[REF] optimize get_studies_by_mask
#1147
| Job | Run time |
|---|---|
| 6s | |
| 6s | |
| 6m 37s | |
| 41m 48s | |
| 55s | |
| 55s | |
| 40m 8s | |
| 40m 8s | |
| 30m 16s | |
| 30m 16s | |
| 47m 44s | |
| 47m 44s | |
| 6m 50s | |
| 6m 50s | |
| 37m 47s | |
| 37m 47s | |
| 20m 49s | |
| 20m 49s | |
| 38m 25s | |
| 39m 7s | |
| 43m 41s | |
| 43m 41s | |
| 45m 1s | |
| 45m 1s | |
| 22m 27s | |
| 22m 27s | |
| 22m 31s | |
| 22m 31s | |
| 21m 39s | |
| 21m 39s | |
| 23m 52s | |
| 23m 52s | |
| 0s | |
| 8s | |
| 14h 13m 37s |