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# LLaMA Efficient Tuning
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\[ [English ](README.md ) | 中文 \]
## 更新日志
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[23/09/10] 现在我们支持了 LLaMA 模型的 ** [FlashAttention ](https://github.com/Dao-AILab/flash-attention )**。如果您使用的是 RTX4090、A100 或 H100 GPU, 请使用 `--flash_attn` 参数以启用 FlashAttention-2( 实验性功能) 。
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[23/08/18] 现在我们支持了**训练状态恢复**,请将 `transformers` 升级至 `4.31.0` 以启用此功能。
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[23/08/12] 现在我们支持了 **RoPE 插值**来扩展 LLaMA 模型的上下文长度。请使用 `--rope_scaling linear` 参数训练模型或使用 `--rope_scaling dynamic` 参数评估模型。
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[23/08/11] 现在我们支持了指令模型的 ** [DPO 训练 ](https://arxiv.org/abs/2305.18290 )**。详情请参阅[此示例](#dpo-训练)。
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[23/07/31] 现在我们支持了**数据流式加载**。请尝试使用 `--streaming` 和 `--max_steps 10000` 参数来流式加载数据集。
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[23/07/29] 我们在 Hugging Face 发布了两个 13B 指令微调模型。详细内容请查阅我们的 Hugging Face 项目([LLaMA-2](https://huggingface.co/hiyouga/Llama-2-Chinese-13b-chat) / [Baichuan ](https://huggingface.co/hiyouga/Baichuan-13B-sft ))。
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[23/07/18] 我们开发了支持训练和测试的**浏览器一体化界面**。请尝试使用 `train_web.py` 在您的浏览器中微调模型。感谢 [@KanadeSiina ](https://github.com/KanadeSiina ) 和 [@codemayq ](https://github.com/codemayq ) 在该功能开发中付出的努力。
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[23/07/09] 我们开源了 ** [FastEdit ](https://github.com/hiyouga/FastEdit )** ⚡🩹,一个简单易用的、能迅速编辑大模型事实记忆的工具包。如果您感兴趣请关注我们的 [FastEdit ](https://github.com/hiyouga/FastEdit ) 项目。
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[23/06/29] 我们提供了一个**可复现的**指令模型微调示例,详细内容请查阅 [Baichuan-7B-sft ](https://huggingface.co/hiyouga/Baichuan-7B-sft )。
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[23/06/22] 我们对齐了[示例 API](src/api_demo.py) 与 [OpenAI API ](https://platform.openai.com/docs/api-reference/chat ) 的格式,您可以将微调模型接入**任意基于 ChatGPT 的应用**中。
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[23/06/03] 现在我们实现了 4 比特的 LoRA 训练(也称 ** [QLoRA ](https://github.com/artidoro/qlora )**)。请尝试使用 `--quantization_bit 4` 参数进行 4 比特量化微调。
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## 模型
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| 模型名 | 模型大小 | 默认模块 | Template |
| -------------------------------------------------------- | --------------------------- | ----------------- | --------- |
| [LLaMA ](https://github.com/facebookresearch/llama ) | 7B/13B/33B/65B | q_proj,v_proj | - |
| [LLaMA-2 ](https://huggingface.co/meta-llama ) | 7B/13B/70B | q_proj,v_proj | llama2 |
| [BLOOM ](https://huggingface.co/bigscience/bloom ) | 560M/1.1B/1.7B/3B/7.1B/176B | query_key_value | - |
| [BLOOMZ ](https://huggingface.co/bigscience/bloomz ) | 560M/1.1B/1.7B/3B/7.1B/176B | query_key_value | - |
| [Falcon ](https://huggingface.co/tiiuae/falcon-7b ) | 7B/40B | query_key_value | - |
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| [Baichuan ](https://github.com/baichuan-inc/Baichuan-13B ) | 7B/13B | W_pack | baichuan |
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| [Baichuan2 ](https://github.com/baichuan-inc/Baichuan2 ) | 7B/13B | W_pack | baichuan2 |
| [InternLM ](https://github.com/InternLM/InternLM ) | 7B | q_proj,v_proj | intern |
| [Qwen ](https://github.com/QwenLM/Qwen-7B ) | 7B | c_attn | chatml |
| [XVERSE ](https://github.com/xverse-ai/XVERSE-13B ) | 13B | q_proj,v_proj | xverse |
| [ChatGLM2 ](https://github.com/THUDM/ChatGLM2-6B ) | 6B | query_key_value | chatglm2 |
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> [!NOTE]
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> **默认模块**应作为 `--lora_target` 参数的默认值,可使用 `--lora_target all` 参数指定全部模块。
>
> 对于所有“基座”( Base) 模型, `--template` 参数可以是 `default`, `alpaca`, `vicuna` 等任意值。但“对话”( Chat) 模型请务必使用对应的模板。
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## 训练方法
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| 方法 | 全参数训练 | 部分参数训练 | LoRA | QLoRA |
| ---------------------- | ------------------ | ------------------ | ------------------ | ------------------ |
| 预训练 | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
| 指令监督微调 | :white_check_mark: | :white_check_mark: | :white_check_mark: | :white_check_mark: |
| 奖励模型训练 | | | :white_check_mark: | :white_check_mark: |
| PPO 训练 | | | :white_check_mark: | :white_check_mark: |
| DPO 训练 | :white_check_mark: | | :white_check_mark: | :white_check_mark: |
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> [!NOTE]
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> 请使用 `--quantization_bit 4/8` 参数来启用 QLoRA 训练。
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## 数据集
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- 用于预训练:
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- [Wiki Demo (en) ](data/wiki_demo.txt )
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- [RefinedWeb (en) ](https://huggingface.co/datasets/tiiuae/falcon-refinedweb )
- [StarCoder (en) ](https://huggingface.co/datasets/bigcode/starcoderdata )
- [Wikipedia (en) ](https://huggingface.co/datasets/olm/olm-wikipedia-20221220 )
- [Wikipedia (zh) ](https://huggingface.co/datasets/pleisto/wikipedia-cn-20230720-filtered )
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- 用于指令监督微调:
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- [Stanford Alpaca (en) ](https://github.com/tatsu-lab/stanford_alpaca )
- [Stanford Alpaca (zh) ](https://github.com/ymcui/Chinese-LLaMA-Alpaca )
- [GPT-4 Generated Data (en&zh) ](https://github.com/Instruction-Tuning-with-GPT-4/GPT-4-LLM )
- [Open Assistant (multilingual) ](https://huggingface.co/datasets/OpenAssistant/oasst1 )
- [Self-cognition (zh) ](data/self_cognition.json )
- [ShareGPT (zh) ](https://huggingface.co/datasets/QingyiSi/Alpaca-CoT/tree/main/Chinese-instruction-collection )
- [Guanaco Dataset (multilingual) ](https://huggingface.co/datasets/JosephusCheung/GuanacoDataset )
- [BELLE 2M (zh) ](https://huggingface.co/datasets/BelleGroup/train_2M_CN )
- [BELLE 1M (zh) ](https://huggingface.co/datasets/BelleGroup/train_1M_CN )
- [BELLE 0.5M (zh) ](https://huggingface.co/datasets/BelleGroup/train_0.5M_CN )
- [BELLE Dialogue 0.4M (zh) ](https://huggingface.co/datasets/BelleGroup/generated_chat_0.4M )
- [BELLE School Math 0.25M (zh) ](https://huggingface.co/datasets/BelleGroup/school_math_0.25M )
- [BELLE Multiturn Chat 0.8M (zh) ](https://huggingface.co/datasets/BelleGroup/multiturn_chat_0.8M )
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- [LIMA (en) ](https://huggingface.co/datasets/GAIR/lima )
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- [CodeAlpaca 20k (en) ](https://huggingface.co/datasets/sahil2801/CodeAlpaca-20k )
- [Alpaca CoT (multilingual) ](https://huggingface.co/datasets/QingyiSi/Alpaca-CoT )
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- [MathInstruct (en) ](https://huggingface.co/datasets/TIGER-Lab/MathInstruct )
- [Firefly 1.1M (zh) ](https://huggingface.co/datasets/YeungNLP/firefly-train-1.1M )
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- [Web QA (zh) ](https://huggingface.co/datasets/suolyer/webqa )
- [UltraChat (en) ](https://github.com/thunlp/UltraChat )
- [WebNovel (zh) ](https://huggingface.co/datasets/zxbsmk/webnovel_cn )
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- [Ad Gen (zh) ](https://huggingface.co/datasets/HasturOfficial/adgen )
- 用于训练奖励模型或 DPO 训练:
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- [HH-RLHF (en) ](https://huggingface.co/datasets/Anthropic/hh-rlhf )
- [Open Assistant (multilingual) ](https://huggingface.co/datasets/OpenAssistant/oasst1 )
- [GPT-4 Generated Data (en&zh) ](https://github.com/Instruction-Tuning-with-GPT-4/GPT-4-LLM )
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使用方法请参考 [data/README.md ](data/README_zh.md ) 文件。
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部分数据集的使用需要确认,我们推荐使用下述命令登录您的 Hugging Face 账户。
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```bash
pip install --upgrade huggingface_hub
huggingface-cli login
```
## 软件依赖
- Python 3.8+ 和 PyTorch 1.13.1+
- 🤗Transformers, Datasets, Accelerate, PEFT 和 TRL
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- sentencepiece, protobuf 和 tiktoken
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- jieba, rouge-chinese 和 nltk (用于评估)
- gradio 和 matplotlib (用于网页端交互)
- uvicorn, fastapi 和 sse-starlette (用于 API)
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以及 **强而有力的 GPU** !
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## 如何使用
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### 数据准备(可跳过)
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关于数据集文件的格式,请参考 `data/example_dataset` 文件夹的内容。构建自定义数据集时,既可以使用单个 `.json` 文件,也可以使用一个[数据加载脚本](https://huggingface.co/docs/datasets/dataset_script)和多个文件。
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> [!NOTE]
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> 使用自定义数据集时,请更新 `data/dataset_info.json` 文件,该文件的格式请参考 `data/README.md`。
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### 环境搭建(可跳过)
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```bash
git clone https://github.com/hiyouga/LLaMA-Efficient-Tuning.git
conda create -n llama_etuning python=3.10
conda activate llama_etuning
cd LLaMA-Efficient-Tuning
pip install -r requirements.txt
```
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如果要在 Windows 平台上开启量化 LoRA( QLoRA) , 需要安装预编译的 `bitsandbytes` 库, 支持 CUDA 11.1 到 12.1.
```bash
pip install https://github.com/jllllll/bitsandbytes-windows-webui/releases/download/wheels/bitsandbytes-0.39.1-py3-none-win_amd64.whl
```
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### 浏览器一体化界面
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```bash
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CUDA_VISIBLE_DEVICES=0 python src/train_web.py
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```
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我们极力推荐新手使用浏览器一体化界面,因为它还可以**自动**生成运行所需的命令行脚本。
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> [!WARNING]
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> 目前网页 UI 仅支持**单卡训练**。
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### 单 GPU 训练
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> [!IMPORTANT]
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> 如果您使用多张 GPU 训练模型,请移步[多 GPU 分布式训练](#多-gpu-分布式训练)部分。
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#### 预训练
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```bash
CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage pt \
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--model_name_or_path path_to_llama_model \
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--do_train \
--dataset wiki_demo \
--finetuning_type lora \
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--lora_target q_proj,v_proj \
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--output_dir path_to_pt_checkpoint \
--overwrite_cache \
--per_device_train_batch_size 4 \
--gradient_accumulation_steps 4 \
--lr_scheduler_type cosine \
--logging_steps 10 \
--save_steps 1000 \
--learning_rate 5e-5 \
--num_train_epochs 3.0 \
--plot_loss \
--fp16
```
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#### 指令监督微调
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```bash
CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage sft \
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--model_name_or_path path_to_llama_model \
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--do_train \
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--dataset alpaca_gpt4_zh \
--template default \
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--finetuning_type lora \
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--lora_target q_proj,v_proj \
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--output_dir path_to_sft_checkpoint \
--overwrite_cache \
--per_device_train_batch_size 4 \
--gradient_accumulation_steps 4 \
--lr_scheduler_type cosine \
--logging_steps 10 \
--save_steps 1000 \
--learning_rate 5e-5 \
--num_train_epochs 3.0 \
--plot_loss \
--fp16
```
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#### 奖励模型训练
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```bash
CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage rm \
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--model_name_or_path path_to_llama_model \
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--do_train \
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--dataset comparison_gpt4_zh \
--template default \
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--finetuning_type lora \
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--lora_target q_proj,v_proj \
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--resume_lora_training False \
--checkpoint_dir path_to_sft_checkpoint \
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--output_dir path_to_rm_checkpoint \
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--per_device_train_batch_size 2 \
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--gradient_accumulation_steps 4 \
--lr_scheduler_type cosine \
--logging_steps 10 \
--save_steps 1000 \
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--learning_rate 1e-6 \
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--num_train_epochs 1.0 \
--plot_loss \
--fp16
```
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#### PPO 训练
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```bash
CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage ppo \
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--model_name_or_path path_to_llama_model \
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--do_train \
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--dataset alpaca_gpt4_zh \
--template default \
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--finetuning_type lora \
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--lora_target q_proj,v_proj \
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--resume_lora_training False \
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--checkpoint_dir path_to_sft_checkpoint \
--reward_model path_to_rm_checkpoint \
--output_dir path_to_ppo_checkpoint \
--per_device_train_batch_size 2 \
--gradient_accumulation_steps 4 \
--lr_scheduler_type cosine \
--logging_steps 10 \
--save_steps 1000 \
--learning_rate 1e-5 \
--num_train_epochs 1.0 \
--plot_loss
```
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#### DPO 训练
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```bash
CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage dpo \
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--model_name_or_path path_to_llama_model \
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--do_train \
--dataset comparison_gpt4_zh \
--template default \
--finetuning_type lora \
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--lora_target q_proj,v_proj \
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--resume_lora_training False \
--checkpoint_dir path_to_sft_checkpoint \
--output_dir path_to_dpo_checkpoint \
--per_device_train_batch_size 2 \
--gradient_accumulation_steps 4 \
--lr_scheduler_type cosine \
--logging_steps 10 \
--save_steps 1000 \
--learning_rate 1e-5 \
--num_train_epochs 1.0 \
--plot_loss \
--fp16
```
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### 多 GPU 分布式训练
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#### 使用 Huggingface Accelerate
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```bash
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accelerate config # 首先配置分布式环境
accelerate launch src/train_bash.py # 参数同上
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```
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< details > < summary > LoRA 训练的 Accelerate 配置示例< / summary >
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```yaml
compute_environment: LOCAL_MACHINE
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distributed_type: MULTI_GPU
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downcast_bf16: 'no'
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gpu_ids: all
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machine_rank: 0
main_training_function: main
mixed_precision: fp16
num_machines: 1
num_processes: 4
rdzv_backend: static
same_network: true
tpu_env: []
tpu_use_cluster: false
tpu_use_sudo: false
use_cpu: false
```
< / details >
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#### 使用 DeepSpeed
```bash
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deepspeed --num_gpus 8 --master_port=9901 src/train_bash.py \
--deepspeed ds_config.json \
... # 参数同上
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```
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< details > < summary > 使用 DeepSpeed ZeRO-2 进行全参数训练的 DeepSpeed 配置示例< / summary >
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```json
{
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"train_batch_size": "auto",
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"train_micro_batch_size_per_gpu": "auto",
"gradient_accumulation_steps": "auto",
"gradient_clipping": "auto",
"zero_allow_untested_optimizer": true,
"fp16": {
"enabled": "auto",
"loss_scale": 0,
"initial_scale_power": 16,
"loss_scale_window": 1000,
"hysteresis": 2,
"min_loss_scale": 1
},
"zero_optimization": {
"stage": 2,
"allgather_partitions": true,
"allgather_bucket_size": 5e8,
"reduce_scatter": true,
"reduce_bucket_size": 5e8,
"overlap_comm": false,
"contiguous_gradients": true
}
}
```
< / details >
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### 导出微调后的模型
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```bash
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python src/export_model.py \
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--model_name_or_path path_to_llama_model \
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--template default \
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--finetuning_type lora \
--checkpoint_dir path_to_checkpoint \
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--output_dir path_to_export
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```
### API 服务
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```bash
python src/api_demo.py \
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--model_name_or_path path_to_llama_model \
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--template default \
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--finetuning_type lora \
--checkpoint_dir path_to_checkpoint
```
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> [!NOTE]
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> 关于 API 文档请见 `http://localhost:8000/docs`。
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### 命令行测试
```bash
python src/cli_demo.py \
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--model_name_or_path path_to_llama_model \
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--template default \
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--finetuning_type lora \
--checkpoint_dir path_to_checkpoint
```
### 浏览器测试
```bash
python src/web_demo.py \
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--model_name_or_path path_to_llama_model \
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--template default \
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--finetuning_type lora \
--checkpoint_dir path_to_checkpoint
```
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### 指标评估( BLEU 分数和汉语 ROUGE 分数)
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```bash
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CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage sft \
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--model_name_or_path path_to_llama_model \
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--do_eval \
--dataset alpaca_gpt4_zh \
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--template default \
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--finetuning_type lora \
--checkpoint_dir path_to_checkpoint \
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--output_dir path_to_eval_result \
--per_device_eval_batch_size 8 \
--max_samples 100 \
--predict_with_generate
```
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> [!NOTE]
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> 我们建议在量化模型的评估中使用 `--per_device_eval_batch_size=1` 和 `--max_target_length 128`。
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### 模型预测
```bash
CUDA_VISIBLE_DEVICES=0 python src/train_bash.py \
--stage sft \
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--model_name_or_path path_to_llama_model \
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--do_predict \
--dataset alpaca_gpt4_zh \
--template default \
--finetuning_type lora \
--checkpoint_dir path_to_checkpoint \
--output_dir path_to_predict_result \
--per_device_eval_batch_size 8 \
--max_samples 100 \
--predict_with_generate
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```
## 协议
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本仓库的代码依照 [Apache-2.0 ](LICENSE ) 协议开源。
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使用模型权重时,请遵循对应的模型协议:
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- [LLaMA ](https://github.com/facebookresearch/llama/blob/main/MODEL_CARD.md )
- [LLaMA-2 ](https://ai.meta.com/llama/license/ )
- [BLOOM ](https://huggingface.co/spaces/bigscience/license )
- [Falcon ](LICENSE )
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- [Baichuan ](https://huggingface.co/baichuan-inc/baichuan-7B/resolve/main/baichuan-7B%20%E6%A8%A1%E5%9E%8B%E8%AE%B8%E5%8F%AF%E5%8D%8F%E8%AE%AE.pdf )
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- [Baichuan2 ](https://huggingface.co/baichuan-inc/Baichuan2-7B-Base/resolve/main/Baichuan%202%E6%A8%A1%E5%9E%8B%E7%A4%BE%E5%8C%BA%E8%AE%B8%E5%8F%AF%E5%8D%8F%E8%AE%AE.pdf )
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- [InternLM ](https://github.com/InternLM/InternLM#open-source-license )
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- [Qwen ](https://huggingface.co/Qwen/Qwen-7B-Chat/blob/main/LICENSE )
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- [XVERSE ](https://github.com/xverse-ai/XVERSE-13B/blob/main/MODEL_LICENSE.pdf )
- [ChatGLM2 ](https://github.com/THUDM/ChatGLM2-6B/blob/main/MODEL_LICENSE )
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## 引用
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如果您觉得此项目有帮助,请考虑以下列格式引用
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```bibtex
@Misc {llama-efficient-tuning,
title = {LLaMA Efficient Tuning},
author = {hiyouga},
howpublished = {\url{https://github.com/hiyouga/LLaMA-Efficient-Tuning}},
year = {2023}
}
```
## 致谢
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本项目受益于 [PEFT ](https://github.com/huggingface/peft )、[QLoRA](https://github.com/artidoro/qlora)、[FastChat](https://github.com/lm-sys/FastChat) 和 [OpenChatKit ](https://github.com/togethercomputer/OpenChatKit ),感谢以上诸位作者的付出。
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## Star History
![Star History Chart ](https://api.star-history.com/svg?repos=hiyouga/LLaMA-Efficient-Tuning&type=Date )