From afe23eb0f1942cb033ffdf3a338f669be4683f6c Mon Sep 17 00:00:00 2001 From: Anton Youdkevitch Date: Fri, 28 Jun 2019 13:38:07 +0100 Subject: 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 * 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. --- benchtests/bench-rawmemchr.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'benchtests/bench-rawmemchr.c') diff --git a/benchtests/bench-rawmemchr.c b/benchtests/bench-rawmemchr.c index 44f3114..5cdfdf7 100644 --- a/benchtests/bench-rawmemchr.c +++ b/benchtests/bench-rawmemchr.c @@ -39,7 +39,7 @@ IMPL (generic_rawmemchr, 0) static void do_one_test (impl_t *impl, const char *s, int c, char *exp_res) { - size_t i, iters = INNER_LOOP_ITERS; + size_t i, iters = INNER_LOOP_ITERS_LARGE; timing_t start, stop, cur; char *res = CALL (impl, s, c); if (res != exp_res) -- cgit v1.1