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NumPyro composable effects and iterative compiled NUTS

Contribution grade

Accelerated probabilistic programming · Human-designed research method or resource

Reference score135,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Combines Pyro-style effect handlers with JAX transformations and replaces NUTS's recursive tree-building implementation by an iterative form suitable for end-to-end JIT compilation.

Scientific scope

Combines Pyro-style effect handlers with JAX transformations and replaces NUTS's recursive tree-building implementation by an iterative form suitable for end-to-end JIT compilation. NUTS and JAX are inherited. Speedups vary by model, precision and hardware; time per leapfrog step is not automatically time per effective posterior sample, and finite sampling is not exact inference. First two authors contribute equally.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. NUTS and JAX are inherited. Speedups vary by model, precision and hardware; time per leapfrog step is not automatically time per effective posterior sample, and finite sampling is not exact inference. First two authors contribute equally.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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