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# <div align="center"><strong>MMCV</strong></div>
## 简介
MMCV是计算机视觉研究的基础库,主要提供以下功能:图像处理、图像和标注结果可视化、图像转换、多种CNN网络结构、高质量实现的常见CUDA算子。MMCV官方github地址:[https://github.com/open-mmlab/mmcv](https://github.com/open-mmlab/mmcv)
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## 安装
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### 使用pip方式安装
mmcv whl包下载目录:[https://cancon.hpccube.com:65024/4/main/mmcv/dtk23.04](https://cancon.hpccube.com:65024/4/main/mmcv/dtk23.04),选择对应的pytorch版本和python版本下载对应mmcv的whl包
```shell
pip install mmcv* (下载的mmcv的whl包)
```
### 使用源码编译方式安装
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#### 编译环境准备
提供2种环境准备方式:
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1. 基于光源pytorch基础镜像环境:镜像下载地址:[https://sourcefind.cn/#/image/dcu/pytorch](https://sourcefind.cn/#/image/dcu/pytorch),根据pytorch、python、dtk及系统下载对应的镜像版本。
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2. 基于现有python环境:安装pytorch,pytorch whl包下载目录:[https://cancon.hpccube.com:65024/4/main/pytorch/dtk23.04](https://cancon.hpccube.com:65024/4/main/pytorch/dtk23.04),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)
pip install setuptools==59.5.0 wheel
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```

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#### 源码编译安装
- 代码下载
```shell
git clone https://developer.hpccube.com/codes/aicomponent/mmcv # 根据编译需要切换分支
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```
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- 提供2种源码编译方式(进入mmcv目录):
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```
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1. 编译whl包并安装
MMCV_WITH_OPS=1 ROCM_HOME=${ROCM_PATH} python3 setup.py -v bdist_wheel
pip install dist/mmcv*
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2. 源码编译安装
MMCV_WITH_OPS=1 ROCM_HOME=${ROCM_PATH} python3 setup.py install
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```

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## 版本号查询
- python -c "import mmcv; mmcv.\_\_version__",版本号与官方版本同步,查询该软件的版本号,例如2.0.0;
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## Known Issue
-
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## Note
+ 若使用pip install下载安装过慢,可添加pypi清华源:-i https://pypi.tuna.tsinghua.edu.cn/simple/
+ ROCM_PATH为dtk的路径,默认为/opt/dtk
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## 其他参考
- [README_ORIGIN](README_ORIGIN.md)
- [README_zh-CN](README_zh-CN.md)