NDLI: Low power embedded software optimization using symbolic algebra

Content Provider	IEEE Xplore Digital Library
Author	Peymandoust, A. Simunic, T. De Micheli, G.
Copyright Year	2002
Description	Author affiliation: Comput. Syst. Lab., Stanford Univ., CA, USA (Peymandoust, A.)
Abstract	The market demand for portable multimedia applications has exploded in recent years. Unfortunately for such applications, current compilers and software optimization methods often require designers to do part of the optimization manually. Specifically, the high-level arithmetic optimizations and the use of complex instructions are left to the designers' ingenuity. In this paper, we present a tool flow, SymSoft, that automates the optimization of power-intensive algorithmic constructs using symbolic algebra techniques combined with energy profiling. SymSoft is used to optimize and tune the algorithmic level description of an MPEG Layer III (MP3) audio decoder for the SmartBadge (Maguire et al, 1998) portable embedded system. We show that our tool lowers the number of instructions and memory accesses and thus lowers the system power consumption. The optimized MP3 audio decoder software meets real-time constraints on the SmartBadge system with low energy consumption. Furthermore, the performance improves by a factor of 7.27 and the energy consumption decreases by a factor of 4.45 over the original executable specification.
Sponsorship	EDAA
Starting Page	1052
Ending Page	1058
File Size	285580
Page Count	7
File Format	PDF
ISBN	0769514715
ISSN	15301591
DOI	10.1109/DATE.2002.998432
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2002-03-04
Publisher Place	France
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Embedded software Algebra Energy consumption Application software Design optimization Digital audio players Decoding Optimization methods Design methodology Optimizing compilers
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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