[bench] detect number of CPU cores dynamically #16681
| Job | Run time |
|---|---|
| 4m 34s | |
| 4m 35s | |
| 31s | |
| 4m 34s | |
| 35s | |
| 4m 32s | |
| 38s | |
| 35s | |
| 33s | |
| 43s | |
| 43s | |
| 40s | |
| 42s | |
| 3m 8s | |
| 3m 31s | |
| 3m 38s | |
| 19s | |
| 1m 19s | |
| 4s | |
| 2m 18s | |
| 3m 22s | |
| 7s | |
| 1m 28s | |
| 3m 25s | |
| 5s | |
| 2m 55s | |
| 21s | |
| 7s | |
| 21s | |
| 3m 39s | |
| 6s | |
| 1m 27s | |
| 3m 27s | |
| 7s | |
| 2m 14s | |
| 3m 24s | |
| 7s | |
| 1m 22s | |
| 7s | |
| 1m 33s | |
| 37s | |
| 30s | |
| 20s | |
| 1h 9m 23s |