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