RAEF: A Power Normalized System-level Reliability Analysis and Estimation Framework

Rishad A. Shafik*, Bashir M. Al-Hashimi, Jimson Mathew, Dhiraj Pradhan, Saraju P. Mohanty

*Corresponding author for this work

Research output: Chapter in Book/Report/Conference proceedingConference Contribution (Conference Proceeding)

2 Citations (Scopus)

Abstract

System-level reliability estimation is a crucial aspect in reliable design of embedded systems. Recently reported estimation techniques use separate measurements of power consumption and reliability to demonstrate the trade-offs between them. However, we will argue in this paper that such measurements cannot determine comparative reliability of system components with different power consumptions and hence a composite measurement of reliability and power consumption is required. Underpinning this argument, we propose a SystemC based system-level reliability analysis and estimation framework, RAEF, using a novel composite metric, power normalized reliability (PNR), defined as the ratio of reliability and power consumption. We show that PNR based estimation enables insightful reliability analysis of different system components. We evaluate the effectiveness of such estimation in RAEF using a case study of MPEG-2 decoder with four processing cores considering single-event upset (SEU) based soft error model. Using this setup, we analyze and compare PNR based estimation with existing reliability evaluations at different system hierarchies. Furthermore, we demonstrate the advantages of RAEF in assessing design choices highlighting the impact of voltage scaling and architecture allocation.

Original languageEnglish
Title of host publication2012 IEEE COMPUTER SOCIETY ANNUAL SYMPOSIUM ON VLSI (ISVLSI)
Place of PublicationNEW YORK
PublisherIEEE Computer Society
Pages189-194
Number of pages6
ISBN (Print)978-0-7695-4767-1
DOIs
Publication statusPublished - Jun 2012
EventIEEE-Computer-Society Annual Symposium on VLSI (ISVLSI) - Amherst, Morocco
Duration: 19 Aug 201221 Aug 2012

Conference

ConferenceIEEE-Computer-Society Annual Symposium on VLSI (ISVLSI)
Country/TerritoryMorocco
CityAmherst
Period19/08/1221/08/12

Keywords

  • MICROPROCESSORS

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