Cpu Scheduling Galvin

CPU SCHEDULING SONALI CHAUHAN SYBSc IT 2008-09 UDIT

BASIC CONCEPTS ,[object Object],[object Object],[object Object]

CPU-I/O BURST CYCLE ,[object Object],[object Object],[object Object]

CPU SCHEDULER ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

[object Object],[object Object],[object Object],[object Object],CONT…

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT…

DISPATCHER ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SCHEDULING CRITERIA ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]

SCHEDULING ALGORITHM ,[object Object],[object Object],[object Object],[object Object]

FIRST COME FIRST SERVED SCHEDULING

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT… First come, First served… P 1 P 2 P 3 24 27 30 0

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT… First come, First served… P 1 P 3 P 2 6 3 30 0

CONT… SHORTEST-JOB-FIRST SCHEDULING

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT… SHORTEST-JOB-FIRST

CONT… SHORTEST-JOB-FIRST… ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],Example of Non-Preemptive SJF P 1 P 3 P 2 7 3 16 0 P 4 8 12

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT… SHORTEST-JOB-FIRST… Example of Preemptive SJF P 1 P 3 P 2 4 2 11 0 P 4 5 7 P 2 P 1 16

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT… PRIORITY…

[object Object],[object Object],[object Object],[object Object],[object Object],CONT… ROUND-ROBIN…

[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],CONT… ROUND-ROBIN… P 1 P 2 P 3 P 1 P 1 P 1 P 1 P 1 0 4 7 10 14 18 22 26 30

Cpu Scheduling Galvin

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