RESOLVED FIXED 154242
Optimize style invalidations for attribute selectors 
https://bugs.webkit.org/show_bug.cgi?id=154242
Summary Optimize style invalidations for attribute selectors
Antti Koivisto
Reported 2016-02-15 06:25:27 PST
Currently we invalidate the whole element subtree if there are any attribute selectors for the changed attribute. We should only invalidate what is really needed.
Attachments
patch (49.85 KB, patch)
2016-02-15 08:45 PST, Antti Koivisto 		no flags
DetailsFormatted DiffDiff
patch (51.47 KB, patch)
2016-02-15 09:25 PST, Antti Koivisto 		kling: review+
DetailsFormatted DiffDiff
for landing (52.21 KB, patch)
2016-02-15 12:47 PST, Antti Koivisto 		no flags
DetailsFormatted DiffDiff
for landing (52.10 KB, patch)
2016-02-15 12:57 PST, Antti Koivisto 		no flags
DetailsFormatted DiffDiff
Show Obsolete (3) View All Add attachment proposed patch, testcase, etc.
Antti Koivisto
Comment 1 2016-02-15 08:45:48 PST
Created attachment 271344 [details] patch
Radar WebKit Bug Importer
Comment 2 2016-02-15 08:46:01 PST
<rdar://problem/24655799>
Antti Koivisto
Comment 3 2016-02-15 09:25:35 PST
Created attachment 271345 [details] patch
Andreas Kling
Comment 4 2016-02-15 12:08:28 PST
Comment on attachment 271345 [details] patch View in context: https://bugs.webkit.org/attachment.cgi?id=271345&action=review r=me This is a really solid performance hack! > Source/WebCore/style/AttributeChangeInvalidation.h:47 > + using ClassChangeVector = Vector<AtomicStringImpl*, 4>; why
Antti Koivisto
Comment 5 2016-02-15 12:47:48 PST
Created attachment 271360 [details] for landing
Antti Koivisto
Comment 6 2016-02-15 12:57:08 PST
Created attachment 271361 [details] for landing
Antti Koivisto
Comment 7 2016-02-16 00:21:33 PST
https://trac.webkit.org/r196629
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