Bug 61171

Summary: Apply the ParallelJobs support to FEConvolveMatrix
Product: WebKit Reporter: Andras Piroska <pandras>
Component: SVGAssignee: Nobody <webkit-unassigned>
Status: RESOLVED FIXED    
Severity: Enhancement CC: loki, ossy, zherczeg, zimmermann
Priority: P2    
Version: 528+ (Nightly build)   
Hardware: All   
OS: All   
Attachments:
Description Flags
Apply the ParallelJobs support to FEConvolveMatrix zimmermann: review+

Andras Piroska
Reported 2011-05-20 00:42:48 PDT
The FEConvolveMatrix filter of SVG can consume lots of resources if it is applied to a large area. The computation can be distributed to multiple cores if the architecture supports. The average performance progression is 20-30% on dual-core machines.
Attachments
Apply the ParallelJobs support to FEConvolveMatrix (8.71 KB, patch)
2011-05-20 01:05 PDT, Andras Piroska 		zimmermann: review+
DetailsFormatted DiffDiff
View All Add attachment proposed patch, testcase, etc.
Andras Piroska
Comment 1 2011-05-20 01:05:29 PDT
Created attachment 94185 [details] Apply the ParallelJobs support to FEConvolveMatrix
Nikolas Zimmermann
Comment 2 2011-05-20 01:27:11 PDT
Comment on attachment 94185 [details] Apply the ParallelJobs support to FEConvolveMatrix View in context: https://bugs.webkit.org/attachment.cgi?id=94185&action=review Looks great, r=me. > Source/WebCore/platform/graphics/filters/FEConvolveMatrix.cpp:258 > + for (int y = yEnd + 1; y>yStart; --y) { > for (int x = clipRight + 1; x > 0; --x) { Style: y > yStart, please.
Gabor Loki
Comment 3 2011-05-20 01:54:39 PDT
Landed in http://trac.webkit.org/changeset/86931
Note You need to log in before you can comment on or make changes to this bug.