Computation times

14:40.617 total execution time for 6 files from examplespreprocessor:

Example	Time	Mem (MB)
Create a full-heart model (preprocess-fullheart.py)	08:31.913	0.0
Generate atrial fibers (compute-atrial-fibers_pr.py)	04:38.935	0.0
Full-heart conduction system example (user_conduction_system_pr.py)	00:49.760	0.0
Download a PyAnsys Heart-compatible case from Zenodo (download-case_pr.py)	00:19.755	0.0
Define a space-varying cell model (define_space_varying_cellmodel.py)	00:12.938	0.0
Define materials (demo-material_pr.py)	00:07.317	0.0