Concurrency model
A concurrency model is a set of abstractions and rules for representing, coordinating, scheduling, and executing computations that can progress concurrently.
Elixir in Action, Third Edition
A concurrency model is the set of abstractions and rules a programming language uses to represent and coordinate simultaneous computation.
- How it is used
- Uses lightweight isolated processes to preserve responsiveness, scalability, fault tolerance, and availability under concurrent workloads.
- How deep it goes
- Explains process isolation, parallelism, VM scheduling, preemption, and operating-system structure, while stopping short of detailed messaging mechanics.
- Examples
- Uses request handlers, background jobs, live updates, and per-player or per-session processes in an online multiplayer game.
- What you can do after
- Evaluate/understand how BEAM processes distribute work and contain failures in highly concurrent server systems.
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Go in Action, Second Edition
A concurrency model is the set of language abstractions and rules governing the execution and coordination of multiple computations.
- How it is used
- Frames Go’s approach to coordinating concurrent work in responsive, scalable applications.
- How deep it goes
- Explains CSP roots, goroutines, channels, synchronization, cancellation, patterns, and design cautions without descending into scheduler internals.
- Examples
- Uses simultaneous chores, goroutines, channels, worker pools, pipelines, fan-in/fan-out, and select-based event loops.
- What you can do after
- Apply it via goroutines, channels, synchronization tools, and context.Context to build and control concurrent workloads.
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Related concepts
- Goimplemented by · Go is a statically typed, compiled, garbage-collected programming language with built-in support for concurrency.
- goroutineuses · A goroutine is a lightweight function execution unit managed by the Go runtime that runs concurrently with other program activity.
- channeluses · A channel is a medium, mechanism, or pathway through which information or messages are conveyed between participants or endpoints.
- communicating sequential processincludes · Communicating Sequential Processes is a formal concurrency model in which independent sequential processes communicate through channels by exchanging messages.
- workflowuses · A workflow is an organized sequence of coordinated activities, tasks, or decisions through which work progresses toward an outcome.
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