Computation times

11:16.185 total execution time for 6 files from examplespreprocessor:

Example	Time	Mem (MB)
Create a full-heart model (preprocess-fullheart.py)	07:36.912	0.0
Generate atrial fibers (compute-atrial-fibers_pr.py)	02:01.480	0.0
Full-heart conduction system example (user_conduction_system_pr.py)	00:48.835	0.0
Download a PyAnsys Heart-compatible case from Zenodo (download-case_pr.py)	00:28.220	0.0
Define a space-varying cell model (define_space_varying_cellmodel.py)	00:13.225	0.0
Define materials (demo-material_pr.py)	00:07.514	0.0