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Fix _free_full_params() #1149

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Fix _free_full_params() #1149

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2 changes: 2 additions & 0 deletions fairscale/nn/data_parallel/fully_sharded_data_parallel.py
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Original file line number Diff line number Diff line change
Expand Up @@ -2096,6 +2096,8 @@ def _free_full_params(self, params: Optional[List[Parameter]] = None) -> None:
"""Free up storage for full parameters."""
if params is None:
params = self.params
if not self.has_full_params:
return
self.has_full_params = False
current_stream = torch.cuda.current_stream()
for p in params:
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