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| author | Anton Youdkevitch <anton.youdkevitch@bell-sw.com> | 2019-06-28 13:38:07 +0100 |
|---|---|---|
| committer | Wilco Dijkstra <wdijkstr@arm.com> | 2019-06-28 13:38:07 +0100 |
| commit | afe23eb0f1942cb033ffdf3a338f669be4683f6c (patch) | |
| tree | 699e78ba98d220bd6606cbf75436d67f5bc89bc8 /benchtests/bench-string.h | |
| parent | 507f55c05f30c9eb80faf2546ec635c338c039eb (diff) | |
| download | glibc-afe23eb0f1942cb033ffdf3a338f669be4683f6c.tar.gz | |
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-string.h')
| -rw-r--r-- | benchtests/bench-string.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/benchtests/bench-string.h b/benchtests/bench-string.h index e7fb015bc6..7d357914fd 100644 --- a/benchtests/bench-string.h +++ b/benchtests/bench-string.h @@ -125,6 +125,7 @@ extern impl_t __start_impls[], __stop_impls[]; # define OPT_SEED 10002 # define INNER_LOOP_ITERS 8192 +# define INNER_LOOP_ITERS_LARGE 131072 # define INNER_LOOP_ITERS_MEDIUM 1024 # define INNER_LOOP_ITERS_SMALL 32 |