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* [PATCH] Benchtests: Increase benchmark iterations
@ 2024-01-03 14:13 Wilco Dijkstra
  2024-01-03 18:39 ` Adhemerval Zanella Netto
  0 siblings, 1 reply; 2+ messages in thread
From: Wilco Dijkstra @ 2024-01-03 14:13 UTC (permalink / raw)
  To: 'GNU C Library'

Increase benchmark iterations for math and vector math functions to improve timing accuracy.
Vector math benchmarks now take 1-3 seconds on a modern CPU.

OK for commit?

---

diff --git a/benchtests/bench-libmvec-skeleton.c b/benchtests/bench-libmvec-skeleton.c
index 7fa96cabb7e7a302394b140ea095afa4afe5e6a5..e31458f02384a1ca61574681e8307a0d5023048a 100644
--- a/benchtests/bench-libmvec-skeleton.c
+++ b/benchtests/bench-libmvec-skeleton.c
@@ -29,7 +29,7 @@
 #include <bench-libmvec-arch.h>
 
 #include <bench-util.c>
-#define D_ITERS 10000
+#define D_ITERS 200000
 
 int
 main (int argc, char **argv)
diff --git a/benchtests/bench-skeleton.c b/benchtests/bench-skeleton.c
index fc9cf001fdc6ce4aae1a22c3ae21b2ae4424776b..824ea38b222a992de85e9a0acef2c73452c07ee7 100644
--- a/benchtests/bench-skeleton.c
+++ b/benchtests/bench-skeleton.c
@@ -48,7 +48,7 @@ main (int argc, char **argv)
 
   memset (&runtime, 0, sizeof (runtime));
 
-  unsigned long iters = 1000;
+  unsigned long iters = 2000;
 
 #ifdef BENCH_INIT
   BENCH_INIT ();


^ permalink raw reply	[flat|nested] 2+ messages in thread

* Re: [PATCH] Benchtests: Increase benchmark iterations
  2024-01-03 14:13 [PATCH] Benchtests: Increase benchmark iterations Wilco Dijkstra
@ 2024-01-03 18:39 ` Adhemerval Zanella Netto
  0 siblings, 0 replies; 2+ messages in thread
From: Adhemerval Zanella Netto @ 2024-01-03 18:39 UTC (permalink / raw)
  To: Wilco Dijkstra, 'GNU C Library'



On 03/01/24 11:13, Wilco Dijkstra wrote:
> Increase benchmark iterations for math and vector math functions to improve timing accuracy.
> Vector math benchmarks now take 1-3 seconds on a modern CPU.
> 
> OK for commit?
> 

LGTM, thanks.

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

> ---
> 
> diff --git a/benchtests/bench-libmvec-skeleton.c b/benchtests/bench-libmvec-skeleton.c
> index 7fa96cabb7e7a302394b140ea095afa4afe5e6a5..e31458f02384a1ca61574681e8307a0d5023048a 100644
> --- a/benchtests/bench-libmvec-skeleton.c
> +++ b/benchtests/bench-libmvec-skeleton.c
> @@ -29,7 +29,7 @@
>  #include <bench-libmvec-arch.h>
>  
>  #include <bench-util.c>
> -#define D_ITERS 10000
> +#define D_ITERS 200000
>  
>  int
>  main (int argc, char **argv)
> diff --git a/benchtests/bench-skeleton.c b/benchtests/bench-skeleton.c
> index fc9cf001fdc6ce4aae1a22c3ae21b2ae4424776b..824ea38b222a992de85e9a0acef2c73452c07ee7 100644
> --- a/benchtests/bench-skeleton.c
> +++ b/benchtests/bench-skeleton.c
> @@ -48,7 +48,7 @@ main (int argc, char **argv)
>  
>    memset (&runtime, 0, sizeof (runtime));
>  
> -  unsigned long iters = 1000;
> +  unsigned long iters = 2000;
>  
>  #ifdef BENCH_INIT
>    BENCH_INIT ();
> 

^ permalink raw reply	[flat|nested] 2+ messages in thread

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2024-01-03 14:13 [PATCH] Benchtests: Increase benchmark iterations Wilco Dijkstra
2024-01-03 18:39 ` Adhemerval Zanella Netto

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