remove fallback implemenations of combination/permutation functions #672
| Job | Run time |
|---|---|
| 2m 6s | |
| 1m 49s | |
| 1m 56s | |
| 1m 48s | |
| 1m 50s | |
| 38s | |
| 1m 59s | |
| 1m 50s | |
| 37s | |
| 1m 51s | |
| 1m 49s | |
| 39s | |
| 1m 45s | |
| 1m 22s | |
| 19s | |
| 1m 26s | |
| 23m 44s |
| Job | Run time |
|---|---|
| 2m 6s | |
| 1m 49s | |
| 1m 56s | |
| 1m 48s | |
| 1m 50s | |
| 38s | |
| 1m 59s | |
| 1m 50s | |
| 37s | |
| 1m 51s | |
| 1m 49s | |
| 39s | |
| 1m 45s | |
| 1m 22s | |
| 19s | |
| 1m 26s | |
| 23m 44s |