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[SD3 dreambooth lora] smol fix to checkpoint saving #9993

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Merged
linoytsaban merged 4 commits into from
Nov 24, 2024
Merged

[SD3 dreambooth lora] smol fix to checkpoint saving #9993

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b19a871
smol change to fix checkpoint saving & resuming (as done in train_dre…
linoytsaban Nov 22, 2024
6c1cef1
style
linoytsaban Nov 22, 2024
b1ece65
Merge branch 'main' into sd3-bug-fix
linoytsaban Nov 24, 2024
613a32d
modify comment to explain reasoning behind hidden size check
linoytsaban Nov 24, 2024
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11 changes: 7 additions & 4 deletions examples/dreambooth/train_dreambooth_lora_sd3.py
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Original file line number Diff line number Diff line change
Expand Up @@ -1294,10 +1294,13 @@ def save_model_hook(models, weights, output_dir):
for model in models:
if isinstance(model, type(unwrap_model(transformer))):
transformer_lora_layers_to_save = get_peft_model_state_dict(model)
elif isinstance(model, type(unwrap_model(text_encoder_one))):
text_encoder_one_lora_layers_to_save = get_peft_model_state_dict(model)
elif isinstance(model, type(unwrap_model(text_encoder_two))):
text_encoder_two_lora_layers_to_save = get_peft_model_state_dict(model)
elif isinstance(model, type(unwrap_model(text_encoder_one))): # or text_encoder_two
# both text encoders are of the same class, so we check hidden size to distinguish between the two
hidden_size = unwrap_model(model).config.hidden_size
if hidden_size == 768:
text_encoder_one_lora_layers_to_save = get_peft_model_state_dict(model)
elif hidden_size == 1280:
text_encoder_two_lora_layers_to_save = get_peft_model_state_dict(model)
else:
raise ValueError(f"unexpected save model: {model.__class__}")

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