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. --- ChangeLog | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'ChangeLog') diff --git a/ChangeLog b/ChangeLog index 65129ff43a..718829d172 100644 --- a/ChangeLog +++ b/ChangeLog @@ -1,3 +1,16 @@ +2019-06-28 Anton Youdkevitch + + * 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. + 2019-06-28 Florian Weimer * sysdeps/unix/sysv/linux/tst-getdents64.c (large_buffer_checks): -- cgit v1.2.3