V2EX actor model

Actor Model

释义 Definition

Actor model(演员模型):一种用于描述并发与分布式计算的理论/架构模型。在该模型中,actor(参与者)是基本计算单元;它们通过异步消息进行通信。每个 actor 收到消息后可以:
1)发送消息给其他 actor;2)创建新的 actor;3)改变自身的行为/状态(通常以“下一步行为”来体现)。
(该术语也常译作“参与者模型”。)

发音 Pronunciation (IPA)

/k.t mdl/
/k.t md.l/

例句 Examples

Actor model systems communicate primarily through asynchronous messages rather than shared memory.
Actor model 系统主要通过异步消息而不是共享内存来通信。

By using the actor model, the team built a fault-tolerant service where each component could restart independently without blocking the whole system.
通过采用 actor model,团队构建了一个具备容错能力的服务:每个组件都能独立重启,而不会阻塞整个系统。

词源 Etymology

actor 源自拉丁语 actor(“行动者、执行者”),强调“做事的主体”;model 源自拉丁语 modulus(“尺度、型”)引申为“抽象框架”。作为并发计算术语的 Actor Model 通常追溯到 Carl Hewitt 等人在 20 世纪 70 年代提出的研究,用来刻画以消息驱动、可扩展的并发与分布式计算方式。

相关词 Related Words

文学与著作中的用例 Literary Works

  • Carl Hewitt, Peter Bishop, Richard Steiger(1973)《A Universal Modular Actor Formalism for Artificial Intelligence》
  • Gul Agha(1986)《Actors: A Model of Concurrent Computation in Distributed Systems》
  • Joe Armstrong(常见版本 2007/2013)《Programming Erlang》
  • Martin Kleppmann(2017)《Designing Data-Intensive Applications》(讨论并发/分布式范式时提及 actor model)
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