# Installation on Mac OS X Ray should work with Python 2 and Python 3. We have tested Ray on OS X 10.11. ## Dependencies To install Ray, first install the following dependencies. We recommend using [Anaconda](https://www.continuum.io/downloads). ``` brew update brew install cmake automake autoconf libtool boost sudo easy_install pip # If you're using Anaconda, then this is unnecessary. pip install numpy funcsigs colorama psutil redis --ignore-installed six pip install --upgrade git+git://github.com/cloudpipe/cloudpickle.git@0d225a4695f1f65ae1cbb2e0bbc145e10167cce4 # We use the latest version of cloudpickle because it can serialize named tuples. pip install --upgrade --verbose git+git://github.com/ray-project/numbuf.git@d1974afbab9f0f1bcf8af15a8c476d868ad31aff ``` # Install Ray Ray can be installed with pip as follows. ``` pip install --upgrade --verbose "git+git://github.com/ray-project/ray.git#egg=ray&subdirectory=lib/python" ``` Alternatively, Ray can be built from the repository as follows. ``` git clone https://github.com/ray-project/ray.git cd lib/python python setup.py install ``` ## 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/runtest.py ```