# MindSpore Flow Installation

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## System Environment Information Confirmation

- The hardware platform should be Ascend, GPU.
- See our [MindSpore Installation Guide](https://www.mindspore.cn/install/en) to install MindSpore.
- All other dependencies are included in [requirements.txt](https://gitee.com/mindspore/mindscience/blob/r0.7/MindFlow/requirements.txt).
- MindSpore Flow requires MindSpore version >=2.5.0, and Python version requires >=3.9.

## Installation

You can install MindSpore Flow either by pip or by source code.

### Installation by pip

```bash
# gpu and ascend are supported
export DEVICE_NAME=gpu
pip install mindflow_${DEVICE_NAME}
```

### Installation by Source Code

1. Download source code from Gitee.

   ```bash
   git clone -b r0.7 https://gitee.com/mindspore/mindscience.git
   cd {PATH}/mindscience/MindFlow
   ```

2. Compile in Ascend backend.

   ```bash
   bash build.sh -e ascend -j8
   ```

3. Compile in GPU backend.

   ```bash
   export CUDA_PATH={your_cuda_path}
   bash build.sh -e GPU -j8
   ```

4. Install the compiled .whl file.

   ```bash
   cd {PATH}/mindscience/MindFLow/output
   pip install mindflow_*.whl
   ```

## Installation Verification

Successfully installed, if there is no error message such as `No module named 'mindflow'` when execute the following command:

```bash
python -c 'import mindflow'
```