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add sharded loading for safetensors in AutoTP (#4854) #2

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add sharded loading for safetensors in AutoTP (#4854) #2

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7 changes: 6 additions & 1 deletion deepspeed/module_inject/replace_module.py
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Original file line number Diff line number Diff line change
Expand Up @@ -568,7 +568,12 @@ def replace_module(model, orig_class, replace_fn, _replace_policy, checkpoint=No
"""
sd = None
if checkpoint is not None:
sd = torch.load(checkpoint, map_location='cpu')
if checkpoint.endswith(".safetensors"):
from safetensors.torch import load_file
sd = load_file(checkpoint)
else:
sd = torch.load(checkpoint, map_location='cpu')

policy = {}
if orig_class is not None:
policy.update({orig_class: (replace_fn, _replace_policy)})
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1 change: 1 addition & 0 deletions requirements/requirements-inf.txt
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@@ -1,5 +1,6 @@
google
lm-eval>=0.2.0
protobuf
safetensors
transformers
transformers[sentencepiece]