Temperature Variation Characterization and Thermal Management of Multicore Architectures

Increased variability affects the efficiency of dynamic power and thermal management. Existing on-chip sensor infrastructure can be used to improve the inherent thermal imbalances among cores in a multicore architecture. Experimental analysis based on live measurements on a special test chip shows r...

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Bibliographic Details
Published in:IEEE MICRO 2009-01, Vol.29 (1), p.116-126
Main Authors: Kursun, E., Chen-Yong Cher
Format: Article
Language:English
Subjects:
activity migration
Architecture
Chips
Computer architecture
dynamic temperature management
Dynamics
Energy management
Heating
Infrastructure
Loss measurement
multicore architectures
Multicore processing
Performance analysis
Semiconductor device measurement
Semiconductors
Sensor phenomena and characterization
Sensors
Temperature sensors
temperature-aware scheduling
Testing
thermal imaging
Thermal management
Thermal sensors
thermal variation
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Description
Summary:Increased variability affects the efficiency of dynamic power and thermal management. Existing on-chip sensor infrastructure can be used to improve the inherent thermal imbalances among cores in a multicore architecture. Experimental analysis based on live measurements on a special test chip shows reduced on-chip heating with no performance loss.
ISSN:0272-1732
1937-4143
DOI:10.1109/MM.2009.18