alexa Energy Efficient Framework for heterogeneous Multicore
ISSN ONLINE(2278-8875) PRINT (2320-3765)

International Journal of Advanced Research in Electrical, Electronics and Instrumentation Engineering
Open Access

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Special Issue Article

Energy Efficient Framework for heterogeneous Multicore Parallel Processors

A.S.Radhamani1 and E.Baburaj2
  1. Research Scholar, Department of Computer Science and Engineering, Manonmanium Sundaranar University,Tirunelveli, India
  2. Professor, Department of Computer Science and Engineering, Sun College of Engineering and Technology, Nagercoil, India
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Abstract

Recently, energy-efficient computing has become a major interest, both in the mobile and IT sectors. With the advent of multi-core processors and their energy-saving mechanisms, there is a necessity to model their power consumption. The existing models for multi-core processors are based on the assumption that the power consumption of multiple cores performing parallel computations is equal to the sum of the power of each of those active cores. In this paper, we analyze this assumption and show that it leads to lack of accuracy when applied to modern processors such as quad-core. Based on our analysis, we present a methodology for estimating the energy consumption of multi-core processors. Unlike existing models, we take into account resource sharing and power saving mechanisms. We show that our approach provides accuracy with varying task sets.

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