improve dtmin and unstable detection #2589
| Job | Run time |
|---|---|
| 11m 28s | |
| 16m 22s | |
| 8m 19s | |
| 4m 43s | |
| 11m 52s | |
| 15m 42s | |
| 45m 15s | |
| 11m 16s | |
| 15m 34s | |
| 16m 3s | |
| 28m 29s | |
| 22m 23s | |
| 1h 10m 37s | |
| 14m 39s | |
| 52m 51s | |
| 7m 46s | |
| 14m 41s | |
| 1h 30m 33s | |
| 24m 56s | |
| 22m 10s | |
| 53m 3s | |
| 31m 33s | |
| 16m 22s | |
| 51m 37s | |
| 17m 26s | |
| 4m 47s | |
| 29m 52s | |
| 31m 31s | |
| 26m 30s | |
| 37m 18s | |
| 38m 44s | |
| 14h 4m 22s |