[pcre-dev] [Bug 1419] PCRE slower at matching UTF8 character…

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Szerző: Ben Maurer
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Címzett: pcre-dev
Tárgy: [pcre-dev] [Bug 1419] PCRE slower at matching UTF8 character classes.
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http://bugs.exim.org/show_bug.cgi?id=1419




--- Comment #7 from Ben Maurer <ben.maurer@???> 2013-12-15 08:41:19 ---
Thanks for the tips! I noticed that UTF8 validation was slow (I'm guessing that
accounts for the difference between the UTF8 and non-utf8 checks on [b-z]. Have
you guys considered using SSE 4.2 to optimize this? Especially if you assume
most input will be ASCII (often the case), that could be a big speedup.


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