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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 /ChangeLog
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 'ChangeLog')
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diff --git a/ChangeLog b/ChangeLog
index 65129ff43a..718829d172 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,16 @@
+2019-06-28  Anton Youdkevitch  <anton.youdkevitch@bell-sw.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.
+
 2019-06-28  Florian Weimer  <fweimer@redhat.com>
 
 	* sysdeps/unix/sysv/linux/tst-getdents64.c (large_buffer_checks):