Hello,
I wonder if it would be useful to implement diffusion-based sampling methods in PyMC, as described here: [2402.05098] On diffusion models for amortized inference: Benchmarking and improving stochastic control and sampling? Do I think in the right direction or it’s totally misplaced in PyMC?
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Useful is a funny word, but it would certainly be interesting. I think the pymc-experimental package exists for exactly projectsl like this one. PyMC would allow you to easily define the energy function (the unnormalized logp of the model), then you’ll have to do a lot of work to implement the diffusion scheme in pytensor.
Tag me if you end up working on something, it looks super interesting!
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