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# <div align="center"><strong>PyTorch Cluster</strong></div>
## 简介
PyTorch Cluster由一个高度优化的图聚类算法的小型扩展库组成,用于PyTorch。PyTorch Cluster官方github地址:[https://github.com/rusty1s/pytorch_cluster](https://github.com/rusty1s/pytorch_cluster)

## 安装

### 使用pip方式安装
pytorch-cluster whl包下载目录:[http://10.6.10.68:8000/customized/torch-cluster/dtk2310](http://10.6.10.68:8000/customized/torch-cluster/dtk2310),目前只提供有python3.8版本的whl包。
```shell
pip install torch_cluster* (下载的torch_cluster的whl包)
```
### 使用源码编译方式安装

#### 编译环境准备
- 安装相关依赖
```shell
pip install numpy
pip install 'urllib3==1.26.14' 
pip install pytest
pip install wheel 
```
- 在首页 | 光合开发者社区下载 dtk23.10 解压至 /opt/ 路径下,并建立软链接
```shell
cd /opt && ln -s dtk-23.10 dtk
source /opt/dtk/env.sh
```
- 安装pytorch,pytorch whl包下载目录:[http://10.6.10.68:8000/debug/pytorch/dtk23.10/hipify/](http://10.6.10.68:8000/debug/pytorch/dtk23.10/hipify/),根据python、dtk版本,下载对应pytorch的whl包。安装命令如下:
```shell
pip install torch* (下载的torch的whl包)
```
#### 源码编译安装
```shell
git clone -b 1.6.0-release http://developer.hpccube.com/codes/aicomponent/torch-cluster.git
python pymap_script.py /path/to/pytorch_cluster
cd pytorch_cluster
python setup.py bdist_wheel
pip install dist/*.whl
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```
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## 单测
```shell
cd pytorch_cluster
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pytest
```
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## Known Issue
完成安装进行单测时,会报错ImportError: Could not find module '_version_cpu' ~,在根目录/下查找一下,然后把库文件目录添加一下软链接即可。
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```
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find / -name "_version_cpu.so"
cd /pytorch_cluster/torch_cluster
ln -s /usr/local/lib/python3.8/site-packages/torch_cluster/* .
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```

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## 参考资料
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https://github.com/rusty1s/pytorch_cluster