Performance (I assume speed) for GUIs? When do you need that? Most people are fine with web apps and their internet latency speed. If you mean a scenario, wher

Performance (I assume speed) for GUIs? When do you need that? Most people are fine with web apps and their internet latency speed. If you mean a scenario, where you click a button and the app freezes for a few seconds then this is an architecture problem. Whateven happens should happen asynchronously to the GUI. This can be right and wrong in Python and in C.