fix: handle empty row or column colors in mixed mode sparse Jacobian #2255
| Job | Run time |
|---|---|
| 21m 21s | |
| 12m 53s | |
| 7m 56s | |
| 21m 14s | |
| 5m 48s | |
| 6m 47s | |
| 1h 4m 8s | |
| 14m 39s | |
| 9m 42s | |
| 29m 30s | |
| 37m 37s | |
| 9m 2s | |
| 16m 6s | |
| 20m 41s | |
| 13m 1s | |
| 28m 48s | |
| 22m 31s | |
| 12m 13s | |
| 16m 33s | |
| 9m 32s | |
| 7m 59s | |
| 11m 56s | |
| 6h 39m 57s |