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Asymmetric cores for low power user interface systems

Published: 08 October 2013 Publication History

Abstract

In recent years, advances in hardware design have lead to significant improvements in the battery life of everyday information appliances. In particular, application processors increasingly include low power "helper" cores dedicated to simpler tasks. Using a custom board design, Guimbretière et al. [2], demonstrated that such helper cores can also be used to execute simple user interface tasks. We revisit their approach by implementing a similar system on an off-the-shelf application processor (TI OMAP4), and demonstrate that, in many cases, the gains reported by Guimbretière et al. [2], can be achieved by simply having the helper core dispatch input events. This new approach can be implemented by merely changing the toolkit infrastructure, thus greatly simplifying deployment

References

[1]
Cockburn, A., Gutwin, C., and Alexander, J. Faster document navigation with space-filling thumbnails. In Proc. of the SIGCHI 2006, ACM (2006), 1--10.
[2]
Guimbretière, F., Liu, S., Wang, H., and Manohar, R. An Asymmetric Dual-Processor Architecture for Low Power E-ink Display. ACM Transactions on Embedded Computing Systems (in press
[3]
Harter, T. and Vroegindeweij, S. Energy-aware user interfaces: an evaluation of user acceptance. In proc. of SIGCHI 2004, (2004), 199--206.
[4]
Vallerio, K.S., Zhong, L., and Jha, N.K. Energy-efficient graphical user interface design. IEEE Transactions on Mobile Computing, vol. 5, no. 7 (2006), 846--859.
[5]
Zhong, L. and Jha, N.K. Energy efficiency of handheld computer interfaces: limits, characterization and practice. In Proc. of MobiSys 2005, ACM (2005), 247--260.

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Published In

cover image ACM Conferences
UIST '13 Adjunct: Adjunct Proceedings of the 26th Annual ACM Symposium on User Interface Software and Technology
October 2013
126 pages
ISBN:9781450324069
DOI:10.1145/2508468
Permission to make digital or hard copies of part or all of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for third-party components of this work must be honored. For all other uses, contact the Owner/Author.

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 08 October 2013

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Author Tags

  1. asymmetric architecture
  2. low-power user interface system

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UIST'13
UIST'13: The 26th Annual ACM Symposium on User Interface Software and Technology
October 8 - 11, 2013
St. Andrews, Scotland, United Kingdom

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UIST '13 Adjunct Paper Acceptance Rate 49 of 317 submissions, 15%;
Overall Acceptance Rate 355 of 1,733 submissions, 20%

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UIST '25
The 38th Annual ACM Symposium on User Interface Software and Technology
September 28 - October 1, 2025
Busan , Republic of Korea

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