diff mbox series

Benchtests: Remove simple_str(n)casecmp

Message ID PAWPR08MB8982FBBAA85A14DB1430779883B49@PAWPR08MB8982.eurprd08.prod.outlook.com
State New
Headers show
Series Benchtests: Remove simple_str(n)casecmp | expand

Commit Message

Wilco Dijkstra March 8, 2023, 11:04 a.m. UTC 
Remove the slow byte oriented loops. Adjust iteration count to reduce benchmark time.

---

Comments

Adhemerval Zanella Netto March 8, 2023, 3:23 p.m. UTC | #1 
On 08/03/23 08:04, Wilco Dijkstra via Libc-alpha wrote:
> 
> Remove the slow byte oriented loops. Adjust iteration count to reduce benchmark time.

LGTM, thanks.

Reviewed-by: Adhemerval Zanella  <adhemerval.zanella@linaro.org>


> 
> ---
> 
> diff --git a/benchtests/bench-strcasecmp.c b/benchtests/bench-strcasecmp.c
> index fcfffdea42d72364d915f65cad98eaf9e11b585e..abc6a216e37b49c352fb84f723f88986c5364fb9 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 5689a22901b918cf20bc58dc5175f552604bb878..051c17d9f78b62d22b4258e7ea04cc15759e2060 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);
> 
>
diff mbox series

Patch

diff --git a/benchtests/bench-strcasecmp.c b/benchtests/bench-strcasecmp.c
index fcfffdea42d72364d915f65cad98eaf9e11b585e..abc6a216e37b49c352fb84f723f88986c5364fb9 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 5689a22901b918cf20bc58dc5175f552604bb878..051c17d9f78b62d22b4258e7ea04cc15759e2060 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);