1 /* Measure strspn functions.
2 Copyright (C) 2013 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 <http://www.gnu.org/licenses/>. */
20 #define TEST_NAME "strspn"
21 #include "bench-string.h"
23 typedef size_t (*proto_t
) (const char *, const char *);
24 size_t simple_strspn (const char *, const char *);
25 size_t stupid_strspn (const char *, const char *);
27 IMPL (stupid_strspn
, 0)
28 IMPL (simple_strspn
, 0)
32 simple_strspn (const char *s
, const char *acc
)
34 const char *r
, *str
= s
;
37 while ((c
= *s
++) != '\0')
39 for (r
= acc
; *r
!= '\0'; ++r
)
49 stupid_strspn (const char *s
, const char *acc
)
51 size_t ns
= strlen (s
), nacc
= strlen (acc
);
54 for (i
= 0; i
< ns
; ++i
)
56 for (j
= 0; j
< nacc
; ++j
)
66 do_one_test (impl_t
*impl
, const char *s
, const char *acc
, size_t exp_res
)
68 size_t res
= CALL (impl
, s
, acc
);
71 error (0, 0, "Wrong result in function %s %p %p", impl
->name
,
72 (void *) res
, (void *) exp_res
);
79 hp_timing_t start
__attribute ((unused
));
80 hp_timing_t stop
__attribute ((unused
));
81 hp_timing_t best_time
= ~ (hp_timing_t
) 0;
84 for (i
= 0; i
< 32; ++i
)
86 HP_TIMING_NOW (start
);
89 HP_TIMING_BEST (best_time
, start
, stop
);
92 printf ("\t%zd", (size_t) best_time
);
97 do_test (size_t align
, size_t pos
, size_t len
)
103 if (align
+ pos
+ 10 >= page_size
|| len
> 240 || ! len
)
106 acc
= (char *) (buf2
+ (random () & 255));
107 s
= (char *) (buf1
+ align
);
109 for (i
= 0; i
< len
; ++i
)
111 acc
[i
] = random () & 255;
113 acc
[i
] = random () & 255;
115 acc
[i
] = 1 + (random () & 127);
119 for (i
= 0; i
< pos
; ++i
)
120 s
[i
] = acc
[random () % len
];
121 s
[pos
] = random () & 255;
122 if (strchr (acc
, s
[pos
]))
126 for (i
= pos
+ 1; i
< pos
+ 10; ++i
)
127 s
[i
] = random () & 255;
132 printf ("Length %4zd, alignment %2zd, acc len %2zd:", pos
, align
, len
);
134 FOR_EACH_IMPL (impl
, 0)
135 do_one_test (impl
, s
, acc
, pos
);
149 FOR_EACH_IMPL (impl
, 0)
150 printf ("\t%s", impl
->name
);
153 for (i
= 0; i
< 32; ++i
)
159 for (i
= 1; i
< 8; ++i
)
161 do_test (0, 16 << i
, 4);
162 do_test (i
, 16 << i
, 4);
165 for (i
= 1; i
< 8; ++i
)
168 for (i
= 0; i
< 64; ++i
)
174 #include "../test-skeleton.c"