Add absorb for putting (part of) the contents of one tensor in another
#720
| Job | Run time |
|---|---|
| 8m 5s | |
| 8m 1s | |
| 8m 9s | |
| 8m 7s | |
| 8m 9s | |
| 8m 3s | |
| 1s | |
| 48m 35s |