repair for system in thread that can be deactivated
#95
| Job | Run time |
|---|---|
| 30m 22s | |
| 13m 57s | |
| 18m 34s | |
| 12m 36s | |
| 15m 34s | |
| 8m 56s | |
| 12m 7s | |
| 8m 29s | |
| 11m 28s | |
| 14m 25s | |
| 12m 44s | |
| 15m 11s | |
| 12m 39s | |
| 3h 7m 2s |