profiling shows window size 12 gives a good average performance
#230
| Job | Run time |
|---|---|
| 1m 26s | |
| 26s | |
| 26s | |
| 2m 18s |
12 gives a good average performance
#230
| Job | Run time |
|---|---|
| 1m 26s | |
| 26s | |
| 26s | |
| 2m 18s |