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Diffstat (limited to 'benchtests/bench-strnlen.c')
-rw-r--r-- | benchtests/bench-strnlen.c | 153 |
1 files changed, 0 insertions, 153 deletions
diff --git a/benchtests/bench-strnlen.c b/benchtests/bench-strnlen.c deleted file mode 100644 index 592e3013f8..0000000000 --- a/benchtests/bench-strnlen.c +++ /dev/null @@ -1,153 +0,0 @@ -/* Measure strlen functions. - Copyright (C) 2013-2017 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 -#ifndef WIDE -# define TEST_NAME "strnlen" -#else -# define TEST_NAME "wcsnlen" -#endif /* WIDE */ -#include "bench-string.h" - -#ifndef WIDE -# define STRNLEN strnlen -# define CHAR char -# define BIG_CHAR CHAR_MAX -# define MIDDLE_CHAR 127 -# define SIMPLE_STRNLEN simple_strnlen -#else -# include <wchar.h> -# define STRNLEN wcsnlen -# define CHAR wchar_t -# define BIG_CHAR WCHAR_MAX -# define MIDDLE_CHAR 1121 -# define SIMPLE_STRNLEN simple_wcsnlen -#endif /* WIDE */ - -typedef size_t (*proto_t) (const CHAR *, size_t); -size_t SIMPLE_STRNLEN (const CHAR *, size_t); - -IMPL (SIMPLE_STRNLEN, 0) -IMPL (STRNLEN, 1) - -size_t -SIMPLE_STRNLEN (const CHAR *s, size_t maxlen) -{ - size_t i; - - for (i = 0; i < maxlen && s[i]; ++i); - return i; -} - -static void -do_one_test (impl_t *impl, const CHAR *s, size_t maxlen, size_t exp_len) -{ - size_t len = CALL (impl, s, maxlen), i, iters = INNER_LOOP_ITERS; - timing_t start, stop, cur; - - if (len != exp_len) - { - error (0, 0, "Wrong result in function %s %zd %zd", impl->name, - len, exp_len); - ret = 1; - return; - } - - TIMING_NOW (start); - for (i = 0; i < iters; ++i) - { - CALL (impl, s, maxlen); - } - TIMING_NOW (stop); - - TIMING_DIFF (cur, start, stop); - - TIMING_PRINT_MEAN ((double) cur, (double) iters); -} - -static void -do_test (size_t align, size_t len, size_t maxlen, int max_char) -{ - size_t i; - - align &= 63; - if ((align + len) * sizeof (CHAR) >= page_size) - return; - - CHAR *buf = (CHAR *) (buf1); - - for (i = 0; i < len; ++i) - buf[align + i] = 1 + 7 * i % max_char; - buf[align + len] = 0; - - printf ("Length %4zd, alignment %2zd:", len, align); - - FOR_EACH_IMPL (impl, 0) - do_one_test (impl, (CHAR *) (buf + align), maxlen, MIN (len, maxlen)); - - putchar ('\n'); -} - -int -test_main (void) -{ - size_t i; - - test_init (); - - printf ("%20s", ""); - FOR_EACH_IMPL (impl, 0) - printf ("\t%s", impl->name); - putchar ('\n'); - - for (i = 1; i < 8; ++i) - { - do_test (0, i, i - 1, MIDDLE_CHAR); - do_test (0, i, i, MIDDLE_CHAR); - do_test (0, i, i + 1, MIDDLE_CHAR); - } - - for (i = 1; i < 8; ++i) - { - do_test (i, i, i - 1, MIDDLE_CHAR); - do_test (i, i, i, MIDDLE_CHAR); - do_test (i, i, i + 1, MIDDLE_CHAR); - } - - for (i = 2; i <= 10; ++i) - { - do_test (0, 1 << i, 5000, MIDDLE_CHAR); - do_test (1, 1 << i, 5000, MIDDLE_CHAR); - } - - for (i = 1; i < 8; ++i) - do_test (0, i, 5000, BIG_CHAR); - - for (i = 1; i < 8; ++i) - do_test (i, i, 5000, BIG_CHAR); - - for (i = 2; i <= 10; ++i) - { - do_test (0, 1 << i, 5000, BIG_CHAR); - do_test (1, 1 << i, 5000, BIG_CHAR); - } - - return ret; -} - -#include <support/test-driver.c> |