Simulation and Evaluation of Multiple Sporadic Servers Rescheduling (CROSBI ID 221706)
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Martinović, Goran ; Karić, Miran ; Crnković, Ivica
engleski
Simulation and Evaluation of Multiple Sporadic Servers Rescheduling
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.
Adaptive scheduling ; Distributed computing ; Real-time systems ; Rescheduling ; Simulation
Rad je prezentiran na skupu 2nd IFAC Conference on Embedded Systems, Computer Intelligence and Telematics (CESCIT 2015) ; Matjaž Colnarič (ur.) ; održanom od 22.-24.06.2015.g., Maribor, Slovenija.
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