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Título: | Dynamic energy-aware scheduling for parallel task-based application in cloud computing |
Autor: | Juarez, Fredy; Ejarque, Jorge; Badia, Rosa M. | Palabras clave: | Cloud computing Task-based applications Multi-heuristic resource allocation Green computing Energy-aware scheduling Distributed computing |
Fecha de publicación: | 2018 | Editor: | Elsevier | Citación: | Future Generation Computer Systems 78: 257- 271 (2018) | Resumen: | Green Computing is a recent trend in computer science, which tries to reduce the energy consumption and carbon footprint produced by computers on distributed platforms such as clusters, grids, and clouds. Traditional scheduling solutions attempt to minimize processing times without taking into account the energetic cost. One of the methods for reducing energy consumption is providing scheduling policies in order to allocate tasks on specific resources that impact over the processing times and energy consumption. In this paper, we propose a real-time dynamic scheduling system to execute efficiently task-based applications on distributed computing platforms in order to minimize the energy consumption. Scheduling tasks on multiprocessors is a well known NP-hard problem and optimal solution of these problems is not feasible, we present a polynomial-time algorithm that combines a set of heuristic rules and a resource allocation technique in order to get good solutions on an affordable time scale. The proposed algorithm minimizes a multi-objective function which combines the energy-consumption and execution time according to the energy-performance importance factor provided by the resource provider or user, also taking into account sequence-dependent setup times between tasks, setup times and down times for virtual machines (VM) and energy profiles for different architectures. A prototype implementation of the scheduler has been tested with different kinds of DAG generated at random as well as on real task-based COMPSs applications. We have tested the system with different size instances and importance factors, and we have evaluated which combination provides a better solution and energy savings. Moreover, we have also evaluated the introduced overhead by measuring the time for getting the scheduling solutions for a different number of tasks, kinds of DAG, and resources, concluding that our method is suitable for run-time scheduling. | URI: | http://hdl.handle.net/10261/160349 | DOI: | 10.1016/j.future.2016.06.029 | Identificadores: | doi: 10.1016/j.future.2016.06.029 issn: 0167-739X |
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