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1import transformers
2from peft import PeftModel
3import torch
4
5model_name = "google/flan-t5-xxl"; peft_model_id = "reasonwang/flan-alpaca-lora-xxl"
6tokenizer = transformers.AutoTokenizer.from_pretrained(model_name)
7base_model = transformers.AutoModelForSeq2SeqLM.from_pretrained(model_name, use_cache=False, load_in_8bit=True, torch_dtype=torch.float16, device_map={"": 0})
8peft_model = PeftModel.from_pretrained(base_model, peft_model_id, device_map={"": 0})
9
10inputs = tokenizer("List a few tips to get good scores in math.", return_tensors="pt")
11for k, v in inputs.items():
12 inputs[k] = v.to("cuda")
13outputs = peft_model.generate(**inputs, max_length=128, do_sample=True)
14print(tokenizer.batch_decode(outputs, skip_special_tokens=True))
15