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1#推論時のコード
2
3!pip install -U bitsandbytes
4!pip install -U transformers
5!pip install -U accelerate
6!pip install -U datasets
7!pip install -U peft
8!pip install ipywidgets --upgrade
9
10from transformers import (
11 AutoModelForCausalLM,
12 AutoTokenizer,
13 BitsAndBytesConfig,
14)
15from peft import PeftModel
16import torch
17from tqdm import tqdm
18import json
19
20# Hugging Faceで取得したTokenをこちらに貼る。
21HF_TOKEN = "YOUR_HF_TOKEN"
22
23model_id = "llm-jp/llm-jp-3-13b"
24adapter_id = "kiseich/llm-jp-3-13b-Etask"
25
26# QLoRA config
27bnb_config = BitsAndBytesConfig(
28 load_in_4bit=True,
29 bnb_4bit_quant_type="nf4",
30 bnb_4bit_compute_dtype=torch.bfloat16,
31)
32
33# Load model
34model = AutoModelForCausalLM.from_pretrained(
35 model_id,
36 quantization_config=bnb_config,
37 device_map="auto",
38 token = HF_TOKEN
39)
40
41# Load tokenizer
42tokenizer = AutoTokenizer.from_pretrained(model_id, trust_remote_code=True, token = HF_TOKEN)
43# 元のモデルにLoRAのアダプタを統合。
44model = PeftModel.from_pretrained(model, adapter_id, token = HF_TOKEN)
45model.eval()
46
47datasets = []
48with open("./elyza-tasks-100-TV_0.jsonl", "r") as f:
49 item = ""
50 for line in f:
51 line = line.strip()
52 item += line
53 if item.endswith("}"):
54 datasets.append(json.loads(item))
55 item = ""
56
57
58results = []
59for data in tqdm(datasets):
60
61 input = data["input"]
62
63 prompt = f"""### 指示
64 {input}
65 ### 回答
66 """
67
68 tokenized_input = tokenizer.encode(prompt, add_special_tokens=False, return_tensors="pt").to(model.device)
69 attention_mask = torch.ones_like(tokenized_input)
70 with torch.no_grad():
71 outputs = model.generate(
72 tokenized_input,
73 attention_mask=attention_mask,
74 max_new_tokens=100,
75 do_sample=False,
76 repetition_penalty=1.2,
77 pad_token_id=tokenizer.eos_token_id
78 )[0]
79 output = tokenizer.decode(outputs[tokenized_input.size(1):], skip_special_tokens=True)
80
81 results.append({"task_id": data["task_id"], "input": input, "output": output})
82
83import re
84jsonl_id = re.sub(".*/", "", adapter_id)
85with open(f"./{jsonl_id}-outputs.jsonl", 'w', encoding='utf-8') as f:
86 for result in results:
87 json.dump(result, f, ensure_ascii=False) # ensure_ascii=False for handling non-ASCII characters
88 f.write('\n')
89
90#以上でjsonlファイルを得る。