Wren is a gorgeous accomplishment. The speed gains are thanks to careful design, such as emphasizing static definitions of classes, private functions, constant

Wren is a gorgeous accomplishment. The speed gains are thanks to careful design, such as emphasizing static definitions of classes, private functions, constant slots, and computed jumps. If anyone asks you "what does good code look like", Wren is a great example of thoughtful tradeoffs and excellent explanations.