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LibWeb: Stop putting the FormattingState nodes in a slow hash map
Instead, put them in a Vector<OwnPtr<NodeState>>. Each layout node has a unique index into the vector. It's a simple serial ID assigned during layout tree construction. Every new layout restarts the sequence at 0 for the next ICB. This is a huge layout speed improvement on all content.
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6 changed files with 45 additions and 45 deletions
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@ -61,6 +61,9 @@ public:
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virtual ~Document() override;
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size_t next_layout_node_serial_id(Badge<Layout::Node>) { return m_next_layout_node_serial_id++; }
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size_t layout_node_count() const { return m_next_layout_node_serial_id; }
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String cookie(Cookie::Source = Cookie::Source::NonHttp);
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void set_cookie(String const&, Cookie::Source = Cookie::Source::NonHttp);
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@ -391,6 +394,8 @@ private:
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unsigned m_referencing_node_count { 0 };
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size_t m_next_layout_node_serial_id { 0 };
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OwnPtr<CSS::StyleComputer> m_style_computer;
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RefPtr<CSS::StyleSheetList> m_style_sheets;
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RefPtr<Node> m_hovered_node;
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