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research article
On-Line Global Energy Optimization in Multi-Core Systems Using Principles of Analog Computation
This work presents the design and the silicon implementation of an on-line energy optimizer unit based on novel analog computation approaches, which is capable of dynamically adjusting power supply voltages and operating frequencies of multiple processing elements on-chip. The optimized voltage/frequency assignments are tailored to the instantaneous workload information on multiple tasks and fully adaptive to variations in process and temperature. The optimizer unit has a response time of less than 50 us, occupies a silicon area of 0.021 sqmm and dissipates 2 mW/task.
Type
research article
Web of Science ID
WOS:000247547800017
Authors
Publication date
2007
Published in
Volume
42
Issue
7
Start page
1593
End page
1606
Peer reviewed
REVIEWED
EPFL units
Available on Infoscience
July 4, 2007
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