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frame stability.", "Flutter raster finish is not compositor acceptance, scanout, or physical display presentation.", "Synthetic CDP mutation and mouse-release starts exclude physical device and Wayland input delivery latency.", "Nine serialized exact commit frames measure discrete controlled variability, not animation cadence, dropped-vsync count, or burst throughput.", "Frame timing callbacks and bounded diagnostics add opt-in measurement overhead.", "The version-2 interaction workload makes memory results unlike the shorter version-1 workload.", "Mesa software rendering under one headless Wayland compositor is not a physical GPU/driver matrix." ] }