RESOLVED DUPLICATE of bug 224169 224168
Wasted vector capacity in filters 
https://bugs.webkit.org/show_bug.cgi?id=224168
Summary Wasted vector capacity in filters
Simon Fraser (smfr)
Reported 2021-04-03 18:11:55 PDT
Facebook.com wastes a bunch of vector capacity in FE* filter classes: Wasted capacity: 64560 bytes (used 4304 of 68864 bytes, utilization: 6.25%) - 538 allocations 2 0x2a18dadfa WebCore::FilterEffect::FilterEffect(WebCore::Filter&, WebCore::FilterEffect::Type) 3 0x2a18cb517 WebCore::FEColorMatrix::create(WebCore::Filter&, WebCore::ColorMatrixType, WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&) 4 0x2a19a7a99 WebCore::CSSFilter::build(WebCore::RenderElement&, WebCore::FilterOperations const&, WebCore::FilterConsumer) 5 0x2a1ab1a67 WebCore::RenderLayerFilters::buildFilter(WebCore::RenderElement&, float, WebCore::RenderingMode) 6 0x2a1aaee89 WebCore::RenderLayer::styleChanged(WebCore::StyleDifference, WebCore::RenderStyle const*) 7 0x2a1a8f84f WebCore::RenderLayerModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 8 0x2a1a1d985 WebCore::RenderBox::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 9 0x2a19f23c0 WebCore::RenderBlock::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 10 0x2a1a0d909 WebCore::RenderBlockFlow::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 11 0x2a1c072e6 WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&) 12 0x2a1c05e4d WebCore::RenderTreeUpdater::updateElementRenderer(WebCore::Element&, WebCore::Style::ElementUpdates const&) 13 0x2a1c054a0 WebCore::RenderTreeUpdater::updateRenderTree(WebCore::ContainerNode&) 14 0x2a1c04efb WebCore::RenderTreeUpdater::commit(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 15 0x2a10af489 WebCore::Document::updateRenderTree(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 16 0x2a10af86a WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType) 17 0x2a10afdb8 WebCore::Document::updateStyleIfNeeded() 18 0x2a10ac6e2 WebCore::Document::updateLayout() 19 0x2a10ad8ae WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks) 20 0x2a13314b2 WebCore::HTMLPlugInElement::renderWidgetLoadingPlugin() const 21 0x2a13313cf WebCore::HTMLPlugInElement::pluginWidget(WebCore::HTMLPlugInElement::PluginLoadingPolicy) const 22 0x2a0e1f89b WebCore::pluginScriptObject(JSC::JSGlobalObject*, WebCore::JSHTMLElement*) 23 0x2a0e1fae1 WebCore::pluginElementCustomGetOwnPropertySlot(WebCore::JSHTMLElement*, JSC::JSGlobalObject*, JSC::PropertyName, JSC::PropertySlot&) Wasted capacity: 48960 bytes (used 3264 of 52224 bytes, utilization: 6.25%) - 408 allocations 2 0x2a18dadfa WebCore::FilterEffect::FilterEffect(WebCore::Filter&, WebCore::FilterEffect::Type) 3 0x2a18cc9d2 WebCore::FEComponentTransfer::create(WebCore::Filter&, WebCore::ComponentTransferFunction const&, WebCore::ComponentTransferFunction const&, WebCore::ComponentTransferFunction const&, WebCore::ComponentTransferFunction const&) 4 0x2a19a7217 WebCore::CSSFilter::build(WebCore::RenderElement&, WebCore::FilterOperations const&, WebCore::FilterConsumer) 5 0x2a1ab1a67 WebCore::RenderLayerFilters::buildFilter(WebCore::RenderElement&, float, WebCore::RenderingMode) 6 0x2a1aaee89 WebCore::RenderLayer::styleChanged(WebCore::StyleDifference, WebCore::RenderStyle const*) 7 0x2a1a8f84f WebCore::RenderLayerModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 8 0x2a1a1d985 WebCore::RenderBox::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 9 0x2a19f23c0 WebCore::RenderBlock::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 10 0x2a1a0d909 WebCore::RenderBlockFlow::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 11 0x2a1c072e6 WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&) 12 0x2a1c05e4d WebCore::RenderTreeUpdater::updateElementRenderer(WebCore::Element&, WebCore::Style::ElementUpdates const&) 13 0x2a1c054a0 WebCore::RenderTreeUpdater::updateRenderTree(WebCore::ContainerNode&) 14 0x2a1c04efb WebCore::RenderTreeUpdater::commit(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 15 0x2a10af489 WebCore::Document::updateRenderTree(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 16 0x2a10af86a WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType) 17 0x2a10afdb8 WebCore::Document::updateStyleIfNeeded() 18 0x2a10ac6e2 WebCore::Document::updateLayout() 19 0x2a10ad8ae WebCore::Document::updateLayoutIgnorePendingStylesheets(WebCore::Document::RunPostLayoutTasks) 20 0x2a13314b2 WebCore::HTMLPlugInElement::renderWidgetLoadingPlugin() const 21 0x2a13313cf WebCore::HTMLPlugInElement::pluginWidget(WebCore::HTMLPlugInElement::PluginLoadingPolicy) const 22 0x2a0e1f89b WebCore::pluginScriptObject(JSC::JSGlobalObject*, WebCore::JSHTMLElement*) 23 0x2a0e1fae1 WebCore::pluginElementCustomGetOwnPropertySlot(WebCore::JSHTMLElement*, JSC::JSGlobalObject*, JSC::PropertyName, JSC::PropertySlot&) Wasted capacity: 27960 bytes (used 1864 of 29824 bytes, utilization: 6.25%) - 233 allocations 2 0x2a18dadfa WebCore::FilterEffect::FilterEffect(WebCore::Filter&, WebCore::FilterEffect::Type) 3 0x2a18cb517 WebCore::FEColorMatrix::create(WebCore::Filter&, WebCore::ColorMatrixType, WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&) 4 0x2a19a7a99 WebCore::CSSFilter::build(WebCore::RenderElement&, WebCore::FilterOperations const&, WebCore::FilterConsumer) 5 0x2a1ab1a67 WebCore::RenderLayerFilters::buildFilter(WebCore::RenderElement&, float, WebCore::RenderingMode) 6 0x2a1aaee89 WebCore::RenderLayer::styleChanged(WebCore::StyleDifference, WebCore::RenderStyle const*) 7 0x2a1a8f84f WebCore::RenderLayerModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 8 0x2a1a1d985 WebCore::RenderBox::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 9 0x2a19f23c0 WebCore::RenderBlock::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 10 0x2a1a0d909 WebCore::RenderBlockFlow::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 11 0x2a1c072e6 WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&) 12 0x2a1c05e4d WebCore::RenderTreeUpdater::updateElementRenderer(WebCore::Element&, WebCore::Style::ElementUpdates const&) 13 0x2a1c054a0 WebCore::RenderTreeUpdater::updateRenderTree(WebCore::ContainerNode&) 14 0x2a1c04efb WebCore::RenderTreeUpdater::commit(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 15 0x2a10af489 WebCore::Document::updateRenderTree(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 16 0x2a10af86a WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType) 17 0x2a10afdb8 WebCore::Document::updateStyleIfNeeded() Wasted capacity: 24832 bytes (used 12260 of 37092 bytes, utilization: 33.05%) - 538 allocations 2 0x2a09aaf63 WTF::VectorBuffer<float, 0ul, WTF::FastMalloc>::VectorBuffer(unsigned long, unsigned long) 3 0x2a09aafbb WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc>::Vector(WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&) 4 0x2a18cb537 WebCore::FEColorMatrix::create(WebCore::Filter&, WebCore::ColorMatrixType, WTF::Vector<float, 0ul, WTF::CrashOnOverflow, 16ul, WTF::FastMalloc> const&) 5 0x2a19a7a99 WebCore::CSSFilter::build(WebCore::RenderElement&, WebCore::FilterOperations const&, WebCore::FilterConsumer) 6 0x2a1ab1a67 WebCore::RenderLayerFilters::buildFilter(WebCore::RenderElement&, float, WebCore::RenderingMode) 7 0x2a1aaee89 WebCore::RenderLayer::styleChanged(WebCore::StyleDifference, WebCore::RenderStyle const*) 8 0x2a1a8f84f WebCore::RenderLayerModelObject::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 9 0x2a1a1d985 WebCore::RenderBox::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 10 0x2a19f23c0 WebCore::RenderBlock::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 11 0x2a1a0d909 WebCore::RenderBlockFlow::styleDidChange(WebCore::StyleDifference, WebCore::RenderStyle const*) 12 0x2a1c072e6 WebCore::RenderTreeUpdater::createRenderer(WebCore::Element&, WebCore::RenderStyle&&) 13 0x2a1c05e4d WebCore::RenderTreeUpdater::updateElementRenderer(WebCore::Element&, WebCore::Style::ElementUpdates const&) 14 0x2a1c054a0 WebCore::RenderTreeUpdater::updateRenderTree(WebCore::ContainerNode&) 15 0x2a1c04efb WebCore::RenderTreeUpdater::commit(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 16 0x2a10af489 WebCore::Document::updateRenderTree(std::__1::unique_ptr<WebCore::Style::Update const, std::__1::default_delete<WebCore::Style::Update const> >) 17 0x2a10af86a WebCore::Document::resolveStyle(WebCore::Document::ResolveStyleType) 18 0x2a10afdb8 WebCore::Document::updateStyleIfNeeded() 19 0x2a10ac6e2 WebCore::Document::updateLayout()
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Simon Fraser (smfr)
Comment 1 2021-04-03 20:58:02 PDT
*** This bug has been marked as a duplicate of bug 224169 ***
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