Update README.md

README.md

@@ -20,3 +20,165 @@ language:
 This llama model was trained 2x faster with [Unsloth](https://github.com/unslothai/unsloth) and Huggingface's TRL library.
 
 [<img src="https://raw.githubusercontent.com/unslothai/unsloth/main/images/unsloth%20made%20with%20love.png" width="200"/>](https://github.com/unslothai/unsloth)
+
+# Usage
+The below code is the procedure from model import to inference. (Environment: Google Colaboratory, T4 GPU)
+
+~~~
+!pip uninstall unsloth -y
+!pip install --upgrade --no-cache-dir "unsloth[colab-new] @ git+https://github.com/unslothai/unsloth.git"
+
+!pip install --upgrade torch
+!pip install --upgrade xformers
+
+import torch
+if torch.cuda.get_device_capability()[0] >= 8:
+    !pip install --no-deps packaging ninja einops "flash-attn>=2.6.3"
+
+HF_TOKEN = [YOURTOKEN]
+
+from unsloth import FastLanguageModel
+import torch
+max_seq_length = 512 # unslothではRoPEをサポートしているのでコンテキスト長は自由に設定可能
+dtype = None # Noneにしておけば自動で設定
+load_in_4bit = True # 今回は13Bモデルを扱うためTrue
+
+model_id = "llm-jp/llm-jp-3-13b"
+new_model_id = "llm-jp-3-13b-it" #Fine-Tuningしたモデルにつけたい名前、it: Instruction Tuning
+# FastLanguageModel インスタンスを作成
+model, tokenizer = FastLanguageModel.from_pretrained(
+    model_name=model_id,
+    dtype=dtype,
+    load_in_4bit=load_in_4bit,
+    trust_remote_code=True,
+)
+
+# SFT用のモデルを用意
+model = FastLanguageModel.get_peft_model(
+    model,
+    r = 32,
+    target_modules = ["q_proj", "k_proj", "v_proj", "o_proj",
+                      "gate_proj", "up_proj", "down_proj",],
+    lora_alpha = 32,
+    lora_dropout = 0.05,
+    bias = "none",
+    use_gradient_checkpointing = "unsloth",
+    random_state = 3407,
+    use_rslora = False,
+    loftq_config = None,
+    max_seq_length = max_seq_length,
+)
+
+from google.colab import drive
+drive.mount('/content/drive')
+
+from datasets import load_dataset
+
+dataset = load_dataset("json", data_files="/content/drive/MyDrive/Colab Notebooks/LLM/final/traindata/Distribution20241221_all/ichikara-instruction-003-001-1.json")
+
+# 学習時のプロンプトフォーマットの定義
+prompt = """### 指示
+{}
+### 回答
+{}"""
+
+
+"""
+formatting_prompts_func: 各データをプロンプトに合わせた形式に合わせる
+"""
+EOS_TOKEN = tokenizer.eos_token # トークナイザーのEOSトークン（文末トークン）
+def formatting_prompts_func(examples):
+    input = examples["text"] # 入力データ
+    output = examples["output"] # 出力データ
+    text = prompt.format(input, output) + EOS_TOKEN # プロンプトの作成
+    return { "formatted_text" : text, } # 新しいフィールド "formatted_text" を返す
+pass
+
+# # 各データにフォーマットを適用
+dataset = dataset.map(
+    formatting_prompts_func,
+    num_proc= 4, # 並列処理数を指定
+)
+
+from trl import SFTTrainer
+from transformers import TrainingArguments
+from unsloth import is_bfloat16_supported
+
+trainer = SFTTrainer(
+    model = model,
+    tokenizer = tokenizer,
+    train_dataset=dataset["train"],
+    max_seq_length = max_seq_length,
+    dataset_text_field="formatted_text",
+    packing = False,
+    args = TrainingArguments(
+        per_device_train_batch_size = 2,
+        gradient_accumulation_steps = 4,
+        num_train_epochs = 1,
+        logging_steps = 10,
+        warmup_steps = 10,
+        save_steps=100,
+        save_total_limit=2,
+        max_steps=-1,
+        learning_rate = 2e-4,
+        fp16 = not is_bfloat16_supported(),
+        bf16 = is_bfloat16_supported(),
+        group_by_length=True,
+        seed = 3407,
+        output_dir = "outputs",
+        report_to = "none",
+    ),
+)
+
+gpu_stats = torch.cuda.get_device_properties(0)
+start_gpu_memory = round(torch.cuda.max_memory_reserved() / 1024 / 1024 / 1024, 3)
+max_memory = round(gpu_stats.total_memory / 1024 / 1024 / 1024, 3)
+print(f"GPU = {gpu_stats.name}. Max memory = {max_memory} GB.")
+print(f"{start_gpu_memory} GB of memory reserved.")
+
+trainer_stats = trainer.train()
+
+import json
+datasets = []
+with open("/content/drive/MyDrive/Colab Notebooks/LLM/final/testdata/elyza-tasks-100-TV_0.jsonl", "r") as f:
+    item = ""
+    for line in f:
+      line = line.strip()
+      item += line
+      if item.endswith("}"):
+        datasets.append(json.loads(item))
+        item = ""
+
+from tqdm import tqdm
+
+# 推論するためにモデルのモードを変更
+FastLanguageModel.for_inference(model)
+
+results = []
+for dt in tqdm(datasets):
+  input = dt["input"]
+
+  prompt = f"""### 指示\n{input}\n### 回答\n"""
+
+  inputs = tokenizer([prompt], return_tensors = "pt").to(model.device)
+
+  outputs = model.generate(**inputs, max_new_tokens = 512, use_cache = True, do_sample=False, repetition_penalty=1.2)
+  prediction = tokenizer.decode(outputs[0], skip_special_tokens=True).split('\n### 回答')[-1]
+
+  results.append({"task_id": dt["task_id"], "input": input, "output": prediction})
+
+with open(f"{new_model_id}_output.jsonl", 'w', encoding='utf-8') as f:
+    for result in results:
+        json.dump(result, f, ensure_ascii=False)
+        f.write('\n')
+
+
+model.push_to_hub_merged(
+    new_model_id+"_lora",
+    tokenizer=tokenizer,
+    save_method="lora",
+    token=HF_TOKEN,
+    private=True
+)
+
+~~~