mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-10 07:10:06 +00:00
benchtests: Add strsep benchmark
This commit is contained in:
Rajalakshmi Srinivasaraghavan
Adhemerval Zanella
parent
d540fc8a66
commit
250c23bdd9
@ -1,3 +1,9 @@
|
||||
2013-11-18 Rajalakshmi Srinivasaraghavan <raji@linux.vnet.ibm.com>
|
||||
|
||||
* benchtests/Makefile: Add strsep.
|
||||
* benchtests/bench-strsep.c: New file: strsep benchtest.
|
||||
* benchtests/bench-strsep-ifunc.c: New file: strsep benchtest.
|
||||
|
||||
2013-11-18 Andreas Schwab <schwab@suse.de>
|
||||
|
||||
* locale/programs/locale.c (show_info) [case byte]: Check for
|
||||
|
||||
@ -28,7 +28,7 @@ string-bench := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
|
||||
mempcpy memset rawmemchr stpcpy stpncpy strcasecmp strcasestr \
|
||||
strcat strchr strchrnul strcmp strcpy strcspn strlen \
|
||||
strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
|
||||
strspn strstr strcpy_chk stpcpy_chk memrchr
|
||||
strspn strstr strcpy_chk stpcpy_chk memrchr strsep
|
||||
string-bench-ifunc := $(addsuffix -ifunc, $(string-bench))
|
||||
string-bench-all := $(string-bench) $(string-bench-ifunc)
|
||||
|
||||
|
||||
20
benchtests/bench-strsep-ifunc.c
Normal file
20
benchtests/bench-strsep-ifunc.c
Normal file
@ -0,0 +1,20 @@
|
||||
/* Measure IFUNC implementations of strsep function.
|
||||
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#define TEST_IFUNC 1
|
||||
#include "bench-strsep.c"
|
||||
174
benchtests/bench-strsep.c
Normal file
174
benchtests/bench-strsep.c
Normal file
@ -0,0 +1,174 @@
|
||||
/* Measure strsep functions.
|
||||
Copyright (C) 2013 Free Software Foundation, Inc.
|
||||
This file is part of the GNU C Library.
|
||||
|
||||
The GNU C Library is free software; you can redistribute it and/or
|
||||
modify it under the terms of the GNU Lesser General Public
|
||||
License as published by the Free Software Foundation; either
|
||||
version 2.1 of the License, or (at your option) any later version.
|
||||
|
||||
The GNU C Library is distributed in the hope that it will be useful,
|
||||
but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||||
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
|
||||
Lesser General Public License for more details.
|
||||
|
||||
You should have received a copy of the GNU Lesser General Public
|
||||
License along with the GNU C Library; if not, see
|
||||
<http://www.gnu.org/licenses/>. */
|
||||
|
||||
#define TEST_MAIN
|
||||
#define TEST_NAME "strsep"
|
||||
#include "bench-string.h"
|
||||
|
||||
char *
|
||||
simple_strsep (char **s1, char *s2)
|
||||
{
|
||||
char *begin;
|
||||
char *s;
|
||||
size_t j = 0;
|
||||
|
||||
begin = *s1;
|
||||
s = begin;
|
||||
if (begin == NULL)
|
||||
return NULL;
|
||||
ssize_t s2len = strlen (s2);
|
||||
while (*s)
|
||||
{
|
||||
for (j = 0; j < s2len; j++)
|
||||
{
|
||||
if (*s == s2[j])
|
||||
{
|
||||
s[0] = '\0';
|
||||
*s1 = s + 1;
|
||||
return begin;
|
||||
}
|
||||
}
|
||||
s++;
|
||||
}
|
||||
*s1 = NULL;
|
||||
return begin;
|
||||
}
|
||||
|
||||
typedef char *(*proto_t) (const char **, const char *);
|
||||
|
||||
IMPL (simple_strsep, 0)
|
||||
IMPL (strsep, 1)
|
||||
|
||||
static void
|
||||
do_one_test (impl_t * impl, const char *s1, const char *s2)
|
||||
{
|
||||
size_t i, iters = INNER_LOOP_ITERS;
|
||||
timing_t start, stop, cur;
|
||||
|
||||
TIMING_NOW (start);
|
||||
for (i = 0; i < iters; ++i)
|
||||
{
|
||||
CALL (impl, &s1, s2);
|
||||
}
|
||||
TIMING_NOW (stop);
|
||||
|
||||
TIMING_DIFF (cur, start, stop);
|
||||
|
||||
TIMING_PRINT_MEAN ((double) cur, (double) iters);
|
||||
}
|
||||
|
||||
static void
|
||||
do_test (size_t align1, size_t align2, size_t len1, size_t len2, int fail)
|
||||
{
|
||||
char *s2 = (char *) (buf2 + align2);
|
||||
static const char d[] = "1234567890abcdef";
|
||||
#define dl (sizeof (d) - 1)
|
||||
char *ss2 = s2;
|
||||
for (size_t l = len2; l > 0; l = l > dl ? l - dl : 0)
|
||||
{
|
||||
size_t t = l > dl ? dl : l;
|
||||
ss2 = mempcpy (ss2, d, t);
|
||||
}
|
||||
s2[len2] = '\0';
|
||||
|
||||
printf ("Length %4zd/%zd, alignment %2zd/%2zd, %s:",
|
||||
len1, len2, align1, align2, fail ? "fail" : "found");
|
||||
|
||||
FOR_EACH_IMPL (impl, 0)
|
||||
{
|
||||
char *s1 = (char *) (buf1 + align1);
|
||||
if (fail)
|
||||
{
|
||||
char *ss1 = s1;
|
||||
for (size_t l = len1; l > 0; l = l > dl ? l - dl : 0)
|
||||
{
|
||||
size_t t = l > dl ? dl : l;
|
||||
memcpy (ss1, d, t);
|
||||
++ss1[len2 > 7 ? 7 : len2 - 1];
|
||||
ss1 += t;
|
||||
}
|
||||
}
|
||||
else
|
||||
{
|
||||
memset (s1, '0', len1);
|
||||
memcpy (s1 + (len1 - len2) - 2, s2, len2);
|
||||
if ((len1 / len2) > 4)
|
||||
memcpy (s1 + (len1 - len2) - (3 * len2), s2, len2);
|
||||
}
|
||||
s1[len1] = '\0';
|
||||
do_one_test (impl, s1, s2);
|
||||
}
|
||||
putchar ('\n');
|
||||
}
|
||||
|
||||
static int
|
||||
test_main (void)
|
||||
{
|
||||
test_init ();
|
||||
|
||||
printf ("%23s", "");
|
||||
FOR_EACH_IMPL (impl, 0)
|
||||
printf ("\t%s", impl->name);
|
||||
putchar ('\n');
|
||||
|
||||
for (size_t klen = 2; klen < 32; ++klen)
|
||||
for (size_t hlen = 2 * klen; hlen < 16 * klen; hlen += klen)
|
||||
{
|
||||
do_test (0, 0, hlen, klen, 0);
|
||||
do_test (0, 0, hlen, klen, 1);
|
||||
do_test (0, 3, hlen, klen, 0);
|
||||
do_test (0, 3, hlen, klen, 1);
|
||||
do_test (0, 9, hlen, klen, 0);
|
||||
do_test (0, 9, hlen, klen, 1);
|
||||
do_test (0, 15, hlen, klen, 0);
|
||||
do_test (0, 15, hlen, klen, 1);
|
||||
|
||||
do_test (3, 0, hlen, klen, 0);
|
||||
do_test (3, 0, hlen, klen, 1);
|
||||
do_test (3, 3, hlen, klen, 0);
|
||||
do_test (3, 3, hlen, klen, 1);
|
||||
do_test (3, 9, hlen, klen, 0);
|
||||
do_test (3, 9, hlen, klen, 1);
|
||||
do_test (3, 15, hlen, klen, 0);
|
||||
do_test (3, 15, hlen, klen, 1);
|
||||
|
||||
do_test (9, 0, hlen, klen, 0);
|
||||
do_test (9, 0, hlen, klen, 1);
|
||||
do_test (9, 3, hlen, klen, 0);
|
||||
do_test (9, 3, hlen, klen, 1);
|
||||
do_test (9, 9, hlen, klen, 0);
|
||||
do_test (9, 9, hlen, klen, 1);
|
||||
do_test (9, 15, hlen, klen, 0);
|
||||
do_test (9, 15, hlen, klen, 1);
|
||||
|
||||
do_test (15, 0, hlen, klen, 0);
|
||||
do_test (15, 0, hlen, klen, 1);
|
||||
do_test (15, 3, hlen, klen, 0);
|
||||
do_test (15, 3, hlen, klen, 1);
|
||||
do_test (15, 9, hlen, klen, 0);
|
||||
do_test (15, 9, hlen, klen, 1);
|
||||
do_test (15, 15, hlen, klen, 0);
|
||||
do_test (15, 15, hlen, klen, 1);
|
||||
}
|
||||
do_test (0, 0, page_size - 1, 16, 0);
|
||||
do_test (0, 0, page_size - 1, 16, 1);
|
||||
|
||||
return ret;
|
||||
}
|
||||
|
||||
#include "../test-skeleton.c"
|
||||
Loading…
Reference in New Issue
Block a user