NDLI: Exploiting narrow-width values for thermal-aware register file designs

Content Provider	IEEE Xplore Digital Library
Author	Shuai Wang Jie Hu Ziavras, S.G. Sung Woo Chung
Copyright Year	2009
Description	Author affiliation: Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, 07102, USA (Shuai Wang; Jie Hu; Ziavras, S.G.) \|\| Division of Computer and Communication Engineering, Korea University, Seoul 136-713, Korea (Sung Woo Chung)
Abstract	Localized heating-up creates thermal hotspots across the chip, with the integer register file ranked as the hottest unit in high-performance microprocessors. In this paper, we perform a detailed study on the thermal behavior of a low-power value-aware register file (VARF) that is subjected to internal fine-grain hotspots. To further optimize its thermal behavior, we propose and evaluate three thermal-aware control schemes, thermal sensor (TS), access counter (AC), and register-id (ID) based, to balance the access activity and thus the temperature across different partitions in the VARF. The simulation results using SPEC CINT2000 benchmarks show that the register-id controlled VARF (ID-VARF) scheme achieves optimized thermal behavior at minimum cost as compared to the other schemes. We further evaluate the performance impact of the thermal-aware VARF design with the dynamic thermal management (DTM). The experimental results show that the ID-VARF can improve the performance by 26.1% and 7.2% over the conventional register file and the original VARF design, respectively.
Starting Page	1422
Ending Page	1427
File Size	144268
Page Count	6
File Format	PDF
ISBN	9781424437818
ISSN	15301591
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-04-20
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	European Design Automation Association (EDAA)
Subject Keyword	Thermal management Registers Microprocessors Temperature sensors Energy consumption Temperature control Design optimization Thermal engineering Thermal sensors Counting circuits
Content Type	Text
Resource Type	Article

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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