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Comment by throwawee | Hacker News Reader

I love Godot for games but it's clearly not designed for utilities. The editor constantly uses a percentage of my CPU doing absolutely nothing. I don't think Godot executables can stop redrawing the window, only lower the FPS. I don't want my applications to be like that.

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You can enable low-processor mode to reduce CPU & GPU usage. See related FAQ https://docs.godotengine.org/en/stable/about/faq.html#is-it-...

This is with low processor mode enabled. Hell, it's still true when I multiply Low Processor Mode Sleep by 100. This is a blank default project that has a single empty node--and the window is minimized.

Yeah, even disabling a bunch of things and pausing the scene tree, Godot still uses 5% of my CPU (i3-6100T):

  func _ready() -> void:
    set_physics_process(false)
    PhysicsServer2D.set_active(false)
    PhysicsServer3D.set_active(false)
    Engine.max_fps = 1
    RenderingServer.render_loop_enabled = false
    get_tree().paused = true

I wonder what's using that CPU?

Some post on HN discovered that app rendering would be more efficient if we did that (somebody made that the research of their life). Unfortunately i can't find the link anymore

You don't need to keep redrawing the window. If the content isn't changing, Process will be called but you don't need to queue a redraw.

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