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Idletime Scheduling with Preemption Intervals - Lars Eggert

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18<br />

Effective PI Lengths<br />

• factors: resource, workload, user policy<br />

• lower bound: create FG burst length > 1<br />

• otherwise: no cost amortization<br />

• upper bound: FG inter-arrival gap<br />

• otherwise: BG starvation<br />

<strong>Lars</strong> <strong>Eggert</strong> <br />

2005-10-26

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