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Variation-aware dynamic voltage/frequency scaling

Sebastian Herbert, Diana Marculescu
2009 2009 IEEE 15th International Symposium on High Performance Computer Architecture  
Fine-grained dynamic voltage/frequency scaling (DVFS) is an important tool in managing the balance between power and performance in chip-multiprocessors.  ...  For a design with per-core voltage/frequency islands (VFIs), the mean power per unit throughput for a simple threshold-based controller is reduced by 8.0% when variability-awareness is added.  ...  Introduction Dynamic voltage/frequency scaling (DVFS) is a popular method for improving microprocessor energy-efficiency.  ... 
doi:10.1109/hpca.2009.4798265 dblp:conf/hpca/HerbertM09 fatcat:zw6d25bcp5cdlotqqvw6gdx3gq

Thermal-aware dynamic voltage frequency scaling for many-core processors under process variations

Hyejeong Hong, Jaeil Lim, Hyunyul Lim, Sungho Kang
2013 IEICE Electronics Express  
Experiments showed that the proposed dynamic voltage frequency scaling consumes up to 25.2% less energy than the existing thermal management technique while remaining the ratio of peak temperature violations  ...  Adaptive voltage scaling can hide the variations, but that results in the different thermal characteristics of cores.  ...  Exploiting the thermal characteristics that are obtained statically can improve both the energy efficiency and temperature management. 2 Thermal-aware dynamic voltage frequency scaling We assume homogeneous  ... 
doi:10.1587/elex.10.20130463 fatcat:y7exj4dcczgbznh4tml7lsduuq

Energy-Aware Scheduling using Dynamic Voltage-Frequency Scaling [article]

Masnida Emami, Yashar Ghiasi, Nasrin Jaberi
2012 arXiv   pre-print
In response to this, many energy-aware scheduling algorithms have been developed primarily by using the dynamic voltage-frequency scaling (DVFS) capability incorporated in recent commodity processors.  ...  Dynamic voltage-frequency scaling (DVFS) is perhaps the most appealing method incorporated into many recent processors.  ...  For each application, a large number of variations in the number of tasks, number of processors and different characteristics of processors were applied to simulations.  ... 
arXiv:1206.1984v1 fatcat:nz3wjlutrvccrnt7hlnoxphj6u

A comparative study of voltage/frequency scaling in NoC

Saeeda Usman, Samee U. Khan, Sikandar Khan
2013 IEEE International Conference on Electro-Information Technology , EIT 2013  
Index Terms-Network-on-chip, dynamic voltage and frequency scaling, leakage power  ...  Voltage and frequency is dynamically scaled to produce energy efficient multi-core networkon-chip (NoC).  ...  However, if the ratio of voltage/frequency scaling is not linear, then a reprogramming of the delay line has to be incorporated.  ... 
doi:10.1109/eit.2013.6632716 dblp:conf/eit/UsmanKK13 fatcat:o6pxc4vvnjenboa7ljblpnr3ia

Process Variation Aware SRAM/Cache for aggressive voltage-frequency scaling

A. Sasan, H. Homayoun, A. Eltawil, F. Kurdahi
2009 2009 Design, Automation & Test in Europe Conference & Exhibition  
this paper proposes a novel Process Variation Aware SRAM architecture designed to inherently support voltage scaling.  ...  Low voltage operation achieves more than 40% reduction in dynamic power consumption and approximately 50% reduction in leakage power consumption.  ...  Typically, the input to the Nand-gate will be from a defect map that stores the results of a BIST run that is performed for each new setting of voltage, frequency and temperature.  ... 
doi:10.1109/date.2009.5090795 dblp:conf/date/SasanHEK09 fatcat:3t5rbq7aenavfpfe6ug75zyhre

Dynamic voltage frequency scaling-aware refresh management for 3D DRAM over processor architecture

J. Lim, H. Kim, H. Oh, S. Kang
2017 Electronics Letters  
In this Letter, a thermally aware refresh-control method that accounts for abrupt changes in temperature and thermal distribution using low-power techniques such as dynamic voltage frequency scaling is  ...  Dynamic voltage frequency scaling (DVFS) is a well-known low-power solution for processor systems in which the voltage and frequency of the circuit are dynamically adjusted.  ...  Dynamic voltage frequency scaling (DVFS) is a well-known low-power solution for processor systems in which the voltage and frequency of the circuit are dynamically adjusted.  ... 
doi:10.1049/el.2017.1243 fatcat:kpgcwneolzen3b2ycquizmghua

Process variation aware performance modeling and dynamic power management for multi-core systems

Siddharth Garg, Diana Marculescu, Sebastian X. Herbert
2010 2010 IEEE/ACM International Conference on Computer-Aided Design (ICCAD)  
and dynamic power reduction.  ...  In this work, we present some promising, recently proposed solutions to mitigate the impact of process variations on multi-core platforms that deal with variability aware performance modeling, and static  ...  Dynamic voltage/frequency scaling (DVFS) is a popular method for exploiting this observation and is implemented in virtually all commercial microprocessors.  ... 
doi:10.1109/iccad.2010.5654293 dblp:conf/iccad/GargMH10 fatcat:mhb3osfshbeozj4qp7fivo66iq

Towards Dynamic Voltage/Frequency Scaling for Power Reduction in Data Centers

Cong Feng Jiang, Ying Hui Zhao, Jian Wan
2010 Applied Mechanics and Materials  
Conventional power reduction techniques such as dynamic voltage/frequency scaling (DVS/DFS) have disadvantages when they are ported to current data centers with virtualization deployments.  ...  Existing Dynamic Voltage/Frequency Scaling Algorithms Power consumption is always one of main concerns to the designers of processors.  ...  Fine-grained dynamic voltage/frequency scaling is an important tool in managing the balance between power and performance in chip-multiprocessors [20, 21] .  ... 
doi:10.4028/www.scientific.net/amm.20-23.1148 fatcat:fyw57sfzbbcqxkdxfjz4lqsm2y

Energy Optimization in Commercial FPGAs with Voltage, Frequency and Logic Scaling

Jose Luis Nunez-Yanez, Mohammad Hosseinabady, Arash Beldachi
2016 IEEE transactions on computers  
Section 2 Energy Optimization in Commercial FPGAs with Voltage, Frequency and Logic Scaling describes related work.  ...  Section 4 presents the power adaptive architecture that allows the device to dynamically regulate its voltage, frequency and logic complexity.  ... 
doi:10.1109/tc.2015.2435771 fatcat:ydgsir3i3bbvtibbbiamdrica4

Design and Management of Voltage-Frequency Island Partitioned Networks-on-Chip

Umit Y. Ogras, Radu Marculescu, Diana Marculescu, Eun Gu Jung
2009 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
Index Terms-Energy and power consumption, multiprocessor systems-on-chip (MPSoCs), networks-on-chip (NoCs), voltage-frequency islands (VFIs).  ...  To deal with these issues, we consider network-on-chip (NoC) architectures partitioned into several voltage-frequency islands (VFIs) and propose a design methodology for runtime energy management.  ...  This online feedback control strategy adjusts the static voltage/frequency values found in Section III to dynamic workload variation and parameter variations unknown at design time. V.  ... 
doi:10.1109/tvlsi.2008.2011229 fatcat:huezbnlprveotcbyqofg5npz6u

Carbon-Efficient Virtual Machine Placement Based on Dynamic Voltage Frequency Scaling in Geo-Distributed Cloud Data Centers

T. Renugadevi, K. Geetha, Natarajan Prabaharan, Pierluigi Siano
2020 Applied Sciences  
Dynamic voltage frequency scaling (DVFS) can be applied to control the operating frequencies of the servers based on the workloads assigned to them, as this approach has a cubic increment relationship  ...  The cluster selection is also extended to non-DVFS host selection policies, namely the carbon- and power-efficient (C-PE) algorithm, carbon-aware first-fit (C-FF) algorithm, and carbon-aware first-fit  ...  Thus, it is vital to perform a quantitative analysis of the association between dynamic voltage frequency scaling (DVFS) and power consumption to optimize the use of servers [11] .  ... 
doi:10.3390/app10082701 fatcat:lh6qkk2o7fgijcekvw7uep5qym

Dynamic Voltage-Frequency and Workload Joint Scaling Power Management for Energy Harvesting Multi-Core WSN Node SoC

Xiangyu Li, Nijie Xie, Xinyue Tian
2017 Sensors  
The solution consists of a heterogeneous multi-core system oriented task scheduling algorithm and a low-complexity dynamic workload scaling and configuration optimization algorithm suitable for light-weight  ...  This kind of system usually adopts dynamic voltage-frequency scaling (DVFS) and some other low power techniques to improve its energy efficiency, thus has multiple power states.  ...  The combination of the voltage/frequency adjustment and the workload scaling can achieve a larger optimization space.  ... 
doi:10.3390/s17020310 pmid:28208730 pmcid:PMC5336092 fatcat:sjjprtmoxzbm7cq54vgyccz6xm

Power Management of Voltage/Frequency Island-Based Systems Using Hardware-Based Methods

P. Choudhary, D. Marculescu
2009 IEEE Transactions on Very Large Scale Integration (vlsi) Systems  
Index Terms-Dynamic voltage and frequency scaling (DVFS), globally asynchronous locally synchronous (GALS), power management, voltage-frequency islands (VFIs).  ...  The work presented in this paper proposes a new hardware-based approach to dynamically change the frequencies and potentially voltages of a voltage-frequency island (VFI) system driven by a dynamic workload  ...  Voltage-frequency islands (VFIs) not only enable frequency scaling, but also voltage scaling.  ... 
doi:10.1109/tvlsi.2008.2005309 fatcat:lt2pjswb4zcl5i4aypefr3mrwa

On the Interplay of Voltage/Frequency Scaling and Device Power Management for Frame-Based Real-Time Embedded Applications

Vinay Devadas, Hakan Aydin
2012 IEEE transactions on computers  
Voltage/Frequency Scaling (VFS) and Device Power Management (DPM) are two popular techniques commonly employed to save energy in real-time embedded systems.  ...  Specifically, by adopting a generalized system-level energy model, we characterize the variations in different components of the system energy as a function of the CPU processing frequency.  ...  Voltage/Frequency Scaling (VFS) [31] is a popular and widely used technique for power management in real-time embedded systems.  ... 
doi:10.1109/tc.2010.248 fatcat:jocsut4clfhjpfadbgenjt5vlm

Runtime adaptive Dynamic Voltage Frequency Scaling technique for reducing the power consumption in Multi Processor System On Chip

M Jasmin
2019 JOURNAL OF MECHANICS OF CONTINUA AND MATHEMATICAL SCIENCES  
The methodologies to implement dynamic voltage and frequency scaling (DVFS) in digital design have been discussed.  ...  [VI] Beign et al [I] presented a power aware technique which is synchronous locally and asynchronous globally for NoC circuits for implementing dynamic voltage frequency scaling technique.  ...  In proposed work tree based matrix computation is employed and voltage/frequency scaling is integrated.  ... 
doi:10.26782/jmcms.spl.2019.08.00053 fatcat:6cgdpzgkrvdxzovced3okxlecu
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