use torch api to get distributed backend #3804
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ankurneog
requested review from
merrymercy,
Ying1123,
hnyls2002,
zhyncs and
ispobock
as code owners
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will work only with Pytorch 2.6.0+ |
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Motivation
Use torch.distributed APIs to get distributed backend name for device
Modifications
Use API : https://github.com/pytorch/pytorch/blob/baccadb2f147863db5d43edd3dba6b55081b9288/torch/distributed/distributed_c10d.py#L1372
in
init_torch_distributedto get the default distributed backend name directly instead of hardcoding these names.