Create the subsec_millis and subsec_micros methods for Duration #2759
| Job | Run time |
|---|---|
| 19s | |
| 42s | |
| 1m 13s | |
| 15s | |
| 2m 38s | |
| 13s | |
| 5m 54s | |
| 10s | |
| 14m 29s | |
| 11s | |
| 1m 32s | |
| 10m 37s | |
| 1m 7s | |
| 1m 19s | |
| 2m 0s | |
| 1m 37s | |
| 31s | |
| 1m 22s | |
| 1m 30s | |
| 1m 23s | |
| 1m 22s | |
| 1m 48s | |
| 1m 11s | |
| 47s | |
| 50s | |
| 1m 21s | |
| 2m 6s | |
| 1m 21s | |
| 2m 51s | |
| 1h 2m 39s |