1) 通过随机数产生一个指令序列，共320条指令

2) 将指令序列变换成页地址流

3) 计算并输出下述各种算法在不同内存容量下的命中率。

① 先进先出的算法（FIFO）；

② 最近最少使用算法（LRU）；

③ 最佳淘汰算法（OPT）；-1) by a random number to generate a sequence of instructions, a total of 320 instructions) instruction sequence is converted into the page address stream 3) Calculate and output the following various algorithms hit rate under different memory capacity. ① The algorithm of the first-in, first-out (FIFO)　② The least recently used algorithm (LRU)　③ The best out algorithm (OPT)