NDLI: Power Aware Computing on GPUs

Content Provider	IEEE Xplore Digital Library
Author	Kasichayanula, K. Terpstra, D. Luszczek, P. Tomov, S. Moore, S. Peterson, G.D.
Copyright Year	2012
Abstract	Energy and power density concerns in modern processors have led to significant computer architecture research efforts in power-aware and temperature-aware computing. With power dissipation becoming an increasingly vexing problem, power analysis of Graphical Processing Unit (GPU) and its components has become crucial for hardware and software system design. Here, we describe our technique for a coordinated measurement approach that combines real total power measurement and per-component power estimation. To identify power consumption accurately, we introduce the Activity-based Model for GPUs (AMG), from which we identify activity factors and power for micro architectures on GPUs that will help in analyzing power tradeoffs of one component versus another using micro benchmarks. The key challenge addressed in this work is real-time power consumption, which can be accurately estimated using NVIDIA's Management Library (NVML). We validated our model using Kill-A-Watt power meter and the results are accurate within 10%. This work also analyses energy consumption of MAGMA (Matrix Algebra on GPU and Multicore Architectures) BLAS2, BLAS3 kernels, and Hessenberg kernels.
Starting Page	64
Ending Page	73
File Size	409854
Page Count	10
File Format	PDF
ISBN	9781467328821
ISSN	2166515X
e-ISBN	9780769548388
DOI	10.1109/SAAHPC.2012.26
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2012-07-10
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Power demand Power-aware NVML Instruction sets GPUs Graphics processing unit Temperature-aware Power measurement Nonvolatile memory Memory management NVIDIA C2075 AMG Kernel MAGMA power analysis
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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