Add batched calculation option to energy_score_empirical in order to reduce memory consumption
#1345
| Job | Run time |
|---|---|
| 27s | |
| 3m 34s | |
| 3m 0s | |
| 1h 18m 4s | |
| 36m 25s | |
| 10m 18s | |
| 26m 25s | |
| 46m 37s | |
| 11s | |
| 3h 25m 1s |