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use is_symm_mem_tensor if the API is available #1933

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use is_symm_mem_tensor if the API is available #1933

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3 changes: 3 additions & 0 deletions helion/_dist_utils.py
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Original file line number Diff line number Diff line change
Expand Up @@ -78,6 +78,9 @@ def is_symm_mem_tensor(t: Tensor, process_group_name: str | None = None) -> bool
if not isinstance(t, Tensor) or not dist.is_initialized():
return False

if hasattr(symm_mem, "is_symm_mem_tensor"):
return symm_mem.is_symm_mem_tensor(t)

assert process_group_name is not None
try:
hdl = symm_mem.rendezvous(
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