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| author | Karl Williamson <public@khwilliamson.com> | 2012-08-26 11:30:57 -0600 |
|---|---|---|
| committer | Karl Williamson <public@khwilliamson.com> | 2012-08-26 12:28:26 -0600 |
| commit | a3d517785b3dcac4f3f7aa5c85386a1a8074f46d (patch) | |
| tree | 211ece64d56c933bb689db2f47cf905d933b251f | |
| parent | aff163d96ea1505927d05ead3078b1d7bb3bfa93 (diff) | |
| download | perl-a3d517785b3dcac4f3f7aa5c85386a1a8074f46d.tar.gz | |
perldelta for Unicode property performance gains
| -rw-r--r-- | pod/perldelta.pod | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/pod/perldelta.pod b/pod/perldelta.pod index 1c8931cf60..232d68e45e 100644 --- a/pod/perldelta.pod +++ b/pod/perldelta.pod @@ -64,7 +64,10 @@ There may well be none in a stable release. =item * -XXX +Speed up in regular expression matching against Unicode properties. The +largest gain is for C<\X>, the Unicode "extended grapheme cluster". The +gain for it is about 35% - 40%. Bracketed character classes, e.g., +C<[0-9\x{100}]> containing code points above 255 are also now faster. =back |