From d064591266634a8ff55b645181167b8626c793c9 Mon Sep 17 00:00:00 2001 From: Wilco Dijkstra Date: Fri, 28 Jun 2019 13:42:36 +0100 Subject: 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 * 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. --- benchtests/bench-string.h | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'benchtests/bench-string.h') 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; -- cgit 1.4.1