Switch to using thread_local regular expressions to stop mutext contention #517
| Job | Run time |
|---|---|
| 2m 47s | |
| 2m 6s | |
| 18s | |
| 4m 39s | |
| 5m 4s | |
| 6m 53s | |
| 6m 56s | |
| 2m 30s | |
| 8m 40s | |
| 8m 50s | |
| 9m 23s | |
| 10m 36s | |
| 13m 5s | |
| 6m 25s | |
| 7m 18s | |
| 5m 54s | |
| 5m 50s | |
| 8m 23s | |
| 6m 35s | |
| 7m 33s | |
| 7m 17s | |
| 10m 37s | |
| 2h 27m 39s |