Generating Julia function for log density evaluation

[sunxd3]

description to come...

[github-actions]

Benchmark results on macOS (aarch64)

BridgeStan not found at location specified by $BRIDGESTAN environment variable, downloading version 2.6.1 to /Users/runner/.bridgestan/bridgestan-2.6.1
Done!

Stan results:

Model	Parameters	Density Time (µs)	Density+Gradient Time (µs)
rats	65	4.90967	7.052
pumps	12	0.814286	0.958355
bones	13	74.291	84.541
oxford	244	10.75	13.979
epil	303	33.208	40.584
lsat	1006	100.75	133.625
schools	133	224.542	372.98
beetles	2	0.693452	0.860294
air	5	0.793919	0.982548

JuliaBUGS results:

Model	Parameters	Density Time (µs)	Density+Gradient Time (µs)
rats	65	84.417	310.416
pumps	12	13.646	22.625
bones	33	520.459	537.958
oxford	244	375.083	612.979
epil	303	306.792	754.146
lsat	1006	2545.62	4235.83
schools	133	1896.67	6977.83
beetles	2	9.19433	13.771
air	5	7.3125	9.625

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Benchmark results on Ubuntu (x64)

BridgeStan not found at location specified by $BRIDGESTAN environment variable, downloading version 2.6.1 to /home/runner/.bridgestan/bridgestan-2.6.1
Done!

Stan results:

Model	Parameters	Density Time (µs)	Density+Gradient Time (µs)
rats	65	5.2038	7.54917
pumps	12	0.952774	1.12327
bones	13	71.684	88.306
oxford	244	13.761	16.601
epil	303	29.234	35.556
lsat	1006	152.126	190.077
schools	133	490.419	723.852
beetles	2	0.830971	1.02871
air	5	0.613229	0.779342

JuliaBUGS results:

Model	Parameters	Density Time (µs)	Density+Gradient Time (µs)
rats	65	71.724	86.883
pumps	12	12.824	6.60475
bones	33	391.383	192.697
oxford	244	349.62	182.452
epil	303	267.917	241.566
lsat	1006	1965.32	1317.98
schools	133	1758.99	3021.6
beetles	2	7.45383	3.913
air	5	6.56225	2.34767