Summary: | Tune JSStringBuilder for 8 bit Strings | ||||||
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Product: | WebKit | Reporter: | Michael Saboff <msaboff> | ||||
Component: | JavaScriptCore | Assignee: | Michael Saboff <msaboff> | ||||
Status: | RESOLVED FIXED | ||||||
Severity: | Normal | ||||||
Priority: | P2 | ||||||
Version: | 528+ (Nightly build) | ||||||
Hardware: | All | ||||||
OS: | All | ||||||
Attachments: |
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Description
Michael Saboff
2011-11-17 17:56:20 PST
Retargeting this defect to one java script tune - JSStringBuilder which uses UString::characters() and a 16 bit buffer irrespective of the actual string size or data range. Created attachment 116243 [details]
Patch
Comment on attachment 116243 [details]
Patch
What is the performance effect, if any?
(In reply to comment #3) > (From update of attachment 116243 [details]) > What is the performance effect, if any? This patch is worth about .5% on SunSpider using jsc. Committed r101147: <http://trac.webkit.org/changeset/101147> |