NDLI: CMP design space exploration subject to physical constraints

Content Provider	IEEE Xplore Digital Library
Author	Yingmin Li Lee, B. Brooks, D. Zhigang Hu Skadron, K.
Copyright Year	2006
Description	Author affiliation: Dept. of Comput. Sci., Virginia Univ., Charlottesville, VA, USA (Yingmin Li)
Abstract	This paper explores the multi-dimensional design space for chip multiprocessors, exploring the inter-related variables of core count, pipeline depth, superscalar width, L2 cache size, and operating voltage and frequency, under various area and thermal constraints. The results show the importance of joint optimization. Thermal constraints dominate other physical constraints such as pin-bandwidth and power delivery, demonstrating the importance of considering thermal constraints while optimizing these other parameters. For aggressive cooling solutions, reducing power density is at least as important as reducing total power, while for low-cost cooling solutions, reducing total power is more important. Finally, the paper shows the challenges of accommodating both CPU-bound and memory-bound workloads on the same design. Their respective preferences for more cores and larger caches lead to increasingly irreconcilable configurations as area and other constraints are relaxed; rather than accommodating a happy medium, the extra resources simply encourage more extreme optimization points.
Starting Page	17
Ending Page	28
File Size	623192
Page Count	12
File Format	PDF
ISBN	0780393686
ISSN	15300897
DOI	10.1109/HPCA.2006.1598109
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-02-11
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Space exploration Voltage Cooling Throughput Frequency Pipelines Constraint optimization Design optimization Computer science Design engineering
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
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
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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CMP design space exploration subject to physical constraints (2006)

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