[Webkit-unassigned] [Bug 167797] Line-heavy SVG example spends a lot of time in SVGPointListValues::valueAsString()

bugzilla-daemon at webkit.org bugzilla-daemon at webkit.org
Thu Dec 7 08:30:02 PST 2017


https://bugs.webkit.org/show_bug.cgi?id=167797

Simon Fraser (smfr) <simon.fraser at apple.com> changed:

           What    |Removed                     |Added
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                 CC|                            |krit at webkit.org,
                   |                            |webkit-bug-importer at group.a
                   |                            |pple.com

--- Comment #2 from Simon Fraser (smfr) <simon.fraser at apple.com> ---
That happens via this line in SVGAnimatedProperty::commitChange():

    // Needed to synchronize with CSSOM for presentation attributes with SVG DOM.
    m_contextElement->synchronizeAnimatedSVGAttribute(m_attributeName);

which was added in r171341. This patch has some explanation:
https://bug-135046-attachments.webkit.org/attachment.cgi?id=235119

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