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CONVEX ENERGY OPTIMIZATION OF STREAMING APPLICATIONS FOR MPSOCS

Citation Author(s):
Erwan Nogues, Alexandre Mercat, Florian Arrestier, Maxime Pelcat, Daniel Menard,
Submitted by:
Daniel Menard
Last updated:
9 May 2019 - 4:05pm
Document Type:
Poster
Document Year:
2019
Event:
Presenters Name:
Menard Daniel
Paper Code:
3564

Abstract 

Abstract: 

The energy efficiency of modern MPSoCs is enhanced by complex hardware features such as Dynamic Voltage and Frequency Scaling (DVFS) and Dynamic Power Management (DPM). This paper introduces a new method, based on convex problem solving, that determines the most energy efficient operating point in terms of frequency and number of active cores in an MPSoC. The solution can challenge the popular approaches based on never-idle (or As-Slow-As-Possible (ASAP)) and race-to-idle (or As-Fast-As-Possible (AFAP)) principles. Experimental data are reported using a Samsung Exynos 5410 MPSoC and show a reduction in energy of up to 27 % when compared to ASAP and AFAP.

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