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authorWilco Dijkstra <wdijkstr@arm.com>2019-06-28 13:42:36 +0100
committerWilco Dijkstra <wdijkstr@arm.com>2019-06-28 13:42:36 +0100
commitd064591266634a8ff55b645181167b8626c793c9 (patch)
tree8a4ed4f134ff22e278704b6722f726f7705cd2ad /benchtests/bench-string.h
parentafe23eb0f1942cb033ffdf3a338f669be4683f6c (diff)
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Further improve string bench timing
Further improve the timings of the string benchmarks.  Ensure most take
between 1 and 4 seconds to improve accuracy.  Overall time taken increases
by 35%.  Tested on AArch64.

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

	* benchtests/bench-math-inlines.c: Increase iterations.
	* benchtests/bench-memcmp.c: Likewise.
	* benchtests/bench-rawmemchr.c: Likewise.
	* benchtests/bench-strcmp.c: Likewise.
	* benchtests/bench-strcpy_chk.c: Likewise.
	* benchtests/bench-string.h (INNER_LOOP_ITERS8): Add define.
	(INNER_LOOP_ITERS_MEDIUM): Increase iterations.
	(INNER_LOOP_ITERS_SMALL): Likewise.
	* benchtests/bench-strncat.c: Increase iterations.
	* benchtests/bench-strncmp.c: Increase iterations.
	* benchtests/bench-strncpy.c: Reduce iterations for wide strings.
	* benchtests/bench-strrchr.c: Increase iterations.
	* benchtests/bench-strstr.c: Keep iterations unchanged.
	* benchtests/bench-strtod.c: Increase iterations.
Diffstat (limited to 'benchtests/bench-string.h')
-rw-r--r--benchtests/bench-string.h5
1 files changed, 3 insertions, 2 deletions
diff --git a/benchtests/bench-string.h b/benchtests/bench-string.h
index 7d357914fd..4831e21054 100644
--- a/benchtests/bench-string.h
+++ b/benchtests/bench-string.h
@@ -125,9 +125,10 @@ extern impl_t __start_impls[], __stop_impls[];
 # define OPT_SEED 10002
 
 # define INNER_LOOP_ITERS 8192
+# define INNER_LOOP_ITERS8 32768
 # define INNER_LOOP_ITERS_LARGE 131072
-# define INNER_LOOP_ITERS_MEDIUM 1024
-# define INNER_LOOP_ITERS_SMALL 32
+# define INNER_LOOP_ITERS_MEDIUM 2048
+# define INNER_LOOP_ITERS_SMALL 256
 
 int ret, do_srandom;
 unsigned int seed;