Overview

Ray 2.7, released on October 15, 2023, introduces Accelerated DAG for low-latency inter-task communication.

Main Features

Accelerated DAG optimize data passing between actors using shared memory, significantly reducing latency.

python 
import ray

@ray.remote
class Worker:
    def process(self, data):
        return data * 2

ray.init()
w = Worker.remote()
print(ray.get(w.process.remote(21)))  # 42

Sources