40 lines
1.1 KiB
GDScript3
40 lines
1.1 KiB
GDScript3
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extends SceneTree
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# Not a test - a stopwatch. Splits the fixed cost every scene-based test pays
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# before it can assert anything, so tuning aims at the part that is actually
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# expensive.
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# godot --headless -s res://tests/_profile_startup.gd
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var scene: Node
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var t0: int = 0
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var frames: int = 0
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var frame_start: int = 0
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func _initialize() -> void:
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var boot: int = Time.get_ticks_msec()
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print("engine boot to _initialize: %d ms" % boot)
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t0 = Time.get_ticks_msec()
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var packed: PackedScene = load("res://Main.tscn")
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print("load(Main.tscn): %d ms" % (Time.get_ticks_msec() - t0))
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t0 = Time.get_ticks_msec()
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scene = packed.instantiate()
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print("instantiate(): %d ms" % (Time.get_ticks_msec() - t0))
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t0 = Time.get_ticks_msec()
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root.add_child(scene)
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print("add_child() (_ready): %d ms" % (Time.get_ticks_msec() - t0))
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frame_start = Time.get_ticks_msec()
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func _process(_delta: float) -> bool:
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frames += 1
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if frames < 60:
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return false
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var span: int = Time.get_ticks_msec() - frame_start
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print("60 frames: %d ms (%.1f fps)" % [span, 60000.0 / maxf(span, 1)])
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quit(0)
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return true
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