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Remove unnecessary duplicated model loading. #1359

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Remove unnecessary duplicated model loading. #1359

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7 changes: 3 additions & 4 deletions ptuning/web_demo.py
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Original file line number Diff line number Diff line change
Expand Up @@ -136,17 +136,16 @@ def main():
config.pre_seq_len = model_args.pre_seq_len
config.prefix_projection = model_args.prefix_projection

model = AutoModel.from_pretrained(model_args.model_name_or_path, config=config, trust_remote_code=True)

if model_args.ptuning_checkpoint is not None:
print(f"Loading prefix_encoder weight from {model_args.ptuning_checkpoint}")
model = AutoModel.from_pretrained(model_args.model_name_or_path, config=config, trust_remote_code=True)
prefix_state_dict = torch.load(os.path.join(model_args.ptuning_checkpoint, "pytorch_model.bin"))
new_prefix_state_dict = {}
for k, v in prefix_state_dict.items():
if k.startswith("transformer.prefix_encoder."):
new_prefix_state_dict[k[len("transformer.prefix_encoder."):]] = v
model.transformer.prefix_encoder.load_state_dict(new_prefix_state_dict)
else:
model = AutoModel.from_pretrained(model_args.model_name_or_path, config=config, trust_remote_code=True)

if model_args.quantization_bit is not None:
print(f"Quantized to {model_args.quantization_bit} bit")
Expand All @@ -163,4 +162,4 @@ def main():


if __name__ == "__main__":
main()
main()