Installation on Mac OS X

Ray should work with Python 2 and Python 3. We have tested Ray on OS X 10.11 and 10.12.


To install Ray, first install the following dependencies. We recommend using Anaconda.

brew update
brew install cmake automake autoconf libtool boost wget

pip install numpy cloudpickle funcsigs colorama psutil redis flatbuffers --ignore-installed six

If you are using Anaconda, you may also need to run the following.

conda install libgcc

Install Ray

Ray can be built from the repository as follows.

git clone
cd ray/python
python install --user

Test if the installation succeeded

To test if the installation was successful, try running some tests. This assumes that you’ve cloned the git repository.

python test/