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authorAnton Youdkevitch <anton.youdkevitch@bell-sw.com>2019-06-28 13:38:07 +0100
committerWilco Dijkstra <wdijkstr@arm.com>2019-06-28 13:38:07 +0100
commitafe23eb0f1942cb033ffdf3a338f669be4683f6c (patch)
tree699e78ba98d220bd6606cbf75436d67f5bc89bc8 /benchtests/bench-strnlen.c
parent507f55c05f30c9eb80faf2546ec635c338c039eb (diff)
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Bump up the runtime for "short" benchmarks
Some benchmarks with a very short runtime show significantly
different results across runs on Aarch64 - up to tens of percents.
Increasing the runtime to 100ms+ makes the deviation under 5%.

Tested on Aarch64 and x86-64.

Reviewed-by: Carlos O'Donell <carlos@redhat.com>

	* benchtests/bench-memccpy.c: Replace INNER_LOOP_ITERS
	with INNER_LOOP_ITERS_LARGE.
	* benchtests/bench-memchr.c: Likewise.
	* benchtests/bench-rawmemchr.c: Likewise.
	* benchtests/bench-strcat.c: Likewise.
	* benchtests/bench-strchr.c: Likewise.
	* benchtests/bench-string.h: Likewise.
	* benchtests/bench-strlen.c: Likewise.
	* benchtests/bench-strncpy.c: Likewise.
	* benchtests/bench-strnlen.c: Likewise.
Diffstat (limited to 'benchtests/bench-strnlen.c')
-rw-r--r--benchtests/bench-strnlen.c2
1 files changed, 1 insertions, 1 deletions
diff --git a/benchtests/bench-strnlen.c b/benchtests/bench-strnlen.c
index e9e51b27fc..72ec303977 100644
--- a/benchtests/bench-strnlen.c
+++ b/benchtests/bench-strnlen.c
@@ -51,7 +51,7 @@ IMPL (generic_strnlen, 0)
 static void
 do_one_test (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;
+  size_t len = CALL (impl, s, maxlen), i, iters = INNER_LOOP_ITERS_LARGE;
   timing_t start, stop, cur;
 
   if (len != exp_len)