source: benchmark/schedext/goroutine.go @ ed1a7ab8

package main

import (
        "fmt"
        "time"
        "os"
        "strconv"
)

func main() {
        shake := make( chan bool )
        ch := make( chan int )

        acceptor := func(times int) {
                var v int
                v += 1 // need usage
                for i := 0; i < times; i += 1 {
                        select {
                                case v = <- ch :
                        }
                }
                shake <- true   // indicate completion
        }

        var times int = 10000000
        if len( os.Args ) > 2 { os.Exit( 1 ) }
        if len( os.Args ) == 2 { times, _ = strconv.Atoi(os.Args[1]) }

        go acceptor( times )
        start := time.Now()
        for i := 0; i < times; i += 1 {
                ch <- 1
        }
        end := time.Now()
        fmt.Printf("%d\n", end.Sub(start) / time.Duration(times))
        <- shake
}

// Local Variables: //
// tab-width: 4 //
// compile-command: "go run goroutine.go" //
// End: //