1 /* Measure strspn functions.
2 Copyright (C) 2013-2022 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/>. */
21 # define TEST_NAME "strspn"
23 # define TEST_NAME "wcsspn"
25 #include "bench-string.h"
27 #define BIG_CHAR MAX_CHAR
30 # define SIMPLE_STRSPN simple_strspn
31 # define SMALL_CHAR 127
33 # define SIMPLE_STRSPN simple_wcsspn
34 # define SMALL_CHAR 1273
37 typedef size_t (*proto_t) (const CHAR *, const CHAR *);
38 size_t SIMPLE_STRSPN (const CHAR *, const CHAR *);
40 IMPL (SIMPLE_STRSPN, 0)
44 SIMPLE_STRSPN (const CHAR *s, const CHAR *acc)
46 const CHAR *r, *str = s;
49 while ((c = *s++) != '\0')
51 for (r = acc; *r != '\0'; ++r)
61 do_one_test (impl_t *impl, const CHAR *s, const CHAR *acc, size_t exp_res)
63 size_t res = CALL (impl, s, acc), i, iters = INNER_LOOP_ITERS_MEDIUM;
64 timing_t start, stop, cur;
68 error (0, 0, "Wrong result in function %s %p %p", impl->name,
69 (void *) res, (void *) exp_res);
75 for (i = 0; i < iters; ++i)
81 TIMING_DIFF (cur, start, stop);
83 TIMING_PRINT_MEAN ((double) cur, (double) iters);
87 do_test (size_t align, size_t pos, size_t len)
93 if ((align + pos + 10) * sizeof (CHAR) >= page_size || len > 240 || ! len)
96 acc = (CHAR *) (buf2) + (random () & 255);
97 s = (CHAR *) (buf1) + align;
99 for (i = 0; i < len; ++i)
101 acc[i] = random () & BIG_CHAR;
103 acc[i] = random () & BIG_CHAR;
105 acc[i] = 1 + (random () & SMALL_CHAR);
109 for (i = 0; i < pos; ++i)
110 s[i] = acc[random () % len];
111 s[pos] = random () & BIG_CHAR;
112 if (STRCHR (acc, s[pos]))
116 for (i = pos + 1; i < pos + 10; ++i)
117 s[i] = random () & BIG_CHAR;
121 printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos, align, len);
123 FOR_EACH_IMPL (impl, 0)
124 do_one_test (impl, s, acc, pos);
137 FOR_EACH_IMPL (impl, 0)
138 printf ("\t%s", impl->name);
141 for (i = 0; i < 32; ++i)
147 for (i = 1; i < 8; ++i)
149 do_test (0, 16 << i, 4);
150 do_test (i, 16 << i, 4);
153 for (i = 1; i < 8; ++i)
156 for (i = 0; i < 64; ++i)
162 #include <support/test-driver.c>