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VSCode uses a JS piece tree, which allows it to be faster* at manipulating large files than Sublime’s native code implementation. https://code.visualstudio.com

by jakear 7y ago

VSCode uses a JS piece tree, which allows it to be faster* at manipulating large files than Sublime’s native code implementation. https://code.visualstudio.com/blogs/2018/03/23/text-buffer-reimplementation https://code.visualstudio.com/blogs/2018/03/23/text-buffer-r... *or at least competitive with. I’ve measured it to be faster but I’ve heard others have had different experiences

ben-schaaf 7y ago
From a quick read it's actually pretty close to exactly what Sublime Text does. Source: Worked on that code at sublime recently.