Fixed find_empty_masks for CMX
#4715
| Job | Run time |
|---|---|
| 1m 4s | |
| 1h 5m 18s | |
| 25s | |
| 1h 38m 12s | |
| 5m 23s | |
| 28m 53s | |
| 3h 19m 15s |
find_empty_masks for CMX
#4715
| Job | Run time |
|---|---|
| 1m 4s | |
| 1h 5m 18s | |
| 25s | |
| 1h 38m 12s | |
| 5m 23s | |
| 28m 53s | |
| 3h 19m 15s |