gtk3 slowness

				8400GS	GeForce	Delta
					210
GtkComboBox			0.60	1.49	-0.89
GtkComboBoxEntry		0.35	1.13	-0.78
GtkSpinButton			0.08	0.12	-0.04
GtkTextView – Add text	0.30	0.65	-0.35
GtkDrawingArea – Lines	0.25	0.33	-0.08

GtkDrawingArea – Circles	0.95	0.31	 0.64
GtkTextView – Scroll		0.08	0.05	 0.03