This is a live mirror of the Perl 5 development currently hosted at https://github.com/perl/perl5
perldelta for performance enhancements
authorKarl Williamson <khw@cpan.org>
Tue, 20 Feb 2018 05:12:49 +0000 (22:12 -0700)
committerKarl Williamson <khw@cpan.org>
Tue, 20 Feb 2018 05:16:44 +0000 (22:16 -0700)
pod/perldelta.pod

index d1aa6bd..e7260c7 100644 (file)
@@ -143,7 +143,15 @@ There may well be none in a stable release.
 
 =item *
 
-XXX
+Various optimizations have been applied to matching regular expression
+patterns, so under the right circumstances, significant performance
+gains may be noticed.  But in an application with many varied patterns,
+little overall improvement likely will be seen.
+
+=item *
+
+Other optimizations have been applied to UTF-8 handling, but these are
+not typically a major factor in most applications.
 
 =back