Hierarchical model with copula on GPU: NumPyro or nutpie using PyMC 5.19?

Дата публикации: 09-07-2026 14:25:45

A better sampler like nutpie (even better with low-rank adaptation) may help. Your data is small, that I would invite you to try the numba backend (default if you go with nutpie). It’s usually the best performing on CPU, although not always. Also suggest you update to newer pymc > 6.x, we did a lot of improvements on the numba backend: PyMC 6.0 & PyTensor 3.0: ecosystem updates — PyMC project website
If you don’t see any improvements, we may need to look at the model like bob hinted at

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