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out_sharding can be None for some primitives like rng_bit_generator_p. #32427

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Merged
merged 1 commit into from
Oct 7, 2025
Merged

out_sharding can be None for some primitives like rng_bit_generator_p. #32427

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3 changes: 2 additions & 1 deletion jax/_src/lax/utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -77,7 +77,8 @@ def call_unreduced_rule(prim, unreduced_rule, out_s, num_out, *avals, **kwargs):
raise NotImplementedError(
f'unreduced rule for {prim.name} is not implemented. Please file an'
' issue at https://github.com/jax-ml/jax/issues')
if any(s.spec.unreduced for s in ([out_s] if num_out is None else out_s)):
if any(s.spec.unreduced for s in ([out_s] if num_out is None else out_s)
if s is not None):
raise NotImplementedError(
f'unreduced rule for {prim.name} is not implemented. Please file an'
' issue at https://github.com/jax-ml/jax/issues')
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