type Empty struct{}
	myc := make(chan Empty, runtime.GOMAXPROCS(0))
	b.RunParallel(func(pb *testing.PB) {
		for pb.Next() {
			myc <- Empty{}
			<-myc
		}
	})
}

func BenchmarkChanPopular(b *testing.B) {
	const n = 1000
	c := make(chan bool)
	var a []chan bool
	var wg sync.WaitGroup
	wg.Add(n)
	for j := 0; j < n; j++ {
		d := make(chan bool)
		a = append(a, d)