Computation times

00:00.000 total execution time for 3 files from examples/composition:

Example	Time	Mem (MB)
sphx_glr_examples_composition_eval_csv.py (eval_csv.py)	00:00.000	0.0
sphx_glr_examples_composition_eval_json.py (eval_json.py)	00:00.000	0.0
Grammar Composition (main.py)	00:00.000	0.0