Operating Systems
COMP 3430 Guderian
Copyright By Assignmentchef assignmentchef
Scheduling
Lets start with non-preemptive schedulers
What workloads make sense
Which makes more sense?
Are there workloads that make more or less sense What kind of workloads exist?
What problems exist with
Shortest Time-to-Completion First (STCF)
What problems exist with
Shortest Time-to-Completion First (STCF) Is it fair?
What problems exist with
Shortest Time-to-Completion First (STCF)
Is it fair?
Still getting queued!
What problems exist with
Shortest Time-to-Completion First (STCF)
Is it fair?
Still getting queued!
What workloads could this make sense for?
Does Round-robin solve everything?
Does Round-robin solve everything?
Is it fair?
Does Round-robin solve everything?
Is it fair?
What kind of workloads would be appropriate?
We may have discussed this what should we do with I/O?
We may have discussed this what should we do with I/O?
Queue it somewhere else!
We may have discussed this what should we do with I/O?
Queue it somewhere else!
The READY queue should only have jobs that are ready
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