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Architecting voltage islands in core-based system-on-a-chip designs

Published: 09 August 2004 Publication History

Abstract

Voltage islands enable core-level power optimization for System-on-Chip (SoC) designs by utilizing a unique supply voltage for each core. Architecting voltage islands involves island partition creation, voltage level assignment and floorplanning. The task of island partition creation and level assignment have to be done simultaneously in a floorplanning context due to the physical constraints involved in the design process. This leads to a floorplanning problem formulation that is very different from the traditional floorplanning for ASIC-style design.In this paper, we define the problem of architecting voltage islands in core-based designs and present a new algorithm for simultaneous voltage island partitioning, voltage level assignment and physical-level floorplanning. Application of the proposed algorithm to a few benchmark and industrial examples is demonstrated using a prototype tool. Results show power savings of 14%--28%, depending on the constraints imposed on the number of voltage islands and other physical-level parameters.

References

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R. A. Bergamaschi, Y. Shin, N. Dhanwada, S. Bhattacharya, W. E. Dougherty, I. Nair, J. Darringer, and S. Paliwal, "SEAS: A system for early analysis of SoCs," in Proc. Int'l Conf. on Hardware/Software Codesign and System Synthesis, Oct. 2003, pp. 150--155.
[2]
M. Pedram and J. Rabaey, Power Aware Design Methodologies, Kluwer Academic Publishers, 2002.
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D. E. Lackey, P. S. Zuchowski, T. R. Bednar, D. W. Stout, S. W. Gould, and J. M. Cohn, "Managing power and performance for System-on-Chip designs using voltage islands," in Proc. Int'l Conf. on Computer Aided Design, Nov. 2002, pp. 195--202.
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A. B. Kahng, "Classical floorplanning harmful?," in Proc. Int'l Symp. on Physical Design, Apr. 2000, pp. 207--213.
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F. N. Najm, "A survey of power estimation techniques in VLSI circuits," IEEE Trans. on VLSI Systems, vol. 2, no. 4, pp. 446--455, Dec. 1994.
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  • (2022)A C4.5 decision tree classifier based floorplanning algorithm for System-on-Chip designMicroelectronics Journal10.1016/j.mejo.2022.105361121(105361)Online publication date: Mar-2022
  • (2019)Au-IdProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/33289193:2(1-26)Online publication date: 21-Jun-2019
  • (2019)Enhancing Indoor Inertial Odometry with WiFiProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/33289183:2(1-27)Online publication date: 21-Jun-2019
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Published In

cover image ACM Conferences
ISLPED '04: Proceedings of the 2004 international symposium on Low power electronics and design
August 2004
414 pages
ISBN:1581139292
DOI:10.1145/1013235
Permission to make digital or hard copies of all or part 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 components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Association for Computing Machinery

New York, NY, United States

Publication History

Published: 09 August 2004

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Author Tags

  1. floorplanning
  2. low-power
  3. multiple VDD
  4. system-on-a-chip
  5. voltage island

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ISLPED04
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ISLPED04: International Symposium on Low Power Electronics and Design
August 9 - 11, 2004
California, Newport Beach, USA

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Overall Acceptance Rate 398 of 1,159 submissions, 34%

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Cited By

View all
  • (2022)A C4.5 decision tree classifier based floorplanning algorithm for System-on-Chip designMicroelectronics Journal10.1016/j.mejo.2022.105361121(105361)Online publication date: Mar-2022
  • (2019)Au-IdProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/33289193:2(1-26)Online publication date: 21-Jun-2019
  • (2019)Enhancing Indoor Inertial Odometry with WiFiProceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies10.1145/33289183:2(1-27)Online publication date: 21-Jun-2019
  • (2019)Fine-Grain Back Biasing for the Design of Energy-Quality Scalable OperatorsIEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems10.1109/TCAD.2018.283440038:6(1042-1055)Online publication date: 1-Jun-2019
  • (2018)Module Based Floorplanning Methodology to Satisfy Voltage Island and Fixed Outline ConstraintsElectronics10.3390/electronics71103257:11(325)Online publication date: 15-Nov-2018
  • (2018)Co-synthesis of floorplanning and powerplanning in 3D ICs for multiple supply voltage designs2018 Design, Automation & Test in Europe Conference & Exhibition (DATE)10.23919/DATE.2018.8342221(1339-1344)Online publication date: Mar-2018
  • (2018)Modified Adaptive Differential Evolution Algorithm for Test Scheduling of Multi-Core SOC Based on DVS and MVI2018 Eighth International Conference on Instrumentation & Measurement, Computer, Communication and Control (IMCCC)10.1109/IMCCC.2018.00125(569-574)Online publication date: Jul-2018
  • (2017)A methodology for the design of dynamic accuracy operators by runtime back biasProceedings of the Conference on Design, Automation & Test in Europe10.5555/3130379.3130654(1165-1170)Online publication date: 27-Mar-2017
  • (2017)A methodology for the design of dynamic accuracy operators by runtime back biasDesign, Automation & Test in Europe Conference & Exhibition (DATE), 201710.23919/DATE.2017.7927165(1165-1170)Online publication date: Mar-2017
  • (2016)Multi-story power distribution networks for GPUsProceedings of the 2016 Conference on Design, Automation & Test in Europe10.5555/2971808.2971913(451-456)Online publication date: 14-Mar-2016
  • Show More Cited By

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