diff options
Diffstat (limited to 'benchtests/bench-strncpy.c')
| -rw-r--r-- | benchtests/bench-strncpy.c | 110 |
1 files changed, 73 insertions, 37 deletions
diff --git a/benchtests/bench-strncpy.c b/benchtests/bench-strncpy.c index 517daa0d98..de1e2af3e3 100644 --- a/benchtests/bench-strncpy.c +++ b/benchtests/bench-strncpy.c @@ -16,23 +16,56 @@ License along with the GNU C Library; if not, see <http://www.gnu.org/licenses/>. */ +#ifdef WIDE +# include <wchar.h> +# define CHAR wchar_t +# define UCHAR wchar_t +# define BIG_CHAR WCHAR_MAX +# define SMALL_CHAR 1273 +# define MEMCMP wmemcmp +# define MEMSET wmemset +# define STRNLEN wcsnlen +#else +# define CHAR char +# define UCHAR unsigned char +# define BIG_CHAR CHAR_MAX +# define SMALL_CHAR 127 +# define MEMCMP memcmp +# define MEMSET memset +# define STRNLEN strnlen +#endif /* !WIDE */ + + #ifndef STRNCPY_RESULT # define STRNCPY_RESULT(dst, len, n) dst # define TEST_MAIN -# define TEST_NAME "strncpy" +# ifndef WIDE +# define TEST_NAME "strncpy" +# else +# define TEST_NAME "wcsncpy" +# endif /* WIDE */ # include "bench-string.h" - -char *simple_strncpy (char *, const char *, size_t); -char *stupid_strncpy (char *, const char *, size_t); - -IMPL (stupid_strncpy, 0) -IMPL (simple_strncpy, 0) -IMPL (strncpy, 1) - -char * -simple_strncpy (char *dst, const char *src, size_t n) +# ifndef WIDE +# define SIMPLE_STRNCPY simple_strncpy +# define STUPID_STRNCPY stupid_strncpy +# define STRNCPY strncpy +# else +# define SIMPLE_STRNCPY simple_wcsncpy +# define STUPID_STRNCPY stupid_wcsncpy +# define STRNCPY wcsncpy +# endif /* WIDE */ + +CHAR *SIMPLE_STRNCPY (CHAR *, const CHAR *, size_t); +CHAR *STUPID_STRNCPY (CHAR *, const CHAR *, size_t); + +IMPL (STUPID_STRNCPY, 0) +IMPL (SIMPLE_STRNCPY, 0) +IMPL (STRNCPY, 1) + +CHAR * +SIMPLE_STRNCPY (CHAR *dst, const CHAR *src, size_t n) { - char *ret = dst; + CHAR *ret = dst; while (n--) if ((*dst++ = *src++) == '\0') { @@ -43,10 +76,10 @@ simple_strncpy (char *dst, const char *src, size_t n) return ret; } -char * -stupid_strncpy (char *dst, const char *src, size_t n) +CHAR * +STUPID_STRNCPY (CHAR *dst, const CHAR *src, size_t n) { - size_t nc = strnlen (src, n); + size_t nc = STRNLEN (src, n); size_t i; for (i = 0; i < nc; ++i) @@ -55,12 +88,12 @@ stupid_strncpy (char *dst, const char *src, size_t n) dst[i] = '\0'; return dst; } -#endif +#endif /* !STRNCPY_RESULT */ -typedef char *(*proto_t) (char *, const char *, size_t); +typedef CHAR *(*proto_t) (CHAR *, const CHAR *, size_t); static void -do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n) +do_one_test (impl_t *impl, CHAR *dst, const CHAR *src, size_t len, size_t n) { size_t i, iters = INNER_LOOP_ITERS; timing_t start, stop, cur; @@ -73,7 +106,7 @@ do_one_test (impl_t *impl, char *dst, const char *src, size_t len, size_t n) return; } - if (memcmp (dst, src, len > n ? n : len) != 0) + if (memcmp (dst, src, (len > n ? n : len) * sizeof (CHAR)) != 0) { error (0, 0, "Wrong result in function %s", impl->name); ret = 1; @@ -109,23 +142,26 @@ static void do_test (size_t align1, size_t align2, size_t len, size_t n, int max_char) { size_t i; - char *s1, *s2; + CHAR *s1, *s2; +/* For wcsncpy: align1 and align2 here mean alignment not in bytes, + but in wchar_ts, in bytes it will equal to align * (sizeof (wchar_t)). */ align1 &= 7; - if (align1 + len >= page_size) + if ((align1 + len) * sizeof (CHAR) >= page_size) return; align2 &= 7; - if (align2 + len >= page_size) + if ((align2 + len) * sizeof (CHAR) >= page_size) return; - s1 = (char *) (buf1 + align1); - s2 = (char *) (buf2 + align2); + s1 = (CHAR *) (buf1) + align1; + s2 = (CHAR *) (buf2) + align2; for (i = 0; i < len; ++i) s1[i] = 32 + 23 * i % (max_char - 32); s1[len] = 0; - for (i = len + 1; i + align1 < page_size && i < len + 64; ++i) + for (i = len + 1; (i + align1) * sizeof (CHAR) < page_size && i < len + 64; + ++i) s1[i] = 32 + 32 * i % (max_char - 32); printf ("Length %4zd, n %4zd, alignment %2zd/%2zd:", len, n, align1, align2); @@ -150,22 +186,22 @@ test_main (void) for (i = 1; i < 8; ++i) { - do_test (i, i, 16, 16, 127); - do_test (i, i, 16, 16, 255); - do_test (i, 2 * i, 16, 16, 127); - do_test (2 * i, i, 16, 16, 255); - do_test (8 - i, 2 * i, 1 << i, 2 << i, 127); - do_test (2 * i, 8 - i, 2 << i, 1 << i, 127); - do_test (8 - i, 2 * i, 1 << i, 2 << i, 255); - do_test (2 * i, 8 - i, 2 << i, 1 << i, 255); + do_test (i, i, 16, 16, SMALL_CHAR); + do_test (i, i, 16, 16, BIG_CHAR); + do_test (i, 2 * i, 16, 16, SMALL_CHAR); + do_test (2 * i, i, 16, 16, BIG_CHAR); + do_test (8 - i, 2 * i, 1 << i, 2 << i, SMALL_CHAR); + do_test (2 * i, 8 - i, 2 << i, 1 << i, SMALL_CHAR); + do_test (8 - i, 2 * i, 1 << i, 2 << i, BIG_CHAR); + do_test (2 * i, 8 - i, 2 << i, 1 << i, BIG_CHAR); } for (i = 1; i < 8; ++i) { - do_test (0, 0, 4 << i, 8 << i, 127); - do_test (0, 0, 16 << i, 8 << i, 127); - do_test (8 - i, 2 * i, 4 << i, 8 << i, 127); - do_test (8 - i, 2 * i, 16 << i, 8 << i, 127); + do_test (0, 0, 4 << i, 8 << i, SMALL_CHAR); + do_test (0, 0, 16 << i, 8 << i, SMALL_CHAR); + do_test (8 - i, 2 * i, 4 << i, 8 << i, SMALL_CHAR); + do_test (8 - i, 2 * i, 16 << i, 8 << i, SMALL_CHAR); } return ret; |