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# 昇腾910架构基于mindformers推理Qwen-7B-Chat模型
## 环境要求
- 硬件: Ascend 910A/B
## 运行步骤
首先参考Qwen README下载官方模型到`/path/to/Qwen-7B-Chat`。
### 下载并启动镜像
```bash
docker pull qwenllm/qwen-mindspore:latest
cd /path/to/Qwen/ascend-support
# 下载模型到此处
CHECKPOINT_PATH = /path/to/Qwen-7B-Chat
cd ascend-support
# 启动docker容器
bash docker_qwen.sh -c ${ CHECKPOINT_PATH }
```
### 执行权重转换
在容器内执行下面的命令, 将Qwen模型转换为适配`mindformers`的格式:
```bash
python3 /data/qwen/mindformers/research/qwen/convert_weight.py
```
转换后模型的输出位置为`${CHECKPOINT_PATH}/qwen-7b-chat.ckpt`。
### 执行推理
在容器内执行下面的命令,进行推理:
```bash
cd /data/qwen/mindformers/research/qwen
export PYTHONPATH = /data/qwen/mindformers:$PYTHONPATH
python3 infer_qwen.py
```