// the benchmark.
	var wg sync.WaitGroup
	garbageAll := make([][]*Timer, runtime.GOMAXPROCS(0))
	for i := range garbageAll {
		wg.Add(1)
		go func(i int) {
			defer wg.Done()
			garbage := make([]*Timer, 1<<15)
			for j := range garbage {
				garbage[j] = AfterFunc(Hour, nil)
			}
			garbageAll[i] = garbage
		}(i)
	}
	wg.Wait()

	b.ResetTimer()