Features in Bullets:
Data flows left to right. Each stage reads input, does its work, writes output. There's no pipe reader to acquire, no controller lock to manage. If a downstream stage is slow, upstream stages naturally slow down as well. Backpressure is implicit in the model, not a separate mechanism to learn (or ignore).
，更多细节参见雷电模拟器官方版本下载
Reading English from 1000 AD
void insertionSort(int arr[], int n) {