Underdesigned and opportunistic computing in presence of hardware variability

Puneet Gupta; Yuvraj Agarwal; Lara Dolecek; Nikil Dutt; Rajesh K. Gupta; Rakesh Kumar; Subhasish Mitra; Alexandru Nicolau; Tajana Simunic Rosing; Mani B. Srivastava; Steven Swanson; Dennis Sylvester

doi:10.1109/TCAD.2012.2223467

Underdesigned and opportunistic computing in presence of hardware variability

Puneet Gupta, Yuvraj Agarwal, Lara Dolecek, Nikil Dutt, Rajesh K. Gupta, Rakesh Kumar, Subhasish Mitra, Alexandru Nicolau, Tajana Simunic Rosing, Mani B. Srivastava, Steven Swanson, Dennis Sylvester

Research output: Contribution to journal › Article › peer-review

Abstract

Microelectronic circuits exhibit increasing variations in performance, power consumption, and reliability parameters across the manufactured parts and across use of these parts over time in the field. These variations have led to increasing use of overdesign and guardbands in design and test to ensure yield and reliability with respect to a rigid set of datasheet specifications. This paper explores the possibility of constructing computing machines that purposely expose hardware variations to various layers of the system stack including software. This leads to the vision of underdesigned hardware that utilizes a software stack that opportunistically adapts to a sensed or modeled hardware. The envisioned underdesigned and opportunistic computing (UnO) machines face a number of challenges related to the sensing infrastructure and software interfaces that can effectively utilize the sensory data. In this paper, we outline specific sensing mechanisms that we have developed and their potential use in building UnO machines.

Original language	English (US)
Article number	6387697
Pages (from-to)	8-23
Number of pages	16
Journal	IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems
Volume	32
Issue number	1
DOIs	https://doi.org/10.1109/TCAD.2012.2223467
State	Published - 2013

Keywords

Computer architecture
design automation
design for manufacture
digital integrated circuits
micro-procesors
reliability
system software

ASJC Scopus subject areas

Software
Computer Graphics and Computer-Aided Design
Electrical and Electronic Engineering

Online availability

10.1109/TCAD.2012.2223467

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Gupta, P., Agarwal, Y., Dolecek, L., Dutt, N., Gupta, R. K., Kumar, R., Mitra, S., Nicolau, A., Rosing, T. S., Srivastava, M. B., Swanson, S., & Sylvester, D. (2013). Underdesigned and opportunistic computing in presence of hardware variability. IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, 32(1), 8-23. [6387697]. https://doi.org/10.1109/TCAD.2012.2223467

Gupta, P, Agarwal, Y, Dolecek, L, Dutt, N, Gupta, RK, Kumar, R, Mitra, S, Nicolau, A, Rosing, TS, Srivastava, MB, Swanson, S & Sylvester, D 2013, 'Underdesigned and opportunistic computing in presence of hardware variability', IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems, vol. 32, no. 1, 6387697, pp. 8-23. https://doi.org/10.1109/TCAD.2012.2223467

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Underdesigned and opportunistic computing in presence of hardware variability

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