Computation times

00:02.835 total execution time for 4 files from auto_examples/fitting:

Example	Time	Mem (MB)
Fit complex data with transform (fit_complex_with_transform.py)	00:01.182	0.0
Fitting Data (Nonlinear + Symbolic) (fit_fake_data.py)	00:00.791	0.0
Fit complex data (fit_complex.py)	00:00.454	0.0
Fit Using Bounds (fit_with_bounds.py)	00:00.408	0.0