cksum: Implement -z/--zero #18466
| Job | Run time |
|---|---|
| 22s | |
| 8m 3s | |
| 7m 16s | |
| 21s | |
| 58s | |
| 2m 54s | |
| 54s | |
| 2m 43s | |
| 1m 14s | |
| 3m 27s | |
| 1m 53s | |
| 6m 11s | |
| 10m 21s | |
| 2m 52s | |
| 2m 37s | |
| 2m 42s | |
| 2m 39s | |
| 3m 13s | |
| 7m 39s | |
| 4m 1s | |
| 3m 42s | |
| 3m 5s | |
| 3m 4s | |
| 44s | |
| 3m 41s | |
| 8m 55s | |
| 8m 56s | |
| 7m 55s | |
| 7m 44s | |
| 5m 36s | |
| 6m 4s | |
| 9m 28s | |
| 10m 26s | |
| 9m 5s | |
| 8m 12s | |
| 4m 40s | |
| 2h 53m 37s |