Energy and Synchronization-Aware Mapping of Real-Time Tasks on Asymmetric Multicore Platforms | Zendy

E. M. Saad | Zendy; Abdullah Elewi | Zendy; Mohamed Shalan | Zendy; Medhat Awadalla | Zendy

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Energy and Synchronization-Aware Mapping of Real-Time Tasks on Asymmetric Multicore Platforms

Author(s) -

E. M. Saad,

Abdullah Elewi,

Mohamed Shalan,

Medhat Awadalla

Publication year - 2013

Publication title -

international journal of computer applications

Language(s) - English

Resource type - Journals

ISSN - 0975-8887

DOI - 10.5120/13159-0932

Subject(s) - computer science , synchronization (alternating current) , multi core processor , time synchronization , energy (signal processing) , real time computing , embedded system , parallel computing , computer network , channel (broadcasting) , statistics , mathematics

task mapping plays a crucial role in saving energy in asymmetric multiprocessor platforms. This paper considers the problem of energy-aware static mapping of periodic real- time dependent tasks sharing resources on asymmetric multi/many-core embedded systems. The paper extends an existing synchronization-aware bin-packing (BP) variant when the full-chip dynamic voltage and frequency scaling (DVFS) is supported by the asymmetric multicore platform. Then, the paper proposes another BP variant when DVFS is not supported. The simulation results showed that the proposed BP variant can reduce energy consumption significantly in the presence of shared resources.

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