Computation times

00:00.280 total execution time for 6 files from auto_examples:

Example	Time	Mem (MB)
Subgraph (plot_subgraph.py)	00:00.140	0.0
Knuth Miles (plot_miles.py)	00:00.069	0.0
Star (plot_star.py)	00:00.051	0.0
Attributes (plot_attributes.py)	00:00.013	0.0
Basic (plot_simple.py)	00:00.004	0.0
Subgraph with Boundaries (plot_subgraph_boundaries.py)	00:00.003	0.0