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Merged
fehiepsi merged 2 commits into from
Dec 14, 2025
+58 −48
Merged

Bugfix/mutables leaves #2105

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eeaeae1
infer.svi: treat empty JaxTrees of mutables as equivalent to None at all
esennesh Dec 12, 2025
abdfacb
notebooks.source.nnx_example: employ TraceGraph_ELBO to hit mutables-…
esennesh Dec 12, 2025
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104 changes: 57 additions & 47 deletions notebooks/source/nnx_example.ipynb
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2 changes: 1 addition & 1 deletion numpyro/infer/svi.py
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Original file line number Diff line number Diff line change
Expand Up @@ -50,7 +50,7 @@ def _make_loss_fn(
):
def loss_fn(params):
params = constrain_fn(params)
if mutable_state is not None:
if jax.tree.leaves(mutable_state):
params.update(jax.lax.stop_gradient(mutable_state))
result = elbo.loss_with_mutable_state(
rng_key, params, model, guide, *args, **kwargs, **static_kwargs
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