vllm/docs/source/getting_started/installation.rst
2023-06-19 20:03:40 -07:00

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.. _installation:
Installation
============
vLLM is a Python library that also contains some C++ and CUDA code.
This additional code requires compilation on the user's machine.
Requirements
------------
* OS: Linux
* Python: 3.8 or higher
* CUDA: 11.0 -- 11.8
* GPU: compute capability 7.0 or higher (e.g., V100, T4, RTX20xx, A100, L4, etc.)
.. note::
As of now, vLLM does not support CUDA 12.
If you are using Hopper or Lovelace GPUs, please use CUDA 11.8 instead of CUDA 12.
.. tip::
If you have trouble installing vLLM, we recommend using the NVIDIA PyTorch Docker image.
.. code-block:: console
$ # Pull the Docker image with CUDA 11.8.
$ docker run --gpus all -it --rm --shm-size=8g nvcr.io/nvidia/pytorch:22.12-py3
Inside the Docker container, please execute :code:`pip uninstall torch` before installing vLLM.
Install with pip
----------------
You can install vLLM using pip:
.. code-block:: console
$ # (Optional) Create a new conda environment.
$ conda create -n myenv python=3.8 -y
$ conda activate myenv
$ # Install vLLM.
$ pip install vllm # This may take 5-10 minutes.
.. _build_from_source:
Build from source
-----------------
You can also build and install vLLM from source:
.. code-block:: console
$ git clone https://github.com/vllm-project/vllm.git
$ cd vllm
$ pip install -e . # This may take 5-10 minutes.