Requirments pip install mpi4py pip install pybind11 Exmple1 -- python with c++: python setup.py install cd examples bash test1.sh Example2 -- blocking nccl: cd examples bash pynccl_test1.sh Example3 -- nonblocking nccl: cd examples bash pynccl_test2.sh Example4 -- nonblocking nccl + controler fault torlerance: cd src/controller python controller.py python worker.py python worker.py