GNU C Library master sources branch master updated. glibc-2.25-152-g8d2030d

[wilco at sourceware dot org]

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http://sourceware.org/git/gitweb.cgi?p=glibc.git;a=commitdiff;h=8d2030d659791184ecac8de9d6e1403b316a94c2

commit 8d2030d659791184ecac8de9d6e1403b316a94c2
Author: Wilco Dijkstra <wdijkstr@arm.com>
Date:   Thu Mar 23 19:00:02 2017 +0000

    Add a new randomized memcpy test for copies up to 256 bytes.  The distribution
    of the size and alignment is based on a trace of SPEC2006.  Instead of
    repeating the same copy over and over again like the existing tests, it times
    several thousand different copies to more accurately estimate the overhead of
    branch prediction.
    
    	* benchtests/Makefile (string-benchset): Add memcpy-random.
    	* benchtests/bench-memcpy-random.c: New file.

diff --git a/ChangeLog b/ChangeLog
index 86599d7..4ec8d83 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,8 @@
+2017-03-23  Wilco Dijkstra  <wdijkstr@arm.com>
+
+	* benchtests/Makefile (string-benchset): Add memcpy-random.
+	* benchtests/bench-memcpy-random.c: New file.
+
 2017-03-23  Tulio Magno Quites Machado Filho  <tuliom@linux.vnet.ibm.com>
 
 	* stdio-common/printf.h (register_printf_modifier): Change the
diff --git a/benchtests/Makefile b/benchtests/Makefile
index 81edf8a..a96e953 100644
--- a/benchtests/Makefile
+++ b/benchtests/Makefile
@@ -37,7 +37,7 @@ string-benchset := bcopy bzero memccpy memchr memcmp memcpy memmem memmove \
 		   strcat strchr strchrnul strcmp strcpy strcspn strlen \
 		   strncasecmp strncat strncmp strncpy strnlen strpbrk strrchr \
 		   strspn strstr strcpy_chk stpcpy_chk memrchr strsep strtok \
-		   strcoll memcpy-large memmove-large memset-large
+		   strcoll memcpy-large memcpy-random memmove-large memset-large
 
 # Build and run locale-dependent benchmarks only if we're building natively.
 ifeq (no,$(cross-compiling))

-----------------------------------------------------------------------

Summary of changes:
 ChangeLog           |    5 +++++
 benchtests/Makefile |    2 +-
 2 files changed, 6 insertions(+), 1 deletions(-)


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