Use shared memory in DivergenceF2C stencil operators
#1848
| Job | Run time |
|---|---|
| 18m 2s | |
| 18m 2s | |
| 18m 0s | |
| 18m 1s | |
| 3m 3s | |
| 3m 17s | |
| 17m 59s | |
| 18m 0s | |
| 6m 16s | |
| 7m 3s | |
| 17m 59s | |
| 18m 0s | |
| 3m 3s | |
| 3m 18s | |
| 7m 2s | |
| 7m 40s | |
| 3h 4m 45s |