Godot 4 performance

Start with the general loop in game-performance (budget, baseline, one change, measure again). This skill is the Godot part.

Measure

In the editor: run the game, open the Debugger panel.

• Profiler: script time per function. Start it, play the slow part, stop it, sort by self time.
• Visual Profiler: CPU and GPU time per rendering step (only on Forward+ and Mobile; the Compatibility renderer doesn't time the GPU).
• Monitors: FPS, process and physics time, draw calls, objects, nodes and orphan nodes.

In an exported build, which is what players run, read the same monitors yourself: