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Installation

Prerequisites

Python 3.6+
PyTorch 1.6+
CUDA 9.2+
GCC 5.4+

Prepare the Environment

Use conda and activate the environment:

conda create -n open-mmlab python=3.7 -y
conda activate open-mmlab

Install PyTorch

Before installing MMEngine, please make sure that PyTorch has been successfully installed in the environment. You can refer to PyTorch official installation documentation. Verify the installation with the following command:
```
python -c 'import torch;print(torch.__version__)'
```

Install MMEngine

Install with mim

mim is a package management tool for OpenMMLab projects, which can be used to install the OpenMMLab project easily.

pip install -U openmim
mim install mmengine

Install with pip

pip install mmengine

Use docker images

Build the image

docker build -t mmengine https://github.com/open-mmlab/mmengine.git#main:docker/release

More information can be referred from mmengine/docker.

Run the image

docker run --gpus all --shm-size=8g -it mmengine

Build from source

# if cloning speed is too slow, you can switch the source to https://gitee.com/open-mmlab/mmengine.git
git clone https://github.com/open-mmlab/mmengine.git
cd mmengine
pip install -e . -v

Verify the Installation

To verify if MMEngine and the necessary environment are successfully installed, we can run this command:

python -c 'import mmengine;print(mmengine.__version__)'

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