- PyTorch >= 1.11 (PyTorch 2.x in progress)
- Python >= 3.7
- CUDA >= 11.0
If you encounter any problem about installation, you may want to raise an issue in this repository.
Download From PyPI
You can install Colossal-AI with
pip install colossalai
Note: only Linux is supported for now
If you want to build PyTorch extensions during installation, you can use the command below. Otherwise, the PyTorch extensions will be built during runtime.
CUDA_EXT=1 pip install colossalai
Download From Source
The version of Colossal-AI will be in line with the main branch of the repository. Feel free to raise an issue if you encounter any problem. :)
git clone https://github.com/hpcaitech/ColossalAI.git
# install dependency
pip install -r requirements/requirements.txt
# install colossalai
pip install .
If you don't want to install and enable CUDA kernel fusion (compulsory installation when using fused optimizer):
CUDA_EXT=1 pip install .