NDLI: Systematic temperature sensor allocation and placement for microprocessors

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Systematic temperature sensor allocation and placement for microprocessors

Content Provider	ACM Digital Library
Author	Memik, Seda Ogrenci Mukherjee, Rajarshi
Abstract	Modern high performance processors employ advanced techniques for thermal management, which rely on accurate readings of on-die thermal sensors. As the importance of thermal effects on reliability and performance of integrated circuits increases careful planning and embedding of thermal monitoring mechanisms into these systems will be crucial. Systematic tools for analysis of thermal behavior and determination of best allocation and placement of thermal sensing elements is therefore a highly relevant problem. In this paper, we propose novel optimization techniques for determining the optimal locations and allocations for thermal sensors to provide a high fidelity thermal profile of a complex microprocessor system. Our algorithm identifies an optimal physical location for each sensor such that the sensor's the attraction towards steep thermal gradient is maximized. We also present a hybrid allocation and placement strategy showing the trade-offs associated with number of sensors used and expected accuracy. Our results show that our tool is able to create a sensor distribution for a given microprocessor architecture providing thermal measurements with maximum error of 3.18°C and average maximum error of 1.63°C across a wide set of applications.
Starting Page	542
Ending Page	547
Page Count	6
File Format	PDF
ISBN	1595933816
DOI	10.1145/1146909.1147051
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2006-07-24
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Temperature Allocation Placement Sensor
Content Type	Text
Resource Type	Article

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