1 /* Measure strpbrk functions.
2 Copyright (C) 2013-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
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.
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.
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/>. */
19 #define BIG_CHAR MAX_CHAR
22 # define SMALL_CHAR 127
24 # define SMALL_CHAR 1273
27 #ifndef STRPBRK_RESULT
28 # define STRPBRK_RESULT(s, pos) ((s)[(pos)] ? (s) + (pos) : NULL)
29 # define RES_TYPE CHAR *
32 # define TEST_NAME "strpbrk"
34 # define TEST_NAME "wcspbrk"
36 # include "bench-string.h"
38 typedef CHAR
*(*proto_t
) (const CHAR
*, const CHAR
*);
42 #endif /* !STRPBRK_RESULT */
47 do_one_test (json_ctx_t
*json_ctx
, impl_t
*impl
, const CHAR
*s
,
48 const CHAR
*rej
, RES_TYPE exp_res
)
50 RES_TYPE res
= CALL (impl
, s
, rej
);
51 size_t i
, iters
= INNER_LOOP_ITERS8
/ CHARBYTES
;
52 timing_t start
, stop
, cur
;
56 error (0, 0, "Wrong result in function %s %p %p", impl
->name
,
57 (void *) res
, (void *) exp_res
);
63 for (i
= 0; i
< iters
; ++i
)
69 TIMING_DIFF (cur
, start
, stop
);
71 json_element_double (json_ctx
, (double)cur
/ (double)iters
);
75 do_test (json_ctx_t
*json_ctx
, size_t align1
, size_t align2
, size_t pos
,
84 if ((align1
+ pos
+ 10) * sizeof (CHAR
) >= page_size
|| len
> 240)
86 if ((align2
+ len
) * sizeof (CHAR
) >= page_size
)
89 rej
= (CHAR
*) (buf2
) + align2
;
90 s
= (CHAR
*) (buf1
) + align1
;
92 for (i
= 0; i
< len
; ++i
)
94 rej
[i
] = random () & BIG_CHAR
;
96 rej
[i
] = random () & BIG_CHAR
;
98 rej
[i
] = 1 + (random () & SMALL_CHAR
);
101 for (c
= 1; c
<= BIG_CHAR
; ++c
)
102 if (STRCHR (rej
, c
) == NULL
)
105 for (i
= 0; i
< pos
; ++i
)
107 s
[i
] = random () & BIG_CHAR
;
108 if (STRCHR (rej
, s
[i
]))
110 s
[i
] = random () & BIG_CHAR
;
111 if (STRCHR (rej
, s
[i
]))
115 s
[pos
] = rej
[random () % (len
+ 1)];
118 for (i
= pos
+ 1; i
< pos
+ 10; ++i
)
119 s
[i
] = random () & BIG_CHAR
;
122 result
= STRPBRK_RESULT (s
, pos
);
124 json_element_object_begin (json_ctx
);
125 json_attr_uint (json_ctx
, "len", len
);
126 json_attr_uint (json_ctx
, "pos", pos
);
127 json_attr_uint (json_ctx
, "align1", align1
);
128 json_attr_uint (json_ctx
, "align2", align2
);
129 json_array_begin (json_ctx
, "timings");
131 FOR_EACH_IMPL (impl
, 0)
132 do_one_test (json_ctx
, impl
, s
, rej
, result
);
134 json_array_end (json_ctx
);
135 json_element_object_end (json_ctx
);
146 json_init (&json_ctx
, 0, stdout
);
148 json_document_begin (&json_ctx
);
149 json_attr_string (&json_ctx
, "timing_type", TIMING_TYPE
);
151 json_attr_object_begin (&json_ctx
, "functions");
152 json_attr_object_begin (&json_ctx
, TEST_NAME
);
153 json_attr_string (&json_ctx
, "bench-variant", "");
155 json_array_begin (&json_ctx
, "ifuncs");
156 FOR_EACH_IMPL (impl
, 0)
157 json_element_string (&json_ctx
, impl
->name
);
158 json_array_end (&json_ctx
);
160 json_array_begin (&json_ctx
, "results");
163 for (i
= 0; i
< 32; ++i
)
165 do_test (&json_ctx
, 0, 0, 512, i
);
166 do_test (&json_ctx
, i
, 0, 512, i
);
167 do_test (&json_ctx
, 0, i
, 512, i
);
168 do_test (&json_ctx
, i
, i
, 512, i
);
172 for (i
= 1; i
< 8; ++i
)
174 do_test (&json_ctx
, 0, 0, 16 << i
, 4);
175 do_test (&json_ctx
, i
, 0, 16 << i
, 4);
176 do_test (&json_ctx
, 0, i
, 16 << i
, 4);
177 do_test (&json_ctx
, i
, i
, 16 << i
, 4);
180 for (i
= 1; i
< 8; ++i
)
182 do_test (&json_ctx
, i
, 0, 64, 10);
183 do_test (&json_ctx
, i
, i
, 64, 10);
186 for (i
= 0; i
< 64; ++i
)
188 do_test (&json_ctx
, 0, 0, i
, 6);
189 do_test (&json_ctx
, 0, i
, i
, 6);
192 json_array_end (&json_ctx
);
193 json_attr_object_end (&json_ctx
);
194 json_attr_object_end (&json_ctx
);
195 json_document_end (&json_ctx
);
200 #include <support/test-driver.c>