Our colleague Nikolas Zimmermann has a two-part series on our work bringing SVG onto the same rendering machinery as HTML/CSS in WebKit: the Layer-Based SVG Engine (LBSE). Part 1, on reducing layer overhead by creating RenderLayers only when needed: blogs.igalia.com/nzimmermann/...
blogs.igalia.comReducing layer overhead in LBSEConditional layer creation in the layer based SVG engine