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add script: merge the lora weights to the base model #136

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add script: merge the lora weights to the base model #136

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6585acf
add script: merge the lora weights to the base model
madroidmaq Jun 10, 2023
1d08b77
Update training/lora/example/redpajama-incite-chat-3b_merge.py
madroidmaq Jun 10, 2023
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18 changes: 18 additions & 0 deletions training/lora/example/redpajama-incite-chat-3b_merge.py
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import torch
from peft import PeftModel, PeftConfig
from transformers import AutoModelForCausalLM

peft_model_path = 'outputs/redpajama-incite-chat-3b-sample-lowrank'

config = PeftConfig.from_pretrained(peft_model_path)
model = AutoModelForCausalLM.from_pretrained(
config.base_model_name_or_path,
return_dict=True,
device_map='auto')

# Load the Lora model
model = PeftModel.from_pretrained(model, peft_model_path)

model = model.merge_and_unload()

model.save_pretrained('outputs/redpajama-incite-chat-3b-sample-lowrank-merged')