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# Yi-1.5-6B

## 论文

`Yi: Open Foundation Models by 01.AI`

- [https://arxiv.org/abs/2403.04652]

## 算法原理

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Yi-1.5是一个 decoder-only 的 transformer 模型,使用 SwiGLU激活函数、GQA、RoPE等是Yi的升级版本,它在Yi的基础上进行了持续预训练,使用了500B(即500十亿)个高质量语料库的token,并且在300万个多样化的微调样本上进行了微调。与Yi相比,Yi-1.5在编程、数学、推理和指令遵循能力方面表现更强,同时仍然保持了在语言理解、常识推理和阅读理解方面的卓越能力。
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<div align=center>
    <img src="./doc/model_accuracy.png"/>
</div>
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## 环境配置

### Docker(方法一)

此处提供[光源](https://www.sourcefind.cn/#/service-details)拉取 docker 镜像的地址与使用步骤

```
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docker pull image.sourcefind.cn:5000/dcu/admin/base/pytorch:2.1.0-py3.10-dtk24.04.3-ubuntu20.04
docker run -it --shm-size=1024G -v <Host Path>:<Container Path> -v /opt/hyhal:/opt/hyhal --privileged=true --device=/dev/kfd --device=/dev/dri/ --group-add video --name Yi-1.5  <your IMAGE ID> bash  # <your IMAGE ID>为以上拉取的docker的镜像ID替换
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cd /home/Yi-1.5-pytorch
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pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/  --trusted-host mirrors.aliyun.com
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pip uninstall vllm
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```

### Dockerfile(方法二)

此处提供 dockerfile 的使用方法

```
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docker build  -t yi-1.5-df:latest .
docker run -it --shm-size=1024G -v <Host Path>:<Container Path> -v /opt/hyhal:/opt/hyhal --privileged=true --device=/dev/kfd --device=/dev/dri/ --group-add video --name yi-1.5  yi-1.5-df  bash
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pip install -r requirements.txt -i https://mirrors.aliyun.com/pypi/simple/  --trusted-host mirrors.aliyun.com
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pip uninstall vllm
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```

### Anaconda(方法三)

此处提供本地配置、编译的详细步骤,例如:

关于本项目 DCU 显卡所需的特殊深度学习库可从[光合](https://developer.hpccube.com/tool/)开发者社区下载安装。

```
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DTK驱动:dtk24.04.3
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python:python3.10
torch: 2.1.0
torchvision: 0.16.0
deepspeed:0.12.3
bitsandbytes: 0.42.0
triton:2.1.0
```

`Tips:以上dtk驱动、python、paddle等DCU相关工具版本需要严格一一对应`

其它非深度学习库参照 requirements.txt 安装:

```
pip install -r requirements.txt
```

## 数据集
使用alpaca_en.json数据集,已经包含在data目录中,具体文件为alpaca_en_demo.json
项目中已提供用于试验训练的迷你数据集,训练数据目录结构如下,用于正常训练的完整数据集请按此目录结构进行制备:

```
 ── data
    ├── alpaca_en_demo.json.json
    └── alpaca_zh_demo.json.json
```
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## 模型下载
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预训练权重下载中心: [huggingface](https://huggingface.co/01-ai/Yi-1.5-6B-Chat)
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快速下载通道: [AiModels](http://113.200.138.88:18080/aimodels/01-ai/Yi-1.5-6B-Chat)
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模型目录结构如下:
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<div align=center>
    <img src="./doc/model.png"/>
</div>
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## 训练

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根据实际路径修改模型路径和数据集路径
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### 单机单卡

```
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cd finetune
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sh single_node.sh
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```
### 单机多卡

```
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cd finetune
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sh multi_node.sh
```


## 推理

```
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cd inference
sh 6B_single_dcu.sh
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```

## result

使用的加速卡:2张 DCU-K100-64G

<div align=center>
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    <img src="./result/inf_result.png"/>
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</div>

### 精度
测试数据:[alpaca_en_demo.json],使用的加速卡:K100-64G,2卡训练。

根据测试结果情况填写表格:
| device | train_loss | 
| :------: | :------: | 
| DCU-K100 | 0.7647 | 
| GPU-A800 | 0.7651 | 


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## 应用场景
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### 算法类别

对话问答

### 热点应用行业

`科研,教育,政府,金融`

## 源码仓库及问题反馈

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- https://developer.hpccube.com/codes/modelzoo/yi_1.5_6b_pytorch
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## 参考资料

- https://github.com/hiyouga/LLaMA-Factory/tree/main
- https://github.com/01-ai/Yi-1.5
- (https://huggingface.co/01-ai)