Unify chunks for concat, and check preconditions (#616)
#147
| Job | Run time |
|---|---|
| 2m 20s | |
| 54s | |
| 3m 14s |
concat, and check preconditions (#616)
#147
| Job | Run time |
|---|---|
| 2m 20s | |
| 54s | |
| 3m 14s |