This page links to resources for learning about concurrency in Go. The items are presented in order, from beginner material to advanced topics.

Beginner

• Read Effective Go: Concurrency
• Study The Go Programming Language Specification, especially
  • Go statements
  • Channel types
  • Send statements
  • Receive operator
  • Select statements
• Code A Tour of Go: Concurrency
• Read Fundamentals of Concurrency
• Read Mutexes and Semaphores Demystified
• Read the Frequently Asked Questions (FAQ), especially
  • Why build concurrency on the ideas of CSP?
  • Why goroutines instead of threads?
  • Why are map operations not defined to be atomic?
  • What operations are atomic? What about mutexes?
  • Why doesn't my multi-goroutine program use multiple CPUs?
  • Why does using GOMAXPROCS > 1 sometimes make my program slower?
  • What happens with closures running as goroutines?
• Study Go by Example from goroutines through stateful goroutines

Intermediate

• Watch Go Concurrency Patterns
• Read Share Memory By Communicating and do the codewalk
• Read Go Concurrency Patterns: Timing out, moving on
• Watch Concurrency is not Parallelism
• Read Go Concurrency Patterns: Pipelines and Cancellation
• Study Package sync
• Read Introducing the Go Race Detector
• Watch Go: code that grows with grace

Advanced

• Watch Advanced Go Concurrency Patterns
• Read Go Concurrency Patterns: Context
• Study The Go Memory Model
• Study Package atomic
• Read Principles of Designing Go APIs with Channels