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Simulation and evaluation of multiple sporadic servers rescheduling
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- Martinović, G. (author)
- J. J. Strossmayer University of Osijek, Osijek, Croatia
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- Karić, M. (author)
- J. J. Strossmayer University of Osijek, Osijek, Croatia
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- Crnković, Ivica (author)
- Mälardalens högskola,Inbyggda system
- J J. Strossmayer University of Osijek, Osijek, Croatia Inbyggda system (creator_code:org_t)
- Elsevier BV, 2015
- 2015
- English.
- In: IFAC-PapersOnLine. - : Elsevier BV. - 2405-8963. ; , s. 270-275
- Conference paper (peer-reviewed)
Abstract
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- This paper deals with task scheduling in heterogeneous distributed embedded computer environments of renewable and timing variable resources. Real-time application performance can be considerably influenced by unexpected events in the environment. The predictive-reactive rescheduling procedure can enable significant improvements. The rescheduling procedure based on multiple server tasks enables usage of one's own resources, but also a fast connection to nodes with appropriate performance that will soften the influence of disturbances. We developed a tool that enables simulation of application execution conditions for a given environment and extraction of better scheduling parameter settings. Numerous scheduling parameters are improved with an increase in the number of nodes available for rescheduling. We also investigate cost-effectiveness of the method based on rescheduling time cost. The results demonstrate a possibility of achieving performance improvement by tuning cost parameters.
Subject headings
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Datorsystem (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Computer Systems (hsv//eng)
Keyword
- Adaptive scheduling; Distributed computing; Real-time systems; Rescheduling; Simulation
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- ref (subject category)
- kon (subject category)
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