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David Terei, Alex Aiken, Jan Vitek
2014 Proceedings of the 2014 international symposium on Memory management - ISMM '14  
We investigate whether this complexity is really necessary and show that by having a different (but wider) interface between the collector and the developer, we can achieve high performance with off-the-shelf  ...  We propose to assemble a memory manager out of multiple, simple collection strategies and to expose the choice of where to use those strategies in the program to the developer.  ...  Acknowledgments This work is funded by the DARPA Clean-Slate Design of Resilient, Adaptive, Secure Hosts (CRASH) program and by a gift from Google.  ... 
doi:10.1145/2602988.2602995 dblp:conf/iwmm/TereiAV14 fatcat:fcfoyo5vvnh6fkndwt3noae7u4

Using asymmetric cores to reduce power consumption for interactive devices with bi-stable displays

Jaeyeon Kihm, François V. Guimbretière, Julia Karl, Rajit Manohar
2014 Proceedings of the 32nd annual ACM conference on Human factors in computing systems - CHI '14  
Our study shows that in the case of high event rate interactions (pen inking and virtual keyboard), significant battery life gains (×1.7 and ×2.3 respectively) can be achieved with the helper core executing  ...  We revisit this approach by implementing a similar system on an off-theshelf application processor (TI OMAP4).  ...  , featuring two high-performance ARM Cortex-A9 (A9) cores and two low power ARM Cortex-M3 (M3) cores.  ... 
doi:10.1145/2556288.2557135 dblp:conf/chi/KihmGKM14 fatcat:vhgkfzqjircxfobj57qoy7scke

VaMV: Variability-aware Memory Virtualization

L. A. D. Bathen, N. D. Dutt, A. Nicolau, P. Gupta
2012 2012 Design, Automation & Test in Europe Conference & Exhibition (DATE)  
Each policy has different requirements (e.g., power, fault-tolerance) and is exploited by our dynamic memory management module (VaMVisor), which adapts to the underlying hardware, prioritizes the memory  ...  resources according to their characteristics (e.g., power consumption), and selectively maps data to the best-fitting memory resource (e.g., high-utilization data to low-power memory space).  ...  variability present in off-the-shelf off-chip memories.  ... 
doi:10.1109/date.2012.6176479 dblp:conf/date/BathenDNG12 fatcat:icvxfc7gffeknca4byw6pewe5q

A novel centralized slow control and board management solution for ATCA blades based on the Zynq Ultrascale+ System-on-Chip

Luis Ardila-Perez, André Cascadan, Luigi Calligaris, Denis Tcherniakhovski, Matthias Balzer, Marc Weber, Oliver Sander, C. Doglioni, D. Kim, G.A. Stewart, L. Silvestris, P. Jackson (+1 others)
2020 EPJ Web of Conferences  
Data acquisition systems (DAQ) for high energy physics experiments utilize complex FPGAs to handle unprecedented high data rates, especially in the first stages of the data processing chain.  ...  The complexity of developing and commissioning these systems increases as additional local processing intelligence is placed closer to the detector directly on the ATCA blades.  ...  Acknowledgments The authors wish to thank Andrew Rose and Gregory Iles for their valuable contribution in designing the Serenity board and for providing us with one of the first prototypes for validation  ... 
doi:10.1051/epjconf/202024501015 fatcat:vtv24qoasjay5pv2qfrbwwuv2u

Modular Development of Mobile Robots with Open Source Hardware and Software Components [chapter]

Martino Migliavacca, Andrea Bonarini, Matteo Matteucci
2014 Lecture Notes in Computer Science  
In this paper, we present Rapid Robot Prototyping (R2P ) , an open source, hardware and software architecture for the rapid prototyping of robotic applications, where off-the-shelf embedded modules (e.g  ...  R2P makes people involved in robotics, from researchers and designers to students and hobbyists, dramatically reduce the time and efforts required to build a robot prototype.  ...  This work has been partially supported by the research grant "Robotics for the Masses" from ST Microelectronics and Regione Lombardia, and by the Italian Ministry of University and Research (MIUR) through  ... 
doi:10.1007/978-3-662-44468-9_52 fatcat:it5sydorfbb7rnmbox3kldoioy

LIRA-V: Lightweight Remote Attestation for Constrained RISC-V Devices [article]

Carlton Shepherd, Konstantinos Markantonakis, Georges-Axel Jaloyan
2021 arXiv   pre-print
We present the design, implementation and evaluation of LIRA-V using an off-the-shelf RISC-V microcontroller and present performance results to demonstrate its suitability.  ...  We propose using read-only memory and the RISC-V Physical Memory Protection (PMP) primitive to build a trust anchor for remote attestation and secure channel creation.  ...  This work has received funding from the European Union's Horizon 2020 research and innovation programme under grant agreement No. 88315 (EXFILES).  ... 
arXiv:2102.08804v3 fatcat:ovadxwrlgvbcxlobktxf3s2alm

Comprehensive hardware and software support for operating systems to exploit MP memory hierarchies

Chun Xia, J. Torrellas
1999 IEEE transactions on computers  
Since many of the workloads running on these machines are operating-system intensive, we are interested in exploring the types of support for the operating system that the memory hierarchy of these machines  ...  In this paper, we evaluate a comprehensive set of hardware and software supports that minimize the performance losses for the operating system in a sophisticated cache hierarchy.  ...  NAG-1-613, and gifts from Intel and IBM.  ... 
doi:10.1109/12.769432 fatcat:4hbtey6n6jfpbpqef73xu6rame

Secure Firmware Updates for Constrained IoT Devices using Open Standards: A Reality Check

K. Zandberg, K. Schleiser, F. Acosta, H. Tschofenig, E. Baccelli
2019 IEEE Access  
We evaluate the performance of our implementation on a variety of commercial off-the-shelf constrained IoT devices.  ...  memory.  ...  ACKNOWLEDGEMENTS The authors would like to thank Alexandre Abadie, Francisco Molina and Gaëtan Harter for their help on hardware prototyping and build system tuning.  ... 
doi:10.1109/access.2019.2919760 fatcat:64plretunrg3xdqkxvefdr4qxu

ViPZonE: Hardware Power Variability-Aware Virtual Memory Management for Energy Savings

Mark Gottscho, Luis A.D. Bathen, Nikil Dutt, Alex Nicolau, Puneet Gupta
2015 IEEE transactions on computers  
We present ViPZonE, a memory management solution in conjunction with application annotations that opportunistically performs memory allocations to reduce DRAM energy.  ...  ViPZonE's components consist of a physical address space with DIMM-aware zones, a modified page allocation routine, and a new virtual memory system call for dynamic allocations from userspace.  ...  Recently, there have been several works which noted significant power variability in off-the-shelf parts. Hanson et al.  ... 
doi:10.1109/tc.2014.2329675 fatcat:wqdtleqzyzh5tadjocqt64bfpa

Underdesigned and Opportunistic Computing in Presence of Hardware Variability

Puneet Gupta, Yuvraj Agarwal, Lara Dolecek, Nikil Dutt, Rajesh K. Gupta, Rakesh Kumar, Subhasish Mitra, Alexandru Nicolau, Tajana Simunic Rosing, Mani B. Srivastava, Steven Swanson, Dennis Sylvester
2013 IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems  
Microelectronic circuits exhibit increasing variations in performance, power consumption, and reliability parameters across the manufactured parts and across use of these parts over time in the field.  ...  The envisioned underdesigned and opportunistic computing (UnO) machines face a number of challenges related to the sensing infrastructure and software interfaces that can effectively utilize the sensory  ...  In the remainder of this section, we give a few examples of variability measurement in modern off-the-shelf computing components. A.  ... 
doi:10.1109/tcad.2012.2223467 fatcat:gtncdvvjvvgjth6ihii7y24g54

On-site Waveform Characterization at Static Meters Loaded with Electrical Vehicle Chargers

Tom Hartman, Marc Pous, Marco A. Azpurua, Ferran Silva, Frank Leferink
2019 2019 International Symposium on Electromagnetic Compatibility - EMC EUROPE  
In previous studies it was shown that misreadings of the static meters occur when impulsive currents are drawn from the net, even with standalone commercial off the shelf equipment.  ...  To distinguish the impulsive nature of the waveforms a statistical approach is performed in the form of an amplitude probability distribution (APD) diagram.  ...  WAVEFORM CHARACTERIZATION Previously, static meter misreadings have been shown to exist, even with commercial off the shelf equipment.  ... 
doi:10.1109/emceurope.2019.8871469 fatcat:4426nuoucjdsxlxte5jkgsptp4

Experiences and Lessons Learned From Making IoT Sensing Platforms for Large-Scale Deployments

Xenofon Fafoutis, Atis Elsts, Robert Piechocki, Ian Craddock
2018 IEEE Access  
However, the unsatisfactory performance of the commercial off-the-shelf platform that was used for en- VOLUME 4, 2016 vironmental sensing led to the development of the SPHERE Environmental Sensor and  ...  orders; (iii) liaising with various PCB and enclosure manufacturers; (iv) packing and shipping electronic components; (v) storing and organising components and devices; (vi) procuring off-the-shelf parts  ... 
doi:10.1109/access.2017.2787418 fatcat:ds3xk3d7gjc7jaohmqcpqymm5e

Enabling ultra-low power operation in high-end wireless sensor networks nodes

Carlo Brandolese, William Fornaciari, Luigi Rucco, Federico Terraneo
2012 Proceedings of the eighth IEEE/ACM/IFIP international conference on Hardware/software codesign and system synthesis - CODES+ISSS '12  
memory, allowing to completely switch off the microcontroller.  ...  To balance performance offered by high-end microcontrollers with the need for ultra-low power operation-especially required by WSNsit is essential to minimize the duty cycle by keeping the microcontroller  ...  RELATED WORK Many sensor nodes are currently available off-the-shelf of two main classes: small, cheap and ultra-low power sensor nodes, on one hand, and costly, powerful high-end nodes, on the other.  ... 
doi:10.1145/2380445.2380513 dblp:conf/codes/BrandoleseFRT12 fatcat:k22ya2rford4zcwyzdagbz4cey

Novel 3U Stand-Alone CubeSat Architecture for Autonomous Near Earth Asteroid Fly-By

Stefano Casini, Iosto Fodde, Bert Monna, Angelo Cervone, Eberhard Gill
2020 Aerospace (Basel)  
The fast growth in small satellite commercial-off-the-shelf technologies, which characterized the last decade of space industry, is exploited to design a 3U CubeSat able to provide a basic scientific return  ...  First a typical asteroid fly-by mission is introduced together with the system and performance requirements.  ...  The latter exploits the use of commercial-off-the-shelf (COTS) components to limit the cost and time associated to the development and integration of new components.  ... 
doi:10.3390/aerospace8010009 fatcat:vaawz67a6jgm7gk4ezver3qugy

DesigningWearable Sensing Platforms for Healthcare in a Residential Environment

Xenofon Fafoutis, Antonis Vafeas, Balazs Janko, R. Simon Sherratt, James Pope, Atis Elsts, Evangelos Mellios, Geoffrey Hilton, George Oikonomou, Robert Piechocki, Ian Craddock
2017 EAI Endorsed Transactions on Pervasive Health and Technology  
Measurements on its wireless performance in a real residential environment with thick brick walls, demonstrate that SPW-2 can fully cover a room and -in most cases -the adjacent room, as well.  ...  Designed for minimum maintenance and a long-term operation outside the laboratory, SPW-2 is able to offer a battery lifetime of multiple months.  ...  Acknowledgment This work was performed under the SPHERE (a Sensor Platform for Healthcare in a Residential Environment) IRC funded by EPSRC, Grant EP/K031910/1.  ... 
doi:10.4108/eai.7-9-2017.153063 fatcat:asaq6vzt7bckreqpwq7sodptjm
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