/ray

A high-performance distributed execution engine

Primary LanguagePythonApache License 2.0Apache-2.0

Ray

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Ray is a flexible, high-performance distributed execution framework.

Ray comes with libraries that accelerate deep learning and reinforcement learning development:

  • Ray Tune: Hyperparameter Optimization Framework
  • Ray RLlib: A Scalable Reinforcement Learning Library

Installation

  • Ray can be installed on Linux and Mac with pip install ray.
  • To build Ray from source, see the instructions for Ubuntu and Mac.

Example Program

Basic Python Distributed with Ray
import time





def f():
    time.sleep(1)
    return 1

# Execute f serially.
results = [f() for i in range(4)]
import time
import ray

ray.init()

@ray.remote
def f():
    time.sleep(1)
    return 1

# Execute f in parallel.
object_ids = [f.remote() for i in range(4)]
results = ray.get(object_ids)

More Information

Getting Involved