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warning for process group name not found conditionally #1973

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11 changes: 9 additions & 2 deletions helion/_dist_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -210,9 +210,16 @@ def _find_process_group_name(fn: Callable, args: tuple[object, ...]) -> str | No
assert isinstance(arg, str), f"{type(arg)}"
return arg

warning(ProcessGroupNameNotFound)
assert dist.group.WORLD is not None
return dist.group.WORLD.group_name
group_name = dist.group.WORLD.group_name
has_symm_mem_tensor = any(
is_symm_mem_tensor(arg, group_name)
for arg in args
if isinstance(arg, torch.Tensor)
)
if has_symm_mem_tensor:
warning(ProcessGroupNameNotFound)
return group_name


def _clone_symm_mem_tensor(
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