Computation times

00:39.444 total execution time for 5 files from examples/gallery_examples/01-geometry:

Example	Time	Mem (MB)
Primitives (04-primitives.py)	00:15.923	0.0
Volumes (03-volumes.py)	00:14.183	0.0
Lines (01-lines.py)	00:04.895	0.0
Areas (02-areas.py)	00:03.583	0.0
Keypoints (00-keypoints.py)	00:00.859	0.0