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Benchtests: Remove memchr_strnlen 

Remove memchr_strnlen since it is now the same as generic_strnlen.  Adjust
iteration count to reduce benchmark time.  Keep memchr_strlen since the
generic strlen does not use memchr.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>
This commit is contained in:
Wilco Dijkstra 2023-03-03 12:57:49 +00:00
parent dcfcb8e392
commit b0e02d5b6d
2 changed files with 2 additions and 11 deletions
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2
benchtests/bench-strlen.c
View File

@ -48,7 +48,7 @@ IMPL (STRLEN, 1)
static void static void
do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, size_t exp_len) do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, size_t exp_len)
{ {
size_t len = CALL (impl, s), i, iters = INNER_LOOP_ITERS_LARGE; size_t len = CALL (impl, s), i, iters = INNER_LOOP_ITERS8;
timing_t start, stop, cur; timing_t start, stop, cur;
if (len != exp_len) if (len != exp_len)

11
benchtests/bench-strnlen.c
View File

@ -22,7 +22,6 @@
#else #else
# define TEST_NAME "wcsnlen" # define TEST_NAME "wcsnlen"
# define generic_strnlen generic_wcsnlen # define generic_strnlen generic_wcsnlen
# define memchr_strnlen wcschr_wcsnlen
#endif /* WIDE */ #endif /* WIDE */
#include "bench-string.h" #include "bench-string.h"
#include "json-lib.h" #include "json-lib.h"
@ -38,22 +37,14 @@
typedef size_t (*proto_t) (const CHAR *, size_t); typedef size_t (*proto_t) (const CHAR *, size_t);
size_t generic_strnlen (const CHAR *, size_t); size_t generic_strnlen (const CHAR *, size_t);
size_t
memchr_strnlen (const CHAR *s, size_t maxlen)
{
const CHAR *s1 = MEMCHR (s, 0, maxlen);
return (s1 == NULL) ? maxlen : s1 - s;
}
IMPL (STRNLEN, 1) IMPL (STRNLEN, 1)
IMPL (memchr_strnlen, 0)
IMPL (generic_strnlen, 0) IMPL (generic_strnlen, 0)
static void static void
do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, size_t maxlen, do_one_test (json_ctx_t *json_ctx, impl_t *impl, const CHAR *s, size_t maxlen,
size_t exp_len) size_t exp_len)
{ {
size_t len = CALL (impl, s, maxlen), i, iters = INNER_LOOP_ITERS_LARGE; size_t len = CALL (impl, s, maxlen), i, iters = INNER_LOOP_ITERS;
timing_t start, stop, cur; timing_t start, stop, cur;
if (len != exp_len) if (len != exp_len)