | |
127 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i, len: i, max_char: 127, exp_result: 0); |
128 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i, len: i, max_char: 127, exp_result: 1); |
129 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i, len: i, max_char: 127, exp_result: -1); |
130 | |
131 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i + 1, len: i, max_char: 127, exp_result: 0); |
132 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i + 1, len: i, max_char: 127, exp_result: 1); |
133 | do_test (json_ctx: &json_ctx, align1: i, align2: i, n: i + 1, len: i, max_char: 127, exp_result: -1); |
134 | } |
135 | |
136 | for (i = 1; i < 10; ++i) |
137 | { |
138 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) - 1, len: 2 << i, max_char: 127, exp_result: 0); |
139 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: 2 << i, len: 2 << i, max_char: 254, exp_result: 0); |
140 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) + 1, len: 2 << i, max_char: 127, exp_result: 0); |
141 | |
142 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) + 1, len: 2 << i, max_char: 254, exp_result: 0); |
143 | |
144 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: 2 << i, len: 2 << i, max_char: 127, exp_result: 1); |
145 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) + 10, len: 2 << i, max_char: 127, exp_result: 1); |
146 | |
147 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: 2 << i, len: 2 << i, max_char: 254, exp_result: 1); |
148 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) + 10, len: 2 << i, max_char: 254, exp_result: 1); |
149 | |
150 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: 2 << i, len: 2 << i, max_char: 127, exp_result: -1); |
151 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) + 10, len: 2 << i, max_char: 127, exp_result: -1); |
152 | |
153 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: 2 << i, len: 2 << i, max_char: 254, exp_result: -1); |
154 | do_test (json_ctx: &json_ctx, align1: 0, align2: 0, n: (2 << i) + 10, len: 2 << i, max_char: 254, exp_result: -1); |
155 | } |
156 | |
157 | for (i = 1; i < 8; ++i) |
158 | { |
159 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: (8 << i) - 1, len: 8 << i, max_char: 127, exp_result: 0); |
160 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: 8 << i, len: 8 << i, max_char: 127, exp_result: 0); |
161 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: (8 << i) + 100, len: 8 << i, max_char: 127, exp_result: 0); |
162 | |
163 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: (8 << i) - 1, len: 8 << i, max_char: 254, exp_result: 0); |
164 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: 8 << i, len: 8 << i, max_char: 254, exp_result: 0); |
165 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: (8 << i) + 100, len: 8 << i, max_char: 254, exp_result: 0); |
166 | |
167 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: 8 << i, len: 8 << i, max_char: 127, exp_result: 1); |
168 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: (8 << i) + 100, len: 8 << i, max_char: 127, exp_result: 1); |
169 | |
170 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: 8 << i, len: 8 << i, max_char: 254, exp_result: 1); |
171 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: (8 << i) + 100, len: 8 << i, max_char: 254, exp_result: 1); |
172 | |
173 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: 8 << i, len: 8 << i, max_char: 127, exp_result: -1); |
174 | do_test (json_ctx: &json_ctx, align1: i, align2: 2 * i, n: (8 << i) + 100, len: 8 << i, max_char: 127, exp_result: -1); |
175 | |
176 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: 8 << i, len: 8 << i, max_char: 254, exp_result: -1); |
177 | do_test (json_ctx: &json_ctx, align1: 2 * i, align2: i, n: (8 << i) + 100, len: 8 << i, max_char: 254, exp_result: -1); |
178 | } |
179 | |
180 | json_array_end (ctx: &json_ctx); |
181 | json_attr_object_end (ctx: &json_ctx); |
182 | json_attr_object_end (ctx: &json_ctx); |
183 | json_document_end (ctx: &json_ctx); |
184 | |
185 | return ret; |
186 | } |
187 | |
188 | #include <support/test-driver.c> |
189 | |