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modify atomic functions #334

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Merged
IvanGrigorik merged 3 commits into from
Dec 25, 2025
Merged

modify atomic functions #334

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ff819ec
modify atomic functions
Wilson1211 Dec 24, 2025
6123d96
change camelCase to snake_case
Wilson1211 Dec 25, 2025
e22e89a
Merge branch 'kokkos:main' into main
Wilson1211 Dec 25, 2025
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12 changes: 9 additions & 3 deletions pykokkos/interface/atomic/atomic_fetch_op.py
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Original file line number Diff line number Diff line change
Expand Up @@ -45,17 +45,19 @@ def atomic_fetch_max(
view: View,
indices: List[int],
value: Union[int, float]) -> Union[int, float]:
old_result: int = view[indices[-1]]
inner = reduce(operator.getitem, indices[:-1], view)
inner[indices[-1]] = max(inner[indices[-1]], value)
return inner[indices[-1]]
return old_result

def atomic_fetch_min(
view: View,
indices: List[int],
value: Union[int, float]) -> Union[int, float]:
old_result: int = view[indices[-1]]
inner = reduce(operator.getitem, indices[:-1], view)
inner[indices[-1]] = min(inner[indices[-1]], value)
return inner[indices[-1]]
return old_result

def atomic_fetch_mod(
view: View,
Expand Down Expand Up @@ -110,4 +112,8 @@ def atomic_compare_exchange(
indices: List[int],
comparison_value: int,
new_value: int) -> int:
pass
inner = reduce(operator.getitem, indices[:-1], view)
old_result = inner[indices[-1]]
if old_result == comparison_value:
inner[indices[-1]] = new_value
return old_result