Computation times

00:00.385 total execution time for 5 files from auto_examples:

Example	Time	Mem (MB)
Star (plot_star.py)	00:00.116	0.0
Knuth Miles (plot_miles.py)	00:00.114	0.0
Attributes (plot_attributes.py)	00:00.062	0.0
Basic (plot_simple.py)	00:00.056	0.0
Subgraph (plot_subgraph.py)	00:00.037	0.0