Bug 130380

Summary: V8 regexp spends most time in operationGetById
Product: WebKit Reporter: Michael Saboff <msaboff>
Component: JavaScriptCoreAssignee: Michael Saboff <msaboff>
Status: RESOLVED FIXED    
Severity: Normal    
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
Patch fpizlo: review+

Michael Saboff
Reported 2014-03-17 18:31:21 PDT
Profiling shows that operationGetById is the hottest function when running V8 regexp
Attachments
Patch (7.61 KB, patch)
2014-03-17 19:04 PDT, Michael Saboff 		fpizlo: review+
DetailsFormatted DiffDiff
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Michael Saboff
Comment 1 2014-03-17 19:04:26 PDT
Created attachment 226999 [details] Patch When V8 regexp is run from the command line, this patch nets a 2% performance improvement. Using the JS performance test script, this patch didn't noticeably improve performance. This is likely due to longer running code being optimized by the DFG.
Michael Saboff
Comment 2 2014-03-17 20:46:50 PDT
Committed r165797: <http://trac.webkit.org/changeset/165797>
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