Maximizing performance of thermally constrained multi-core processors by dynamic voltage and frequency control

In this paper a precise formulation of the problem of minimizing the maximum completion time of tasks on a multi-core processor, subject to thermal constraints is presented. The power model used in this work, accounts for the leakage dependence on temperature, while the thermal model is based on the...

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Veröffentlicht in:2009 IEEE/ACM International Conference on Computer-Aided Design - Digest of Technical Papers S. 310 - 313
Hauptverfasser: Hanumaiah, V., Vrudhula, S., Chatha, K.S.
Format: Tagungsbericht
Sprache:Englisch
Veröffentlicht: IEEE 01.11.2009
Schlagworte:
Algorithm design and analysis
DVFS
Frequency control
Microprocessors
multi-core
Multicore processing
optimal throughput
Power system management
Power system modeling
Temperature
Thermal engineering
Thermal management
Voltage control
ISSN:1092-3152
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Zusammenfassung:In this paper a precise formulation of the problem of minimizing the maximum completion time of tasks on a multi-core processor, subject to thermal constraints is presented. The power model used in this work, accounts for the leakage dependence on temperature, while the thermal model is based on the HotSpot model. The general problem is shown to be a non-linear optimization problem that includes cyclic constraints between temperature and power. The derived policy of dynamic frequency and voltage control results in a performance improvement of 19.6% over an optimal policy which performs speed-only control.
ISSN:1092-3152
DOI:10.1145/1687399.1687458