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* [glibc] Benchtests: Remove memchr_strnlen
@ 2023-03-08 18:46 Wilco Dijkstra
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From: Wilco Dijkstra @ 2023-03-08 18:46 UTC (permalink / raw)
To: glibc-cvs
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=b0e02d5b6d65cdfc972494484ef9a67b8e55e8f0
commit b0e02d5b6d65cdfc972494484ef9a67b8e55e8f0
Author: Wilco Dijkstra <wilco.dijkstra@arm.com>
Date: Fri Mar 3 12:57:49 2023 +0000
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>
Diff:
---
benchtests/bench-strlen.c | 2 +-
benchtests/bench-strnlen.c | 11 +----------
2 files changed, 2 insertions(+), 11 deletions(-)
diff --git a/benchtests/bench-strlen.c b/benchtests/bench-strlen.c
index cae88dd6ec..9b91f8a10e 100644
--- a/benchtests/bench-strlen.c
+++ b/benchtests/bench-strlen.c
@@ -48,7 +48,7 @@ IMPL (STRLEN, 1)
static void
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;
if (len != exp_len)
diff --git a/benchtests/bench-strnlen.c b/benchtests/bench-strnlen.c
index c997d7da4c..a1840afa85 100644
--- a/benchtests/bench-strnlen.c
+++ b/benchtests/bench-strnlen.c
@@ -22,7 +22,6 @@
#else
# define TEST_NAME "wcsnlen"
# define generic_strnlen generic_wcsnlen
-# define memchr_strnlen wcschr_wcsnlen
#endif /* WIDE */
#include "bench-string.h"
#include "json-lib.h"
@@ -38,22 +37,14 @@
typedef size_t (*proto_t) (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 (memchr_strnlen, 0)
IMPL (generic_strnlen, 0)
static void
do_one_test (json_ctx_t *json_ctx, 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_LARGE;
+ size_t len = CALL (impl, s, maxlen), i, iters = INNER_LOOP_ITERS;
timing_t start, stop, cur;
if (len != exp_len)
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2023-03-08 18:46 [glibc] Benchtests: Remove memchr_strnlen Wilco Dijkstra
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