Fix stride indexing bugs in reorg and reorg_gradient functions (CPU & CUDA)
#1260
| Job | Run time |
|---|---|
| 25m 54s | |
| 26m 18s | |
| 1m 16s | |
| 27m 41s | |
| 14m 51s | |
| 25m 58s | |
| 25m 22s | |
| 2h 27m 20s |