debug: only fills non-zeros in ∇²f of @operator
#180
| Job | Run time |
|---|---|
| 12m 54s | |
| 22m 18s | |
| 35m 12s |
∇²f of @operator
#180
| Job | Run time |
|---|---|
| 12m 54s | |
| 22m 18s | |
| 35m 12s |