Go Concurrency Patterns

Golang concurrency patterns from Rob Pike Google I/O 2012.

Concurrency is NOT parallelism

Concurrency is not parallelism, although it enables parallelism. See golang.org/s/concurrency-is-not-parallelism

Distinction

Go is the latest on the Newsqueak-Alef-Limbo branch, distinguished by first-class channels.

Main Points

Point	Files
Goroutine basics	goroutine1 goroutine2
Channel basics	channel1.go channel2.go
Generator and multiplexing	generator2.go generator3.go generator4.go
Channel chain	daisychain.go
Select basics	select1.go select2 select3.go select4.go
Concurrent Requests	google1.go google2 google3 google4

Resouces

• https://www.youtube.com/watch?v=f6kdp27TYZs
• https://talks.golang.org/2012/concurrency.slide
• http://golang.org/s/concurrency-is-not-parallelism