[理工] [ OS ] page replacement policy
Q:
一 page string
長度 P
其中含 N個相異page numbers
對任何page-replacement policy,
最少的page fault 次數?
最多的page fault 次數?
答案是
最少:N個
最多:P個
請問最多要怎麼湊出來啊?
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推
01/24 00:20, , 1F
01/24 00:20, 1F
推
01/24 00:23, , 2F
01/24 00:23, 2F
推
01/24 00:24, , 3F
01/24 00:24, 3F
→
01/24 00:30, , 4F
01/24 00:30, 4F
→
01/24 00:37, , 5F
01/24 00:37, 5F
→
01/24 00:42, , 6F
01/24 00:42, 6F
→
01/24 00:42, , 7F
01/24 00:42, 7F
→
01/24 00:42, , 8F
01/24 00:42, 8F
推
01/24 19:36, , 9F
01/24 19:36, 9F
→
01/24 22:59, , 10F
01/24 22:59, 10F
→
09/11 14:10, , 11F
09/11 14:10, 11F