Don't require fixed_param for models with zero parameters (only GQs) for CmdStan >= 2.36
#1990
| Job | Run time |
|---|---|
| 41m 36s | |
| 42s | |
| 42m 22s | |
| 42m 7s | |
| 42m 21s | |
| 42m 19s | |
| 42m 21s | |
| 42m 18s | |
| 4h 56m 6s |