2009 IEEE International Symposium on Modeling, Analysis &Amp; Simulation of Computer and Telecommunication Systems 2009
DOI: 10.1109/mascot.2009.5366656
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Performance evaluation of scheduling policies in symmetric multiprocessing environments

Abstract: Abstract-The shift of hardware architecture towards parallel execution led to a broad usage of multi-core processors in desktop systems and in server systems. The benefit of additional processor cores for software performance depends on the software's parallelism as well as the operating system scheduler's capabilities. Especially, the load on the available processors (or cores) strongly influences response times and throughput of software applications. Hence, a sophisticated understanding of the mutual influe… Show more

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Cited by 3 publications
(3 citation statements)
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“…For general purpose operating system schedulers, the effects of load balancing and process priorities on process execution were investigated in [21] and later modeled in [22]. In addition to allocating execution time, operating system scheduling also has a major impact on how processes interact through shared resources at both hardware and software levels.…”
Section: Layers Example MC Challengesmentioning
confidence: 99%
“…For general purpose operating system schedulers, the effects of load balancing and process priorities on process execution were investigated in [21] and later modeled in [22]. In addition to allocating execution time, operating system scheduling also has a major impact on how processes interact through shared resources at both hardware and software levels.…”
Section: Layers Example MC Challengesmentioning
confidence: 99%
“…Two widely used service disciplines, PS and FCFS, are considered. The choice of discipline within a performance model has been shown to depend on the relative size of request service time and the OS scheduling time-slice [8]. As the request service time changes, the close-to-truth service discipline may also change.…”
Section: Case 1: Performance Model Changesmentioning
confidence: 99%
“…A mode is the true system behavior that is to be approximated by the models, including measurement model, process model, and error covariances. For example, the service discipline of CPU can be approximated by process sharing (PS) discipline when the request service time is significantly larger than the time-slice of the OS scheduler, but it more closely resembles a first-come first-served (FCFS) discipline, when the service time is smaller than the time-slice [8]. The service time of the system may vary smoothly during normal time, but it undergoes rapid changes during bursty time.…”
Section: Introductionmentioning
confidence: 99%