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Automatic performance setting for dynamic voltage scaling

Krisztián Flautner, Steve Reinhardt, Trevor Mudge
2001 Proceedings of the 7th annual international conference on Mobile computing and networking - MobiCom '01  
In this paper, we describe a novel software approach to automatically controlling dynamic voltage scaling in order to optimize energy use.  ...  The emphasis on processors that are both low power and high performance has resulted in the incorporation of dynamic voltage scaling into processor designs.  ...  Acknowledgements We thank Trevor Pering, Mike Morrow, and Shekhar Borkar of Intel for comments on an early draft of this paper and for helping us develop a realistic processor model.  ... 
doi:10.1145/381677.381702 dblp:conf/mobicom/FlautnerRM01 fatcat:zjcd2oemx5arhdije24ui7alya

Automatic adaptation of model neurons and connections to build hybrid circuits with living networks [article]

Manuel Reyes-Sanchez, Rodrigo Amaducci, Irene Elices, Francisco B. Rodríguez, Pablo Varona
2018 bioRxiv   pre-print
The algorithms perform model time and amplitude scaling, drift compensation, goal-driven synaptic and model tuning/calibration and also automatic parameter mapping.  ...  In this paper, we present a set of algorithms for the automatic adaptation of model neurons and connections in the creation of hybrid circuits with living neural networks.  ...  These algorithms perform automatic calibrations and dynamic adaptations of time, voltage amplitude/offset, and current scales to implement open-and closed-loop interactions with living neurons in real  ... 
doi:10.1101/419622 fatcat:qptyo2ufzjfmhj3rvohxb6opue

A 175-MV multiply-accumulate unit using an adaptive supply voltage and body bias architecture

J.T. Kao, M. Miyazaki, A.R. Chandrakasan
2002 IEEE Journal of Solid-State Circuits  
Index Terms-Active power, adaptive body biasing, body biasing, dynamic power, dynamic voltage scaling, low power, subthreshold leakage, triple well.  ...  This research develops a theoretical model to predict how dynamic power and subthreshold power must be balanced to give an optimal operating point that minimizes total active power consumption for different  ...  ., for fabricating the test chip.  ... 
doi:10.1109/jssc.2002.803957 fatcat:3frhatf6q5genpkbhmbs6ow7ym

Automatic Calibration of Frequency Compensation System in Computer-Controlled Patch-Clamp Amplifier

Jun Xiong, Gang Hu, Anlian Qu
2007 Journal of Computer Science  
And automatic adjustment of the parameters in transient response correction stage was performed as a least squares fitting problem.  ...  In order to effectively improve the performance of the headstage, the paper advanced a simplified automatic calibration method of frequency compensation system in resistorfeedback patch-clamp amplifier  ...  Here we used a simplified automatic calibration method to perform adjustment of the frequency compensation system on the basis of the approximate dynamic model of headstage and Sigworth's work.  ... 
doi:10.3844/jcssp.2007.765.772 fatcat:z4aom5naafd6pl3cf4cbrdekza

Run-time power and performance scaling with CPU-FPGA hybrids

Jose Nunez-Yanez, Arash Beldachi
2014 2014 NASA/ESA Conference on Adaptive Hardware and Systems (AHS)  
Adaptive voltage and frequency scaling obtained with embedded in-situ detectors is employed to scale performance and power in the FPGA fabric under processor control.  ...  Keywords-FPGA, energy efficient design, adaptive voltage scaling, energy propotional computing I. ~ 100% ~ 65% Performance increase Energy reduction  ...  A dynamic voltage scaling strategy for commercial FPGAs that aims to minimise power consumption for a giving task is presented in their work.  ... 
doi:10.1109/ahs.2014.6880158 dblp:conf/ahs/Nunez-YanezB14 fatcat:jqbbyaevqrbofc6ovenbg5giyu

Dynamic voltage and frequency scaling circuits with two supply voltages

Wayne H. Cheng, Bevan M. Baas
2008 2008 IEEE International Symposium on Circuits and Systems  
This paper presents circuits that enable dynamic voltage and frequency scaling (DVFS) for finegrained chip multi-processors to reduce both dynamic and leakage power dissipation.  ...  Switching between power supplies is performed dynamically, where scaling decisions are based on each processor's workload, allowing for reduced power consumption without a significant impact on performance  ...  Therefore, voltage scaling is performed automatically depending on the frequency setting of the processor. V.  ... 
doi:10.1109/iscas.2008.4541648 dblp:conf/iscas/ChengB08 fatcat:5herufwiczdqzfye4ui23wi53a

Comparison of TDNN and RNN performances for neuro-identification on small to medium-sized power systems

Diogenes Molina, Jiaqi Liang, Ron Harley, Ganesh K. Venayagamoorthy
2011 2011 IEEE Symposium on Computational Intelligence Applications In Smart Grid (CIASG)  
Distributed and centralized approaches for scaling up are taken and the pros and cons of each are presented. The New England/New York 68-bus power network is used as the test bed for the studies.  ...  For Artificial Neural Networks (ANN) to become more widely used in power systems and the future smart grids, ANN based algorithms must be capable of scaling up as they try to identify and control larger  ...  : the terminal voltage set point to the automatic voltage regulator, and the active power output set point to the governor.  ... 
doi:10.1109/ciasg.2011.5953344 dblp:conf/ciasg/MolinaLHV11 fatcat:eby42bse7nfmrkww4mkovhlb74

E-RoC: Embedded RAIDs-on-Chip for low power distributed dynamically managed reliable memories

L A D Bathen, N D Dutt
2011 2011 Design, Automation & Test in Europe  
The dual effects of larger die sizes and technology scaling, combined with aggressive voltage scaling for power reduction, increase the error rates for on-chip memories.  ...  We exploit aggressive voltage scaling to reduce power consumption overheads due to parallel DSPAM accesses, and rely on the E-RoC manager to automatically handle any resulting voltage-scalinginduced errors  ...  Thus in the E-RAID context, we use customized, reliable E-RAID levels to automatically handle the errors generated by aggressive voltage scaling of the memories.  ... 
doi:10.1109/date.2011.5763191 dblp:conf/date/BathenD11 fatcat:jkjppquw2neo5izsphpwdxpxka

Battery-Aware Multimedia Coding Optimization by Dynamic Frequency Scaling

Jianxin Sun, Xueyi Wang, Song Ci
2011 2011 Proceedings of 20th International Conference on Computer Communications and Networks (ICCCN)  
Index Terms-battery-aware, multimedia, video coding, H.264, dynamic frequency scaling.  ...  In this paper, we propose a battery-aware optimization framework toward the H.264 video coding by applying dynamic frequency scaling on hardware platform.  ...  Then the dynamic frequency scaling operator in the encoder automatically apply a priority oriented policy to execute the video coding.  ... 
doi:10.1109/icccn.2011.6006067 dblp:conf/icccn/SunWC11 fatcat:mtvhm7jyynbspdgxvuyvi5proa


2019 International Journal of Mechatronics and Applied Mechanics  
A dynamic scale synthesis method considering both kinematics and rigid body dynamics characteristics is proposed. Characteristics are formed in dynamic evaluation index and performance constraints.  ...  The integrated optimization design method of multi-variables based on dynamic scale synthesis, dynamic optimization design and optimal trajectory planning is realized.  ...  By investigating the influence of scale parameters on the dynamic evaluation index under the constraint of kinematics performance, the optimal scale parameters considering both kinematics and dynamic performance  ... 
doi:10.17683/ijomam/issue6.43 fatcat:7fgyqwx3ajg4xlvaqxm2zxhutu


2007 Journal of Circuits, Systems and Computers  
Dynamic voltage scaling 27 Dynamic voltage scaling is a technique that varies the supply voltage and clock frequency based on the computation load to provide desired performance with the 29 minimal amount  ...  We propose a general approach that monitors the performance gain and transfers it into power and energy saving at run-9 time by dynamic voltage scaling (DVS).  ...  For each application, the column in bold 21 identifies the voltage setting for static voltage scaling that achieves the same (or close) performance as NP, the run at reference 1.6 V voltage without prefetching  ... 
doi:10.1142/s0218126607003964 fatcat:nggfxz24abe4vpay6ptr5bzp2i

Run-Time Power Modelling in Embedded GPUs with Dynamic Voltage and Frequency Scaling [article]

Jose Nunez-Yanez, Kris Nikov, Kerstin Eder, Mohammad Hosseinabady
2020 arXiv   pre-print
These optimized models are then compared with a simpler unified model that uses a single set of model coefficients for all frequency and voltage points of interest.  ...  This paper investigates the application of a robust CPU-based power modelling methodology that performs an automatic search of explanatory events derived from performance counters to embedded GPUs.  ...  The scaling is done based on how voltage and frequency affect the dynamic and static power of a chip. Dynamic power is proportional to the voltage square and frequency.  ... 
arXiv:2006.12176v1 fatcat:l2dqs6qw2vckzkao4dnlhrlzrq

Supervisory hybrid model predictive control for voltage stability of power networks

R.R. Negenborn, A.G. Beccuti, T. Demiray, S. Leirens, G. Damm, B. De Schutter, M. Morari
2007 American Control Conference (ACC)  
Emergency voltage control problems in electric power networks have stimulated the interest for the implementation of online optimal control techniques.  ...  For a particular network, a supervisory control strategy based on model predictive control is proposed, which provides at discrete time steps inputs and set-points to lower-layer primary controllers based  ...  Hug-Glanzmann for her useful comments.  ... 
doi:10.1109/acc.2007.4282264 dblp:conf/acc/NegenbornBDLDSM07 fatcat:n55vtwjazrdqxd6zlm5eq3yxfu

Dynamic voltage and frequency scaling for low-power multi-precision reconfigurable multiplier

Xiaoxiao Zhang, Amine Bermak, Farid Boussaid
2010 Proceedings of 2010 IEEE International Symposium on Circuits and Systems  
The proposed multi-precision multiplier enables voltage and frequency scaling for low power operation, while still maintaining full throughput.  ...  According to user's arbitrary throughput requirements, the highly dynamic voltage and frequency scaling circuits can autonomously configure the multiplier to operate with the lowest possible voltage and  ...  Dynamic voltage scaling (DVS) saves energy by scaling down the voltage supply when the processor is not fully loaded.  ... 
doi:10.1109/iscas.2010.5537095 dblp:conf/iscas/ZhangBB10 fatcat:ketceihltfeenbpgueiepxpfla

An 8–16 Gb/s, 0.65–1.05 pJ/b, Voltage-Mode Transmitter With Analog Impedance Modulation Equalization and Sub-3 ns Power-State Transitioning

Young-Hoon Song, Hae-Woong Yang, Hao Li, Patrick Yin Chiang, Samuel Palermo
2014 IEEE Journal of Solid-State Circuits  
Energy efficiency is further improved with capacitively driven low-swing global clock distribution and supply scaling at lower data rates, while output eye quality is maintained at low voltages with automatic  ...  Serial link transmitters which efficiently incorporate equalization, while also enabling fast power-state transitioning to leverage dynamic power scaling, are necessary to meet future systems' I/O requirements  ...  Improved dynamic power consumption is achieved with aggressive supply scaling at lower data rates, while automatic quadrature phase calibration allows for uniform output eyes at low voltages.  ... 
doi:10.1109/jssc.2014.2353795 fatcat:h42qywu5u5blvf5pzsyivazqbm
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