reduce the lock contention in task spawn. #8666
| Job | Run time |
|---|---|
| 1m 15s | |
| 8s | |
| 31s | |
| 21s | |
| 39s | |
| 4s | |
| 3m 39s | |
| 12m 38s | |
| 1m 11s | |
| 1m 52s | |
| 9m 41s | |
| 5m 23s | |
| 3m 55s | |
| 3m 15s | |
| 14m 28s | |
| 8m 55s | |
| 9m 4s | |
| 13m 50s | |
| 57s | |
| 9m 40s | |
| 7m 55s | |
| 8m 16s | |
| 7m 0s | |
| 49s | |
| 5m 22s | |
| 6m 18s | |
| 37s | |
| 14m 44s | |
| 21m 34s | |
| 45s | |
| 11m 50s | |
| 2m 10s | |
| 14m 16s | |
| 12m 5s | |
| 23m 24s | |
| 2m 42s | |
| 12m 58s | |
| 1m 9s | |
| 5m 23s | |
| 2m 51s | |
| 29s | |
| 30s | |
| 3m 38s | |
| 1m 22s | |
| 3m 22s | |
| 1m 14s | |
| 5m 28s | |
| 3m 20s | |
| 1m 38s | |
| 2m 36s | |
| 3m 14s | |
| 2m 2s | |
| 38s | |
| 4s | |
| 4h 53m 9s |