Ray目前相当热的分布式，高性能计算平台工具。通过其早期的1.x版本的白皮书可以很好的理解Ray一开始的架构设计，便于深入理解Ray这个框架。
目前Ray版本最新版本为2.2。
Ray 1.x Architecture (old)
Ray Team, September 2020
Ray v2.0 has been released! Please view the updated whitepaper here.
This document is public; please use "Viewing" mode to avoid accidental comments.
The goal of this document is to motivate and overview the design of the Ray distributed system (version 1.0+). It is meant as a handbook for:
Ray users with low-level system quest
