[理工] [OS]成大99-電通甲

[aerystyle (阿che)]

process     arrival time        burst time      priority
   P1           0                   10             3
   P2           1                    1             1
   P3           2                    2             3
   P4           3                    1             4
   P5           4                    5             2


使用FCFS、SJF、nonpreemptive priority(a small priority implies higher priority)
    RR(quantum = 3)、SRJF(自己外加)

1.求每個scheduling的 turnaround time?

2.求每個scheduling的 waiting time?


下面是我自己求的答案不知道是否有誤
1.FCFS:57
  SJF :56
  SRJF:30
  RR  :41

2.FCFS:38
  SJF :37
  SRJF:11
  RR  :22

nonpreemptive priority 不確定是否在此CASE與FCFS相同

謝謝各位的幫忙

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→ aerystyle:nonpreemptive priority的部分有解嗎?