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Fix a bug in the extra_grad_norm_sq func #16

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Fix a bug in the extra_grad_norm_sq func #16

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2 changes: 2 additions & 0 deletions varuna/varuna.py
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Original file line number Diff line number Diff line change
Expand Up @@ -654,6 +654,8 @@ def all_reduce_pipeline_meta(self, master_grads, overflow_buf=None):

def extra_grad_norm_sq(self):
extra_norm_sq = 0.0
if self.shared_weights is None:
return extra_norm_sq
for i,w in enumerate(self.shared_weights):
recv_stage, send_stage = self.shared_weight_stages[i]
recv_wt_name, send_wt_name = w
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