Introduction - If you have any usage issues, please Google them yourself
Based on a virtual memory storage area and work area, the following algorithm design and calculate the hit rate. 1, the best replacement algorithm (OPT) 2, FIFO method (FIFO) 3, the most recent time the use of the algorithm (LRU) 4, simple clock (clock) algorithm (CLOCK) hit rate = 1- the number of page faults/page address stream (sequence) length