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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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@ -23,6 +23,8 @@ Node::Node(DOM::Document& document, DOM::Node* node)
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: m_document(document)
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, m_dom_node(node)
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{
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m_serial_id = m_document->next_layout_node_serial_id({});
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if (m_dom_node)
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m_dom_node->set_layout_node({}, this);
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}
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