NDLI: Performance, energy characterizations and architectural implications of an emerging mobile platform benchmark suite

Content Provider	IEEE Xplore Digital Library
Author	Pandiyan, D. Shin-Ying Lee Wu, C.-J.
Copyright Year	2013
Description	Author affiliation: Sch. of Comput., Inf., & Decision Syst. Eng., Arizona State Univ., Tempe, AZ, USA (Pandiyan, D.; Shin-Ying Lee; Wu, C.-J.)
Abstract	In this paper, we explore key microarchitectural features of mobile computing platforms that are crucial to the performance of smart phone applications. We create and use a selection of representative smart phone applications, which we call MobileBench that aid in this analysis. We also evaluate the effectiveness of current memory subsystem on the mobile platforms. Furthermore, by instrumenting the Android framework, we perform energy characterization for MobileBench on an existing Samsung Galaxy S III smart phone. Based on our energy analysis, we find that application cores on modern smart phones consume significant amount of energy. This motivates our detailed performance analysis centered at the application cores. Based on our detailed performance studies, we reach several key findings. (i) Using a more sophisticated tournament branch predictor can improve the branch prediction accuracy but this does not translate to observable performance gain. (ii) Smart phone applications show distinct TLB capacity needs. Larger TLBs can improve performance by an avg. of 14%. (iii) The current L2 cache on most smart phone platform experiences poor utilization because of the fast-changing memory requirements of smart phone applications. Using a more effective cache management scheme improves the L2 cache utilization by as much as 29.3% and by an avg. of 12%. (iv) Smart phone applications are prefetching-friendly. Using a simple stride prefetcher can improve performance across MobileBench applications by an avg. of 14%. (v) Lastly, the memory bandwidth requirements of MobileBench applications are moderate and well under current smart phone memory bandwidth capacity of 8.3 GB/s. With these insights into the smart phone application characteristics, we hope to guide the design of future smart phone platforms for lower power consumptions through simpler architecture while achieving high performance.
Sponsorship	IEEE Comput. Soc.
Starting Page	133
Ending Page	142
File Size	2155352
Page Count	10
File Format	PDF
ISBN	9781479905539
e-ISBN	9781479905553
DOI	10.1109/IISWC.2013.6704679
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2013-09-22
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Radiation detectors Marine vehicles Smart phones Prefetching History energy and performance characterization smart phone benchmarks smart phone architectures
Content Type	Text
Resource Type	Article

Sl.	Authority	Responsibilities	Communication Details
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
5	Website/Portal (Helpdesk)	Queries regarding NDLI and its services	support@ndl.gov.in
6	Contents and Copyright Issues	Queries related to content curation and copyright issues	content@ndl.gov.in
7	National Digital Library of India Club (NDLI Club)	Queries related to NDLI Club formation, support, user awareness program, seminar/symposium, collaboration, social media, promotion, and outreach	clubsupport@ndl.gov.in
8	Digital Preservation Centre (DPC)	Assistance with digitizing and archiving copyright-free printed books	dpc@ndl.gov.in
9	IDR Setup or Support	Queries related to establishment and support of Institutional Digital Repository (IDR) and IDR workshops	idr@ndl.gov.in

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