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Exclude numba rewrites from JAX Scan rewrites #1825

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ricardoV94 merged 1 commit into from
Jan 5, 2026
Merged

Exclude numba rewrites from JAX Scan rewrites #1825

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5 changes: 4 additions & 1 deletion pytensor/link/jax/dispatch/scan.py
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Original file line number Diff line number Diff line change
Expand Up @@ -29,7 +29,10 @@ def jax_funcify_Scan(op: Scan, **kwargs):

# Optimize inner graph (exclude any defalut rewrites that are incompatible with JAX mode)
rewriter = (
get_mode(op.mode).including("jax").excluding(*JAX._optimizer.exclude).optimizer
get_mode(op.mode)
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@ricardoV94 ricardoV94 Jan 5, 2026

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Specifically when op.mode is None, it will return a NumbaLinker if pytensor.config.linker="numba" or pytensor.config.mode="NUMBA".

.including("jax")
.excluding("numba", *JAX._optimizer.exclude)
.optimizer
)
rewriter(op.fgraph)
scan_inner_func = jax_funcify(op.fgraph, **kwargs)
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