Artículo

Méndez-Díaz, I.; Orozco, J.; Santos, R.; Zabala, P."Energy-aware scheduling mandatory/optional tasks in multicore real-time systems" (2017) International Transactions in Operational Research. 24(1-2):173-198
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Abstract:

Reward-based scheduling of real-time systems of periodic, preemptable, and independent tasks with mandatory and optional parts in homogeneous multiprocessors with energy considerations is a problem that has not been analyzed before. The problem is NP-hard. In this paper, a restricted migration schedule is adopted in which different jobs of the same task may execute in different processors and at different power modes but no migration is allowed after the job has started its execution. An objective function to maximize the performance of the system considering the execution of optional parts, the benefits of slowing down the processor, and a penalty for changing the operation frequency is introduced together with a set of constraints that guarantee the real-time performance of the system. Different algorithms are proposed to find a feasible schedule maximizing the objective function and are compared using synthetic systems of tasks generated following guidelines proposed in previous papers. © 2016 The Authors. International Transactions in Operational Research © 2016 International Federation of Operational Research Societies Published by John Wiley & Sons Ltd, 9600 Garsington Road, Oxford OX4 2DQ, UK and 350 Main St, Malden, MA02148, USA.

Registro:

Documento: Artículo
Título:Energy-aware scheduling mandatory/optional tasks in multicore real-time systems
Autor:Méndez-Díaz, I.; Orozco, J.; Santos, R.; Zabala, P.
Filiación:Dep. de Computación, Fac. Cs. Exactas y Naturales, Universidad de Buenos Aires, Buenos Aires, Argentina
Dep. Ing. Eléctrica y Computadoras—IIIE, Universidad Nacional del Sur, CONICET, Buenos Aires, Argentina
Palabras clave:combinatorial optimization; heuristics; integer programming; scheduling; Combinatorial optimization; Integer programming; Interactive computer systems; Job shop scheduling; Power management; Scheduling; Energy considerations; Energy-aware scheduling; Heuristics; Independent tasks; Objective functions; Operation frequency; Real time performance; Synthetic systems; Real time systems
Año:2017
Volumen:24
Número:1-2
Página de inicio:173
Página de fin:198
DOI: http://dx.doi.org/10.1111/itor.12328
Handle:http://hdl.handle.net/20.500.12110/paper_09696016_v24_n1-2_p173_MendezDiaz
Título revista:International Transactions in Operational Research
Título revista abreviado:Int. Trans. Oper. Res.
ISSN:09696016
Registro:https://bibliotecadigital.exactas.uba.ar/collection/paper/document/paper_09696016_v24_n1-2_p173_MendezDiaz

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Citas:

---------- APA ----------
Méndez-Díaz, I., Orozco, J., Santos, R. & Zabala, P. (2017) . Energy-aware scheduling mandatory/optional tasks in multicore real-time systems. International Transactions in Operational Research, 24(1-2), 173-198.
http://dx.doi.org/10.1111/itor.12328
---------- CHICAGO ----------
Méndez-Díaz, I., Orozco, J., Santos, R., Zabala, P. "Energy-aware scheduling mandatory/optional tasks in multicore real-time systems" . International Transactions in Operational Research 24, no. 1-2 (2017) : 173-198.
http://dx.doi.org/10.1111/itor.12328
---------- MLA ----------
Méndez-Díaz, I., Orozco, J., Santos, R., Zabala, P. "Energy-aware scheduling mandatory/optional tasks in multicore real-time systems" . International Transactions in Operational Research, vol. 24, no. 1-2, 2017, pp. 173-198.
http://dx.doi.org/10.1111/itor.12328
---------- VANCOUVER ----------
Méndez-Díaz, I., Orozco, J., Santos, R., Zabala, P. Energy-aware scheduling mandatory/optional tasks in multicore real-time systems. Int. Trans. Oper. Res. 2017;24(1-2):173-198.
http://dx.doi.org/10.1111/itor.12328