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* [glibc] Benchtests: Remove simple_str(n)casecmp
@ 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=9ab7c42387409d5cf8facd0a56cfd98ce55b8cc3
commit 9ab7c42387409d5cf8facd0a56cfd98ce55b8cc3
Author: Wilco Dijkstra <wilco.dijkstra@arm.com>
Date: Fri Mar 3 13:21:05 2023 +0000
Benchtests: Remove simple_str(n)casecmp
Remove the slow byte oriented loops. Adjust iteration count to reduce
benchmark time.
Reviewed-by: Adhemerval Zanella <adhemerval.zanella@linaro.org>
Diff:
---
benchtests/bench-strcasecmp.c | 16 +---------------
benchtests/bench-strncasecmp.c | 23 +----------------------
2 files changed, 2 insertions(+), 37 deletions(-)
diff --git a/benchtests/bench-strcasecmp.c b/benchtests/bench-strcasecmp.c
index fcfffdea42..abc6a216e3 100644
--- a/benchtests/bench-strcasecmp.c
+++ b/benchtests/bench-strcasecmp.c
@@ -23,28 +23,14 @@
#include "json-lib.h"
typedef int (*proto_t) (const char *, const char *);
-static int simple_strcasecmp (const char *, const char *);
-IMPL (simple_strcasecmp, 0)
IMPL (strcasecmp, 1)
-static int
-simple_strcasecmp (const char *s1, const char *s2)
-{
- int ret;
-
- while ((ret = ((unsigned char) tolower (*s1)
- - (unsigned char) tolower (*s2))) == 0
- && *s1++)
- ++s2;
- return ret;
-}
-
static void
do_one_test (json_ctx_t *json_ctx, impl_t *impl, const char *s1,
const char *s2, int exp_result)
{
- size_t i, iters = INNER_LOOP_ITERS;
+ size_t i, iters = INNER_LOOP_ITERS8;
timing_t start, stop, cur;
int result = CALL (impl, s1, s2);
if ((exp_result == 0 && result != 0)
diff --git a/benchtests/bench-strncasecmp.c b/benchtests/bench-strncasecmp.c
index 5689a22901..051c17d9f7 100644
--- a/benchtests/bench-strncasecmp.c
+++ b/benchtests/bench-strncasecmp.c
@@ -23,35 +23,14 @@
#include "json-lib.h"
typedef int (*proto_t) (const char *, const char *, size_t);
-static int simple_strncasecmp (const char *, const char *, size_t);
-IMPL (simple_strncasecmp, 0)
IMPL (strncasecmp, 1)
-static int
-simple_strncasecmp (const char *s1, const char *s2, size_t n)
-{
- int ret;
-
- if (n == 0)
- return 0;
-
- while ((ret = ((unsigned char) tolower (*s1)
- - (unsigned char) tolower (*s2))) == 0
- && *s1++)
- {
- if (--n == 0)
- return 0;
- ++s2;
- }
- return ret;
-}
-
static void
do_one_test (json_ctx_t *json_ctx, impl_t *impl, const char *s1,
const char *s2, size_t n, int exp_result)
{
- size_t i, iters = INNER_LOOP_ITERS;
+ size_t i, iters = INNER_LOOP_ITERS8;
timing_t start, stop, cur;
TIMING_NOW (start);
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2023-03-08 18:46 [glibc] Benchtests: Remove simple_str(n)casecmp Wilco Dijkstra
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