workerpool

Vardius - worker-pool

Go simple async worker pool.

ABOUT

Contributors:

• Rafał Lorenz

Want to contribute ? Feel free to send pull requests!

Have problems, bugs, feature ideas? We are using the github issue tracker to manage them.

HOW TO USE

1. GoDoc

Benchmark

CPU: 3,3 GHz Intel Core i7

RAM: 16 GB 2133 MHz LPDDR3

➜  worker-pool git:(master) ✗ go test -bench=. -cpu=4
BenchmarkWorker-4        1000000              1853 ns/op
PASS

Basic example

package main

import (
    "fmt"
    "sync"

    "github.com/vardius/worker-pool"
)

func main() {
	var wg sync.WaitGroup

	poolSize := 1
	jobsAmount := 3
	workersAmount := 2

	// create new pool
	pool := workerpool.New(poolSize)
	out := make(chan int, jobsAmount)

	pool.Start(workersAmount, func(i int) {
		defer wg.Done()
		out <- i
	})

	wg.Add(jobsAmount)

	for i := 0; i < jobsAmount; i++ {
		pool.Delegate(i)
	}

	go func() {
		// stop all workers after jobs are done
		wg.Wait()
		close(out)
		pool.Stop()
	}()

	sum := 0
	for n := range out {
		sum += n
	}

	fmt.Println(sum)
	// Output:
	// 3
}

License

This package is released under the MIT license. See the complete license in the package:

LICENSE