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Add P.UNCONSTRAINED condition in remove size one mesh axis #2947

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Merged
copybara-service merged 1 commit into from
Jan 14, 2026
Merged

Add P.UNCONSTRAINED condition in remove size one mesh axis #2947

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2 changes: 1 addition & 1 deletion src/MaxText/sharding.py
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Original file line number Diff line number Diff line change
Expand Up @@ -85,7 +85,7 @@ def remove_size_one_mesh_axis(spec, mesh):
return None
new_spec = [] # type: ignore
for s in spec:
if s is None:
if s is None or s == P.UNCONSTRAINED:
new_spec.append(s) # type: ignore
elif isinstance(s, tuple):
new_spec.append(tuple(i for i in s if mesh.shape[i] != 1))
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