NDLI: A trace-based binary compilation framework for energy-aware computing

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A trace-based binary compilation framework for energy-aware computing

Content Provider	ACM Digital Library
Author	Li, Lian Xue, Jingling
Abstract	Energy-aware compilers are becoming increasingly important for embedded systems due to the need to meet conflicting constraints on time, code size and power consumption. We introduce a trace-based, offline compiler framework on binaries and demonstrate its benefits in supporting energy optimisations. The key innovation lies in identifying frequently executed paths in a binary program and duplicating them as single-entry traces. Separating frequently from infrequently executed paths enables the compiler to focus both performance and energy optimisations on the hot traces.Traces constructed at the level of binaries are inherently inter-procedural, spanning both application and library code. Such a framework allows an embedded application developer to exploit optimisation opportunities made possible due to the information that is available only at link time.We describe the implementation of our trace-based framework in alto, a link-time optimiser for the Alpha architecture. We present a new algorithm for constructing the hot traces from binaries. This algorithm is both effective (since the execution cycles are mostly spent on traces) and practical (due to small code size increases caused). We have developed and implemented a new optimisation to reduce the functional unit leakage energy. We show how the traces facilitate the development of such an optimisation, which results in significant leakage energy savings for benchmark programs at the cost of small performance penalties.
Starting Page	95
Ending Page	106
Page Count	12
File Format	PDF
ISBN	1581138067
DOI	10.1145/997163.997178
Language	English
Publisher	Association for Computing Machinery (ACM)
Publisher Date	2004-06-11
Publisher Place	New York
Access Restriction	Subscribed
Subject Keyword	Trace Link-time optimisation Energy optimisation Binary translation Profile-guided optimisation
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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