Parallel execution in Go

parallel.go

package main

import fmt "fmt"
import runtime "runtime"

func parallel(f ... func()) {
  c := make(chan int, len(f))
  for i := 0; i < len(f); i++ {
    f := f[i]
    go func() {
      f()
      c <- 0
    }()
  }
  for i := 0; i < len(f); i++ {
    <- c
  }
}

func run1() {
  for i := 1; i < 1000 ; i++ {
    fmt.Printf("run1 %v\n", i)
  }
}

func run2() {
  for i := 1; i < 1000 ; i++ {
    fmt.Printf("run2 %v\n", i)
  }
}

func main() {
  runtime.GOMAXPROCS(3)
  parallel(run1, run2)
  fmt.Println("Finished")
}