Add batched calculation option to energy_score_empirical in order to reduce memory consumption
#1346
| Job | Run time |
|---|---|
| 27s | |
| 3m 15s | |
| 2m 36s | |
| 46m 14s | |
| 1h 19m 2s | |
| 36m 55s | |
| 9m 38s | |
| 26m 7s | |
| 10s | |
| 3h 24m 24s |