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conference paper

Multicore Thermal Management with Model Predictive Control

Zanini, Francesco  
•
Atienza, David  
•
Benini, Luca  
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2009
Proceedings of the 19th European Conference on Circuit Theory and Design (ECCTD 2009)
19th European Conference on Circuit Theory and Design (ECCTD 2009)

The goal of thermal management is to meet maximum operating temperature constraints, while at the same time tracking timevarying performance requirements. Current approaches avoid thermal violations by forcing abrupt operating points changes (e.g. processor shutdown), which cause sharp performance degradation. In this paper we aim at achieving a smooth thermal control action, that minimizes the variance of performance tracking error. We formulate this problem as a discrete-time optimal control problem, which can be solved using the theory and computational tools developed in the field of model-predictive control. Our optimization process considers the thermal profile of the system, its evolution over time, and time-varying workload requirements. Experimental results show that the proposed approach offers significant thermal balancing improvements over previous methods.

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Type
conference paper
DOI
10.1109/ECCTD.2009.5275073
Web of Science ID

WOS:000276473700176

Author(s)
Zanini, Francesco  
Atienza, David  
Benini, Luca  
De Micheli, Giovanni  
Date Issued

2009

Publisher

IEEE Press

Publisher place

New York

Published in
Proceedings of the 19th European Conference on Circuit Theory and Design (ECCTD 2009)
Start page

90

End page

95

Subjects

Thermal management

•

Multicore systems

•

MPSoC

•

Thermal balancing

•

Model predictive control

•

formal control

URL

URL

http://ecctd09.dogus.edu.tr/
Editorial or Peer reviewed

REVIEWED

Written at

EPFL

EPFL units
LSI1  
ESL  
Event nameEvent placeEvent date
19th European Conference on Circuit Theory and Design (ECCTD 2009)

Antalya, Turkey

August 22-27, 2009

Available on Infoscience
August 16, 2009
Use this identifier to reference this record
https://infoscience.epfl.ch/handle/20.500.14299/42085
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