RESOLVED FIXED 62327
Add faster lookup cache for multi character identifiers 
https://bugs.webkit.org/show_bug.cgi?id=62327
Summary Add faster lookup cache for multi character identifiers
Oliver Hunt
Reported 2011-06-08 14:17:56 PDT
Add faster lookup cache for multi character identifiers
Attachments
Patch (3.64 KB, patch)
2011-06-08 14:22 PDT, Oliver Hunt 		ggaren: review+
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Oliver Hunt
Comment 1 2011-06-08 14:22:38 PDT
Created attachment 96481 [details] Patch
Oliver Hunt
Comment 2 2011-06-08 14:23:25 PDT
This is a 1.7% parsing improvement by my measurements.
Geoffrey Garen
Comment 3 2011-06-08 14:31:30 PDT
Comment on attachment 96481 [details] Patch View in context: https://bugs.webkit.org/attachment.cgi?id=96481&action=review r=me > Source/JavaScriptCore/parser/ParserArena.h:82 > + if (ident && ident->length() == (int)length && (!memcmp(characters, ident->characters(), length * sizeof(UChar)))) static_cast<int>, please.
Geoffrey Garen
Comment 4 2011-06-08 14:35:22 PDT
Just realized that Identifier::equal might be a better choice than memcmp.
Oliver Hunt
Comment 5 2011-06-08 14:57:34 PDT
Committed r88394: <http://trac.webkit.org/changeset/88394>
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