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ScheduleFree AdamW Support #184

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ScheduleFree AdamW Support #184

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4 changes: 4 additions & 0 deletions extensions_built_in/sd_trainer/SDTrainer.py
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Original file line number Diff line number Diff line change
Expand Up @@ -117,6 +117,10 @@ def before_dataset_load(self):

def hook_before_train_loop(self):
super().hook_before_train_loop()


if self.train_config.optimizer == 'schedulefree':
self.optimizer.train()

if self.train_config.do_prior_divergence:
self.do_prior_prediction = True
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7 changes: 7 additions & 0 deletions toolkit/optimizer.py
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Expand Up @@ -56,6 +56,13 @@ def get_optimizer(
optimizer = torch.optim.Adam(params, lr=float(learning_rate), eps=1e-6, **optimizer_params)
elif lower_type == 'adamw':
optimizer = torch.optim.AdamW(params, lr=float(learning_rate), eps=1e-6, **optimizer_params)
elif lower_type == 'schedulefree':
print("Using ScheduleFree optimizer")
try:
from schedulefree import AdamWScheduleFree
except ImportError:
raise ImportError("Please install schedulefree to use ScheduleFree optimizer -> pip install schedulefree")
optimizer = AdamWScheduleFree(params, lr=learning_rate, **optimizer_params)
elif lower_type == 'lion':
try:
from lion_pytorch import Lion
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