String dtype: implement sum reduction #19888
| Job | Run time |
|---|---|
| 19m 3s | |
| 16m 50s | |
| 25m 10s | |
| 22m 44s | |
| 24m 13s | |
| 11m 32s | |
| 20m 40s | |
| 23m 5s | |
| 30m 20s | |
| 24m 33s | |
| 38m 58s | |
| 17m 38s | |
| 17m 26s | |
| 18m 31s | |
| 34m 20s | |
| 45m 52s | |
| 33m 44s | |
| 43m 8s | |
| 24m 28s | |
| 39m 42s | |
| 40m 28s | |
| 24m 22s | |
| 24m 48s | |
| 6m 22s | |
| 16m 22s | |
| 20m 1s | |
| 45m 51s | |
| 51m 14s | |
| 1m 14s | |
| 12h 42m 39s |