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add width_mult to optimizer dict #65

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add width_mult to optimizer dict #65

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1 change: 1 addition & 0 deletions mup/optim.py
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Original file line number Diff line number Diff line change
Expand Up @@ -75,6 +75,7 @@ def new_group():
for width_mult, group in matrix_like_p.items():
# Scale learning rate and weight decay accordingly
group['lr'] /= width_mult
group['width_mult'] = width_mult
if not decoupled_wd:
group['weight_decay'] *= width_mult
new_param_groups.extend(list(matrix_like_p.values()) + [vector_like_p])
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