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1model_id = "llm-jp/llm-jp-3-13b"
2adapter_id = "Vasopressin/llm-jp-3-13b-finetune"
3
4# QLoRA config
5bnb_config = BitsAndBytesConfig(
6 load_in_4bit=True,
7 bnb_4bit_quant_type="nf4",
8 bnb_4bit_compute_dtype=torch.bfloat16,
9)
10
11# Load model
12model = AutoModelForCausalLM.from_pretrained(
13 model_id,
14 quantization_config=bnb_config,
15 device_map="auto",
16 token = HF_TOKEN
17)
18
19# Load tokenizer
20tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True, token = HF_TOKEN)
21
22# Join adapter to original model
23model = PeftModel.from_pretrained(model, adapter_id, token = HF_TOKEN)
24
25# Load task jsonl file
26import json
27datasets = []
28with open("/path/to/task/jsonl/file", "r") as f:
29 item = ""
30 for line in f:
31 line = line.strip()
32 item += line
33 if item.endswith("}"):
34 datasets.append(json.loads(item))
35 item = ""
36
37# Infer
38from tqdm import tqdm
39
40results = []
41for data in tqdm(datasets):
42
43 input = data["input"]
44
45 prompt = f"""### 指示
46 {input}
47 ### 回答
48 """
49
50 tokenized_input = tokenizer.encode(prompt, add_special_tokens=False, return_tensors="pt").to(model.device)
51 attention_mask = torch.ones_like(tokenized_input)
52
53 with torch.no_grad():
54 outputs = model.generate(
55 tokenized_input,
56 attention_mask=attention_mask,
57 max_new_tokens=100,
58 do_sample=False,
59 repetition_penalty=1.2,
60 pad_token_id=tokenizer.eos_token_id
61 )[0]
62 output = tokenizer.decode(outputs[tokenized_input.size(1):], skip_special_tokens=True)
63
64 results.append({"task_id": data["task_id"], "input": input, "output": output})
65
66# Get output jsonl file
67import re
68jsonl_id = re.sub(".*/", "", new_model_id)
69with open(f"./{jsonl_id}-outputs.jsonl", 'w', encoding='utf-8') as f:
70 for result in results:
71 json.dump(result, f, ensure_ascii=False) # ensure_ascii=False for handling non-ASCII characters
72 f.write('\n')