Computation times

00:47.343 total execution time for 5 files from examples/gallery_examples/01-geometry:

Example	Time	Mem (MB)
Primitives (04-primitives.py)	00:19.207	0.0
Volumes (03-volumes.py)	00:16.398	0.0
Lines (01-lines.py)	00:06.474	0.0
Areas (02-areas.py)	00:04.242	0.0
Keypoints (00-keypoints.py)	00:01.022	0.0