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Simplify Numba implementation of Alloc #1329

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merged 1 commit into from
Jun 13, 2025
Merged

Simplify Numba implementation of Alloc #1329

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7 changes: 3 additions & 4 deletions pytensor/link/numba/dispatch/tensor_basic.py
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Original file line number Diff line number Diff line change
Expand Up @@ -68,7 +68,7 @@ def numba_funcify_Alloc(op, node, **kwargs):
shape_var_item_names = [f"{name}_item" for name in shape_var_names]
shapes_to_items_src = indent(
"\n".join(
f"{item_name} = to_scalar({shape_name})"
f"{item_name} = {shape_name}.item()"
for item_name, shape_name in zip(
shape_var_item_names, shape_var_names, strict=True
)
Expand All @@ -86,12 +86,11 @@ def numba_funcify_Alloc(op, node, **kwargs):

alloc_def_src = f"""
def alloc(val, {", ".join(shape_var_names)}):
val_np = np.asarray(val)
{shapes_to_items_src}
scalar_shape = {create_tuple_string(shape_var_item_names)}
{check_runtime_broadcast_src}
res = np.empty(scalar_shape, dtype=val_np.dtype)
res[...] = val_np
res = np.empty(scalar_shape, dtype=val.dtype)
res[...] = val
return res
"""
alloc_fn = compile_function_src(alloc_def_src, "alloc", {**globals(), **global_env})
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