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Real-Time Loop Scheduling with Energy Optimization Via DVS and ABB for Multi-core Embedded System [chapter]

Guochen Hua, Meng Wang, Zili Shao, Hui Liu, Chun Jason Xue
Embedded and Ubiquitous Computing  
p 4 ò õ p j m & j Ñ x ( k l x p x ( õ y r h j 4 e õ p j m ó j l · 4 r x É õ y ò g j l u õ u ñ ( U x y õ p U ò y h g k S ÷ g 4 g õ y j l r & õ y j l ó · Ò ù ¹ r ò 4 ò p r ø e 4 r k l 4 k Ñ õ y j l r ÿ with  ...  m õ y ó ) r õ y ¥ ¢ © ¤ Ò o n g k l r r ò p j m õ y ó R £ 0 ¦ ¦ 3 ¢ r s w r ò õ p j u r ÿ (c) E[0]=E[−1]=E[−2]=1; } B[i]=A[i]+1; D[i]=A[i]*A[i]; E[i]=B[i]+C[i]+D[i]; C[i]=A[i]+3; A[i]=E[i−3]*E[i−3]; for  ... 
doi:10.1007/978-3-540-77092-3_1 dblp:conf/euc/HuaWSLX07 fatcat:j5c7vbjckrdaxmzu2d4a2j7lui

Dynamic and Leakage Energy Minimization With Soft Real-Time Loop Scheduling and Voltage Assignment

Meikang Qiu, Laurence T. Yang, Zili Shao, Edwin H.-M. Sha
2010 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
In this paper, we propose an optimal soft real-time loop scheduling and voltage assignment algorithm, loop scheduling and voltage assignment to minimize energy, to minimize both dynamic and leakage energy  ...  via DVS and ABB.  ...  For example, with three processor cores, compared with Method 3 (the ILP in [2] with DVS), LSVAME shows 36.0% reduction in hard real-time, and reductions of 49.3%, with probability 0.9, for soft real-time  ... 
doi:10.1109/tvlsi.2008.2010941 fatcat:azjwlua3vbegvehizriaee3oum

Rotation Scheduling and Voltage Assignment to Minimize Energy for SoC

Meikang Qiu, Laurence T. Yang, Edwin H.-M. Sha
2009 2009 International Conference on Computational Science and Engineering  
and leakage energy via DVS and ABB.  ...  In this paper, we propose an optimal soft real-time Rotation scheduling and voltage assignment algorithm, RSVAME (Rotation Scheduling and Voltage Assignment to Minimize Energy), to minimize both dynamic  ...  Assume that there are two processor cores in this multi-core embedded systems, and each DVS processor can select one of the three different voltages: V 1 , V 2 , and V 3 .  ... 
doi:10.1109/cse.2009.153 dblp:conf/cse/QiuYS09 fatcat:nz2iwi3qgff3fojijrhdwihnr4

State-of-the-art research study for green cloud computing

Si-Yuan Jing, Shahzad Ali, Kun She, Yi Zhong
2011 Journal of Supercomputing  
In Sect. 2, we review the core concepts and architecture of a cloud computing system. In Sect. 3, we study techniques and research which can lead to energy efficiency in the IaaS layer.  ...  For example, according to Amazon's estimates, at its data centers, expenses related to the cost and operation of the servers account for 53% of the total budget (based on a 3-year amortization-schedule  ...  [25] recently proposed an optimal loop scheduling and voltage assignment algorithm to minimize both dynamic and leakage energy via DVS and ABB with the soft real-time constraint.  ... 
doi:10.1007/s11227-011-0722-1 fatcat:rg4w4sl2cvacnmwkgm7utculqq

Reducing jitter in embedded systems employing a time-triggered software architecture and dynamic voltage scaling

T. Phatrapornnant, M.J. Pont
2006 IEEE transactions on computers  
Abstract This thesis is concerned with the development o f single-processor embedded systems in which there are requirements for both low CPU energy consumption and low levels of task jitter.  ...  Pont who has guided and encouraged me over the last four years. I have enjoyed working with him and am very grateful for all his wonderful support.  ...  -J. and Herkert, A. (1996)  ... 
doi:10.1109/tc.2006.29 fatcat:uxl6rxhwg5dvfhspyodwii67eq

An Overview of Architecture-Level Power- and Energy-Efficient Design Techniques [chapter]

Ivan Ratković, Nikola Bežanić, Osman S. Ünsal, Adrian Cristal, Veljko Milutinović
2015 Advances in Computers  
Power dissipation and energy consumption became the primary design constraint for almost all computer systems in the last 15 years.  ...  Both computer architects and circuit designers intent to reduce power and energy (without a performance Advances in Computers, Volume 98 # 2015 Elsevier Inc.  ...  Yan [29] studies the application of combined DVS and ABB in heterogeneous distributed real-time embedded systems.  ... 
doi:10.1016/bs.adcom.2015.04.001 fatcat:5voowf7sizcpxaumb74nelc25a

Joint hardware–software leakage minimization approach for the register file of VLIW embedded architectures

David Atienza, Praveen Raghavan, José L. Ayala, Giovanni De Micheli, Francky Catthoor, Diederik Verkest, Marisa López-Vallejo
2008 Integration  
New applications demand very high processing power when run on embedded systems.  ...  This approach relies upon an energy-aware register assignment method and a hardware support that creates sub-banks in the global register file that can be switched on/off at run time.  ...  Her research interests include VLSI design for communication systems and CAD tools for Hardware-Software Codesign, with particular emphasis on power optimization for embedded systems.  ... 
doi:10.1016/j.vlsi.2007.04.004 fatcat:d2jy3al5rvh5tmmquuibqx2v44

The Paramountcy of Reconfigurable Computing [chapter]

Reiner Hartenstein
2012 Energy-Efficient Distributed Computing Systems  
(RC) applications -bringing profound changes to the practice of scientific computing, cyber physical systems (CPS) and ubiquitous embedded systems, as well as new promises of disruptive new horizons for  ...  This paper introduces a new world model. 2 (section 19.6) is needed for simultaneously developing the scene toward parallel programming for manycore architectures and to structural programming for reconfigurable  ...  We need to model and to program real-time and embedded applications 387 . What model and what language should we use for hetero systems development?  ... 
doi:10.1002/9781118342015.ch18 fatcat:shfb4oycu5hu5boizx6oltlgwa

Alternative Power Systems and Devices [chapter]

2017 Systems, Controls, Embedded Systems, Energy, and Machines  
Reprinted material is quoted with permission, and sources are indicated. A wide variety of references are listed.  ...  Reasonable efforts have been made to publish reliable data and information, but the author and the publisher cannot assume responsibility for the validity of all materials or for the consequences of their  ...  Real-Time Scheduling Traditionally, real-time schedulers are divided into offline and online schedulers. Offline schedulers make all scheduling decisions before the system is executed.  ... 
doi:10.1201/9781420037043-7 fatcat:px3rpk2xgvhtbjwr7s3h3k6ute

Software tools for quantum control: Improving quantum computer performance through noise and error suppression [article]

Harrison Ball, Michael J. Biercuk, Andre Carvalho, Jiayin Chen, Michael Hush, Leonardo A. De Castro, Li Li, Per J. Liebermann, and Harry J. Slatyer, Claire Edmunds, Virginia Frey, Cornelius Hempel (+1 others)
2020 arXiv   pre-print
We describe a software architecture leveraging both high-performance distributed cloud computation and local custom integration into hardware systems, and explain how key functionality is integrable with  ...  Finally, we present a series of case studies demonstrating the application of quantum control solutions using these tools in real experimental settings for both trapped-ion and superconducting quantum  ...  III C to generate single and multi-qutrit gates optimized for robustness against leakage and dephasing errors in a coupled-transmon system.  ... 
arXiv:2001.04060v2 fatcat:7x5olheg3bfovhqcosyyuicgpi

FPGA based controller drive of BLDC motor using digital PWM technique

A. Tashakori, M. Hassanudeen, M. Ektesabi
2015 2015 IEEE 11th International Conference on Power Electronics and Drive Systems  
(EES) integrated with Renewable Energy Resources (RER) has increased use of optimum scheduling strategy in distribution systems.  ...  Dual Inverter System with Integrated Energy Storage for Grid Connected Photovoltaic Systems S. D. G. Jayasinghe and D. M.  ...  related to the application of the adaptive Kalman filter to estimation of the states and parameters of an drive system with an elastic joint are presented.  ... 
doi:10.1109/peds.2015.7203584 fatcat:ffarubukq5gothj7a2mkcdyit4

Simulation and optimization methods as decision support tools for oil refinery hydrogen networks

Anibal Galan, Cesar De Prada, Gloria Gutierrez
2021 Zenodo  
Despite that, actual deployment of integrated decision support systems remains atypical in process industries, which constraints the potential of optimal operation of assets.  ...  For this purpose, it is proposed an integrated decision support framework for hydrogen network operators under uncertain conditions, which combines process information, model predictive control, optimization  ...  real-time systems and control systems architectures, which undermines optimal decision-making in real-time operations.  ... 
doi:10.5281/zenodo.4579050 fatcat:ffu4x6odavbjhc6b3bulr4kjbe

Voltage control in the future power transmission systems [article]

Nan Qin
2016 Ph.d.-serien for Det Teknisk-Naturvidenskabelige Fakultet, Aalborg Universitet  
The formulated optimization problem is the core of the AVC system, which should be solved in the real time system within limited time span.  ...  How to make the AVC system robust for real time applications?  ...  Comparing to the previous studies, the difference is to reserve the VSM and search for the optimal solution as proposed in Figure 101 , where the confidence level is set to 0.01.  ... 
doi:10.5278/ fatcat:yob263g53rea7grbcsifb2bzxm

Leakage Models for High-Level Power Estimation

Domenik Helms, Reef Eilers, Malte Metzdorf, Wolfgang Nebel
2018 IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems  
For a single transistor, the subthreshold leakage, its body potential controlled by ABB, and its operation speed all are highly correlated.  ...  The estimation framework is embedded into the commercial behavioural-to-RT synthesiser tool PowerOpt, where the model predictions guide the synthesis of a SystemC/C++ system specification.  ...  The three levels of body-bias and supply voltage control (design-time, test-time, run-time) are supported by moving the ABB/DVS-optimisation engine to the adequate iteration loop.  ... 
doi:10.1109/tcad.2017.2760519 fatcat:kchk4i7pwrhndhlaqdy4mlui7m

Addressing computational and networking constraints to enable video streaming from wireless appliances

S. Chandra, S. Dey
2005 3rd Workshop on Embedded Systems for Real-Time Multimedia, 2005.  
In [86] , the authors propose variability-aware DVFS algorithms in multi-core systems while accounting for core-to-core variations.  ...  In [75] , the authors propose a combination of dynamic voltage scaling (DVS) and adaptive body biasing (ABB) to maximize the energy savings.  ...  These models are used along with Monte Carlo sampling to design the variation-aware set of voltages.  ... 
doi:10.1109/estmed.2005.1518064 dblp:conf/estimedia/ChandraD05 fatcat:3kjqqg4gkvaj7gnganjbm6q4pe
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