Bug 155443

Summary: Regression(r197981): Huge regression on Mac PLT
Product: WebKit Reporter: Chris Dumez <cdumez>
Component: Layout and RenderingAssignee: Chris Dumez <cdumez>
Status: RESOLVED FIXED    
Severity: Normal CC: barraclough, jonlee, simon.fraser, webkit-bug-importer, zalan
Priority: P2 Keywords: InRadar
Version: WebKit Nightly Build   
Hardware: Unspecified   
OS: Unspecified   
Bug Depends on:    
Bug Blocks: 23364    
Attachments:
Description Flags
Patch none

Chris Dumez
Reported 2016-03-14 10:35:24 PDT
We have experience a huge regression on Mac PLT after <http://trac.webkit.org/changeset/197981>: (rdar://problem/25113391). So disable the feature until the performance issue is resolved.
Attachments
Patch (1.55 KB, patch)
2016-03-14 10:37 PDT, Chris Dumez 		no flags
DetailsFormatted DiffDiff
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Chris Dumez
Comment 1 2016-03-14 10:35:36 PDT
rdar://problem/25113391
Chris Dumez
Comment 2 2016-03-14 10:37:20 PDT
Created attachment 273987 [details] Patch
Chris Dumez
Comment 3 2016-03-14 12:01:13 PDT
Comment on attachment 273987 [details] Patch Clearing flags on attachment: 273987 Committed r198145: <http://trac.webkit.org/changeset/198145>
Chris Dumez
Comment 4 2016-03-14 12:01:19 PDT
All reviewed patches have been landed. Closing bug.
Chris Dumez
Comment 5 2016-03-14 20:38:50 PDT
The bots did not recover after this change.
Chris Dumez
Comment 6 2016-03-14 20:51:27 PDT
Reverted r198145 for reason: This attempt to disable the feature did not fix the PLT regression Committed r198188: <http://trac.webkit.org/changeset/198188>
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