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  Subjects -> COMPUTER SCIENCE (Total: 2052 journals)
    - ANIMATION AND SIMULATION (30 journals)
    - ARTIFICIAL INTELLIGENCE (99 journals)
    - AUTOMATION AND ROBOTICS (105 journals)
    - CLOUD COMPUTING AND NETWORKS (65 journals)
    - COMPUTER ARCHITECTURE (10 journals)
    - COMPUTER ENGINEERING (11 journals)
    - COMPUTER GAMES (15 journals)
    - COMPUTER PROGRAMMING (26 journals)
    - COMPUTER SCIENCE (1194 journals)
    - COMPUTER SECURITY (44 journals)
    - DATA BASE MANAGEMENT (14 journals)
    - DATA MINING (34 journals)
    - E-BUSINESS (22 journals)
    - E-LEARNING (29 journals)
    - ELECTRONIC DATA PROCESSING (23 journals)
    - IMAGE AND VIDEO PROCESSING (39 journals)
    - INFORMATION SYSTEMS (109 journals)
    - INTERNET (92 journals)
    - SOCIAL WEB (50 journals)
    - SOFTWARE (33 journals)
    - THEORY OF COMPUTING (8 journals)

COMPUTER SCIENCE (1194 journals)                  1 2 3 4 5 6 | Last

Showing 1 - 200 of 872 Journals sorted alphabetically
3D Printing and Additive Manufacturing     Full-text available via subscription   (Followers: 20)
Abakós     Open Access   (Followers: 4)
ACM Computing Surveys     Hybrid Journal   (Followers: 27)
ACM Journal on Computing and Cultural Heritage     Hybrid Journal   (Followers: 8)
ACM Journal on Emerging Technologies in Computing Systems     Hybrid Journal   (Followers: 12)
ACM Transactions on Accessible Computing (TACCESS)     Hybrid Journal   (Followers: 3)
ACM Transactions on Algorithms (TALG)     Hybrid Journal   (Followers: 15)
ACM Transactions on Applied Perception (TAP)     Hybrid Journal   (Followers: 5)
ACM Transactions on Architecture and Code Optimization (TACO)     Hybrid Journal   (Followers: 9)
ACM Transactions on Autonomous and Adaptive Systems (TAAS)     Hybrid Journal   (Followers: 7)
ACM Transactions on Computation Theory (TOCT)     Hybrid Journal   (Followers: 12)
ACM Transactions on Computational Logic (TOCL)     Hybrid Journal   (Followers: 3)
ACM Transactions on Computer Systems (TOCS)     Hybrid Journal   (Followers: 17)
ACM Transactions on Computer-Human Interaction     Hybrid Journal   (Followers: 15)
ACM Transactions on Computing Education (TOCE)     Hybrid Journal   (Followers: 5)
ACM Transactions on Design Automation of Electronic Systems (TODAES)     Hybrid Journal   (Followers: 4)
ACM Transactions on Economics and Computation     Hybrid Journal  
ACM Transactions on Embedded Computing Systems (TECS)     Hybrid Journal   (Followers: 3)
ACM Transactions on Information Systems (TOIS)     Hybrid Journal   (Followers: 19)
ACM Transactions on Intelligent Systems and Technology (TIST)     Hybrid Journal   (Followers: 7)
ACM Transactions on Interactive Intelligent Systems (TiiS)     Hybrid Journal   (Followers: 3)
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)     Hybrid Journal   (Followers: 9)
ACM Transactions on Reconfigurable Technology and Systems (TRETS)     Hybrid Journal   (Followers: 6)
ACM Transactions on Sensor Networks (TOSN)     Hybrid Journal   (Followers: 8)
ACM Transactions on Speech and Language Processing (TSLP)     Hybrid Journal   (Followers: 9)
ACM Transactions on Storage     Hybrid Journal  
ACS Applied Materials & Interfaces     Full-text available via subscription   (Followers: 29)
Acta Automatica Sinica     Full-text available via subscription   (Followers: 2)
Acta Informatica Malaysia     Open Access  
Acta Universitatis Cibiniensis. Technical Series     Open Access  
Ad Hoc Networks     Hybrid Journal   (Followers: 11)
Adaptive Behavior     Hybrid Journal   (Followers: 11)
Advanced Engineering Materials     Hybrid Journal   (Followers: 28)
Advanced Science Letters     Full-text available via subscription   (Followers: 10)
Advances in Adaptive Data Analysis     Hybrid Journal   (Followers: 7)
Advances in Artificial Intelligence     Open Access   (Followers: 15)
Advances in Calculus of Variations     Hybrid Journal   (Followers: 2)
Advances in Catalysis     Full-text available via subscription   (Followers: 5)
Advances in Computational Mathematics     Hybrid Journal   (Followers: 19)
Advances in Computer Engineering     Open Access   (Followers: 4)
Advances in Computing     Open Access   (Followers: 2)
Advances in Data Analysis and Classification     Hybrid Journal   (Followers: 51)
Advances in Engineering Software     Hybrid Journal   (Followers: 27)
Advances in Geosciences (ADGEO)     Open Access   (Followers: 13)
Advances in Human Factors/Ergonomics     Full-text available via subscription   (Followers: 22)
Advances in Human-Computer Interaction     Open Access   (Followers: 20)
Advances in Materials Sciences     Open Access   (Followers: 14)
Advances in Operations Research     Open Access   (Followers: 12)
Advances in Parallel Computing     Full-text available via subscription   (Followers: 6)
Advances in Porous Media     Full-text available via subscription   (Followers: 5)
Advances in Remote Sensing     Open Access   (Followers: 44)
Advances in Science and Research (ASR)     Open Access   (Followers: 6)
Advances in Technology Innovation     Open Access   (Followers: 5)
AEU - International Journal of Electronics and Communications     Hybrid Journal   (Followers: 8)
African Journal of Information and Communication     Open Access   (Followers: 9)
African Journal of Mathematics and Computer Science Research     Open Access   (Followers: 4)
AI EDAM     Hybrid Journal  
Air, Soil & Water Research     Open Access   (Followers: 11)
AIS Transactions on Human-Computer Interaction     Open Access   (Followers: 6)
Algebras and Representation Theory     Hybrid Journal   (Followers: 1)
Algorithms     Open Access   (Followers: 11)
American Journal of Computational and Applied Mathematics     Open Access   (Followers: 5)
American Journal of Computational Mathematics     Open Access   (Followers: 4)
American Journal of Information Systems     Open Access   (Followers: 5)
American Journal of Sensor Technology     Open Access   (Followers: 4)
Anais da Academia Brasileira de Ciências     Open Access   (Followers: 2)
Analog Integrated Circuits and Signal Processing     Hybrid Journal   (Followers: 7)
Analysis in Theory and Applications     Hybrid Journal   (Followers: 1)
Animation Practice, Process & Production     Hybrid Journal   (Followers: 5)
Annals of Combinatorics     Hybrid Journal   (Followers: 4)
Annals of Data Science     Hybrid Journal   (Followers: 11)
Annals of Mathematics and Artificial Intelligence     Hybrid Journal   (Followers: 12)
Annals of Pure and Applied Logic     Open Access   (Followers: 2)
Annals of Software Engineering     Hybrid Journal   (Followers: 13)
Annual Reviews in Control     Hybrid Journal   (Followers: 6)
Anuario Americanista Europeo     Open Access  
Applicable Algebra in Engineering, Communication and Computing     Hybrid Journal   (Followers: 2)
Applied and Computational Harmonic Analysis     Full-text available via subscription   (Followers: 1)
Applied Artificial Intelligence: An International Journal     Hybrid Journal   (Followers: 12)
Applied Categorical Structures     Hybrid Journal   (Followers: 2)
Applied Computational Intelligence and Soft Computing     Open Access   (Followers: 11)
Applied Computer Systems     Open Access   (Followers: 2)
Applied Informatics     Open Access  
Applied Mathematics and Computation     Hybrid Journal   (Followers: 33)
Applied Medical Informatics     Open Access   (Followers: 10)
Applied Numerical Mathematics     Hybrid Journal   (Followers: 5)
Applied Soft Computing     Hybrid Journal   (Followers: 16)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 4)
Applied System Innovation     Open Access  
Architectural Theory Review     Hybrid Journal   (Followers: 3)
Archive of Applied Mechanics     Hybrid Journal   (Followers: 5)
Archive of Numerical Software     Open Access  
Archives and Museum Informatics     Hybrid Journal   (Followers: 145)
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 5)
arq: Architectural Research Quarterly     Hybrid Journal   (Followers: 7)
Artifact     Hybrid Journal   (Followers: 2)
Artificial Life     Hybrid Journal   (Followers: 7)
Asia Pacific Journal on Computational Engineering     Open Access  
Asia-Pacific Journal of Information Technology and Multimedia     Open Access   (Followers: 1)
Asian Journal of Computer Science and Information Technology     Open Access  
Asian Journal of Control     Hybrid Journal  
Assembly Automation     Hybrid Journal   (Followers: 2)
at - Automatisierungstechnik     Hybrid Journal   (Followers: 1)
Australian Educational Computing     Open Access   (Followers: 1)
Automatic Control and Computer Sciences     Hybrid Journal   (Followers: 4)
Automatic Documentation and Mathematical Linguistics     Hybrid Journal   (Followers: 5)
Automatica     Hybrid Journal   (Followers: 11)
Automation in Construction     Hybrid Journal   (Followers: 6)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 9)
Basin Research     Hybrid Journal   (Followers: 5)
Behaviour & Information Technology     Hybrid Journal   (Followers: 52)
Big Data and Cognitive Computing     Open Access   (Followers: 2)
Biodiversity Information Science and Standards     Open Access  
Bioinformatics     Hybrid Journal   (Followers: 293)
Biomedical Engineering     Hybrid Journal   (Followers: 15)
Biomedical Engineering and Computational Biology     Open Access   (Followers: 13)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 21)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 37)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 47)
British Journal of Educational Technology     Hybrid Journal   (Followers: 145)
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 12)
c't Magazin fuer Computertechnik     Full-text available via subscription   (Followers: 1)
CALCOLO     Hybrid Journal  
Calphad     Hybrid Journal   (Followers: 2)
Canadian Journal of Electrical and Computer Engineering     Full-text available via subscription   (Followers: 15)
Capturing Intelligence     Full-text available via subscription  
Catalysis in Industry     Hybrid Journal   (Followers: 1)
CEAS Space Journal     Hybrid Journal   (Followers: 2)
Cell Communication and Signaling     Open Access   (Followers: 2)
Central European Journal of Computer Science     Hybrid Journal   (Followers: 5)
CERN IdeaSquare Journal of Experimental Innovation     Open Access   (Followers: 3)
Chaos, Solitons & Fractals     Hybrid Journal   (Followers: 3)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 14)
ChemSusChem     Hybrid Journal   (Followers: 7)
China Communications     Full-text available via subscription   (Followers: 7)
Chinese Journal of Catalysis     Full-text available via subscription   (Followers: 2)
CIN Computers Informatics Nursing     Full-text available via subscription   (Followers: 11)
Circuits and Systems     Open Access   (Followers: 15)
Clean Air Journal     Full-text available via subscription   (Followers: 1)
CLEI Electronic Journal     Open Access  
Clin-Alert     Hybrid Journal   (Followers: 1)
Cluster Computing     Hybrid Journal   (Followers: 1)
Cognitive Computation     Hybrid Journal   (Followers: 4)
COMBINATORICA     Hybrid Journal  
Combinatorics, Probability and Computing     Hybrid Journal   (Followers: 4)
Combustion Theory and Modelling     Hybrid Journal   (Followers: 14)
Communication Methods and Measures     Hybrid Journal   (Followers: 12)
Communication Theory     Hybrid Journal   (Followers: 21)
Communications Engineer     Hybrid Journal   (Followers: 1)
Communications in Algebra     Hybrid Journal   (Followers: 3)
Communications in Computational Physics     Full-text available via subscription   (Followers: 2)
Communications in Partial Differential Equations     Hybrid Journal   (Followers: 3)
Communications of the ACM     Full-text available via subscription   (Followers: 52)
Communications of the Association for Information Systems     Open Access   (Followers: 16)
COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering     Hybrid Journal   (Followers: 3)
Complex & Intelligent Systems     Open Access   (Followers: 1)
Complex Adaptive Systems Modeling     Open Access  
Complex Analysis and Operator Theory     Hybrid Journal   (Followers: 2)
Complexity     Hybrid Journal   (Followers: 6)
Complexus     Full-text available via subscription  
Composite Materials Series     Full-text available via subscription   (Followers: 8)
Computación y Sistemas     Open Access  
Computation     Open Access   (Followers: 1)
Computational and Applied Mathematics     Hybrid Journal   (Followers: 2)
Computational and Mathematical Methods in Medicine     Open Access   (Followers: 2)
Computational and Mathematical Organization Theory     Hybrid Journal   (Followers: 2)
Computational and Structural Biotechnology Journal     Open Access   (Followers: 2)
Computational and Theoretical Chemistry     Hybrid Journal   (Followers: 9)
Computational Astrophysics and Cosmology     Open Access   (Followers: 1)
Computational Biology and Chemistry     Hybrid Journal   (Followers: 11)
Computational Chemistry     Open Access   (Followers: 2)
Computational Cognitive Science     Open Access   (Followers: 2)
Computational Complexity     Hybrid Journal   (Followers: 4)
Computational Condensed Matter     Open Access  
Computational Ecology and Software     Open Access   (Followers: 9)
Computational Economics     Hybrid Journal   (Followers: 9)
Computational Geosciences     Hybrid Journal   (Followers: 16)
Computational Linguistics     Open Access   (Followers: 23)
Computational Management Science     Hybrid Journal  
Computational Mathematics and Modeling     Hybrid Journal   (Followers: 8)
Computational Mechanics     Hybrid Journal   (Followers: 5)
Computational Methods and Function Theory     Hybrid Journal  
Computational Molecular Bioscience     Open Access   (Followers: 2)
Computational Optimization and Applications     Hybrid Journal   (Followers: 7)
Computational Particle Mechanics     Hybrid Journal   (Followers: 1)
Computational Research     Open Access   (Followers: 1)
Computational Science and Discovery     Full-text available via subscription   (Followers: 2)
Computational Science and Techniques     Open Access  
Computational Statistics     Hybrid Journal   (Followers: 14)
Computational Statistics & Data Analysis     Hybrid Journal   (Followers: 30)
Computer     Full-text available via subscription   (Followers: 94)
Computer Aided Surgery     Open Access   (Followers: 6)
Computer Applications in Engineering Education     Hybrid Journal   (Followers: 8)
Computer Communications     Hybrid Journal   (Followers: 16)
Computer Journal     Hybrid Journal   (Followers: 9)
Computer Methods in Applied Mechanics and Engineering     Hybrid Journal   (Followers: 23)
Computer Methods in Biomechanics and Biomedical Engineering     Hybrid Journal   (Followers: 12)
Computer Methods in the Geosciences     Full-text available via subscription   (Followers: 2)
Computer Music Journal     Hybrid Journal   (Followers: 19)
Computer Physics Communications     Hybrid Journal   (Followers: 7)

        1 2 3 4 5 6 | Last

Journal Cover
ACM Transactions on Embedded Computing Systems (TECS)
Journal Prestige (SJR): 0.32
Citation Impact (citeScore): 2
Number of Followers: 3  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1539-9087 - ISSN (Online) 1558-3465
Published by ACM Homepage  [45 journals]
  • ACM Transactions on Embedded Computing Systems (TECS) Volume 17 Issue 3,
           May 2018 (Issue-in-Progress)
    • PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Editorial: To Use or Not To' Embedded Systems for Voting
    • Abstract: Sandeep K. Shukla


      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • PTAT: An Efficient and Precise Tool for Tracing and Profiling Detailed TLB
           Misses
    • Abstract: Jiutian Zhang, Yuhang Liu, Haifeng Li, Xiaojing Zhu, Mingyu Chen

      As the memory access footprints of applications in areas like data analytics increase, the latency overhead of translation lookaside buffer (TLB) misses increases. Thus, the efficiency of TLB becomes increasingly critical for overall system performance. Analyzing TLB miss traces is useful for hardware architecture design and software application optimization. Utilizing cycle-accurate simulators or instrumentation tools is very time-consuming and/or inaccurate for tracing and profiling TLB misses. In this article, we propose an efficient and precise tool to collect and profile last-level TLB misses. This tool utilizes a novel software method called Page Table Access Tracing (PTAT), storing last-level page table entries of certain workload processes into a reserved uncached memory region.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Dynamic Energy Management of FPGA Accelerators in Embedded Systems
    • Abstract: Mohammad Hosseinabady, Jose Luis Nunez-Yanez

      In this article, we investigate how to utilise an Field-Programmable Gate Array (FPGA) in an embedded system to save energy. For this purpose, we study the energy efficiency of a hybrid FPGA-CPU device that can switch task execution between hardware and software with a focus on periodic tasks. To increase the applicability of this task switching, we also consider the voltage and frequency scaling (VFS) applied to the FPGA to reduce the system energy consumption. We show that in some cases, if the task’s period is higher than a specific level, the FPGA accelerator cannot reduce the energy consumption associated to the task and the software version is the most energy efficient option.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Compact Software Implementation of Public-Key Cryptography on MSP430X
    • Abstract: Hwajeong Seo

      On the low-end embedded processors, the implementations of Elliptic Curve Cryptography (ECC) are considered to be a challenging task due to the limited computation power and storage of the low-end embedded processors. Particularly, the multi-precision multiplication and squaring operations are the most expensive operations for ECC implementations. In order to enhance the performance, many works presented efficient multiplication and squaring routines on the target devices. Recent works show that 128-bit security level ECC is available within a second and this is practically fast enough for IoT services. However, previous approaches missed the other important storage issues (i.e., program size, ROM). Considering that the embedded processors only have a few KB ROM, we need to pay attention to the compact ROM size with reasonable performance.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Algorithm/Architecture Co-optimisation Technique for Automatic Data
           Reduction of Wireless Read-Out in High-Density Electrode Arrays
    • Abstract: Yahya H. Yassin, Francky Catthoor, Fabian Kloosterman, Jyh-Jang Sun, JoãO Couto, Per Gunnar Kjeldsberg, Nick Van Helleputte

      High-density electrode arrays used to read out neural activity will soon surpass the limits of the amount of data that can be transferred within reasonable energy budgets. This is true for wired brain implants when the required bandwidth becomes very high, and even more so for untethered brain implants that require wireless transmission of data. We propose an energy-efficient spike data extraction solution for high-density electrode arrays, capable of reducing the data to be transferred by over 85%. We combine temporal and spatial spike data analysis with low implementation complexity, where amplitude thresholds are used to detect spikes and the spatial location of the electrodes is used to extract potentially useful sub-threshold data on neighboring electrodes.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Runtime Precomputation of Data-Dependent Parameters in Embedded Systems
    • Abstract: Elena Hammari, Per Gunnar Kjeldsberg, Francky Catthoor

      In many modern embedded systems, the available resources (e.g., CPU clock cycles, memory, and energy) are consumed nonuniformly while the system is under exploitation. Typically, the resource requirements in the system change with different input data that the system process. These data trigger different parts of the embedded software, resulting in different operations executed that require different hardware platform resources to be used. A significant research effort has been dedicated to develop mechanisms for runtime resource management (e.g., branch prediction for pipelined processors, prefetching of data from main memory to cache, and scenario-based design methodologies). All these techniques rely on the availability of information at runtime about upcoming changes in resource requirements.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Self-Adaptive Filtering Algorithm with PCM-Based Memory Storage System
    • Abstract: Su-Kyung Yoon, Jitae Yun, Jung-Geun Kim, Shin-Dug Kim

      This article proposes a new phase change memory– (PCM) based memory storage architecture with associated self-adaptive data filtering for various embedded devices to support energy efficiency as well as high computing power. In this approach, PCM-based memory storage can be used as working memory and mass storage layers simultaneously, and a self-adaptive data filtering module composed of small DRAM dual buffers was designed to improve unfavorable PCM features, such as asymmetric read/write access latencies and limited endurance and enhance spatial/temporal localities. In particular, the self-adaptive data filtering algorithm enhances data reusability by screening potentially high reusable data and predicting adequate lifetime of those data depending on current victim time decision value.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Extended Redundant-Digit Instruction Set for Energy-Efficient Processors
    • Abstract: Saba Amanollahi, Ghassem Jaberipur

      The impact of extending the instruction set architecture (ISA) of a conventional binary processor by a set of redundant-digit arithmetic instructions is studied. Selected binary arithmetic instructions within a given code sequence are replaced with appropriate redundant-digit ones. The selection criteria is so enforced to lead to overall reduction of execution energy and energy-delay product (EDP). A special branch and bound algorithm is devised to modify the dataflow graph (DFG) to a new one that takes advantage of the extended redundant-digit instruction set. The DFG is obtained, via an in-house tool, from the intermediate code representation that is normally produced by the utilized compiler.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Schedulability Analysis of Tasks with Corunner-Dependent Execution Times
    • Abstract: BJörn Andersson, Hyoseung Kim, Dionisio De Niz, Mark Klein, Ragunathan (Raj) Rajkumar, John Lehoczky

      Consider fixed-priority preemptive partitioned scheduling of constrained-deadline sporadic tasks on a multiprocessor. A task generates a sequence of jobs and each job has a deadline that must be met. Assume tasks have Corunner-dependent execution times; i.e., the execution time of a job J depends on the set of jobs that happen to execute (on other processors) at instants when J executes. We present a model that describes Corunner-dependent execution times. For this model, we show that exact schedulability testing is co-NP-hard in the strong sense. Facing this complexity, we present a sufficient schedulability test, which has pseudo-polynomial-time complexity if the number of processors is fixed.
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • Combining Software Cache Partitioning and Loop Tiling for Effective Shared
           Cache Management
    • Abstract: Kelefouras Vasilios, Keramidas Georgios, Voros Nikolaos

      One of the biggest challenges in multicore platforms is shared cache management, especially for data-dominant applications. Two commonly used approaches for increasing shared cache utilization are cache partitioning and loop tiling. However, state-of-the-art compilers lack efficient cache partitioning and loop tiling methods for two reasons. First, cache partitioning and loop tiling are strongly coupled together, and thus addressing them separately is simply not effective. Second, cache partitioning and loop tiling must be tailored to the target shared cache architecture details and the memory characteristics of the corunning workloads. To the best of our knowledge, this is the first time that a methodology provides (1) a theoretical foundation in the above-mentioned cache management mechanisms and (2) a unified framework to orchestrate these two mechanisms in tandem (not separately).
      PubDate: Tue, 22 May 2018 00:00:00 GMT
       
  • OnNetwork+: Network Delay-Aware Management for Mobile Systems
    • Abstract: Hyeonggyu Kim, Minho Ju, Soontae Kim

      Network errors such as packet losses consume large amounts of energy. We analyzed the reason for this through measurements using the latest smartphones and full-system simulation. We found that on packet losses the smartphones maintain high frequencies for CPU without doing useful work. To address this problem, we propose a method for reducing the energy consumption by lowering the performance level by exploiting a dynamic voltage and frequency scaling mechanism when long network delays are expected.
      PubDate: Tue, 01 May 2018 00:00:00 GMT
       
  • A Hierarchical Distributed Runtime Resource Management Scheme for
           NoC-Based Many-Cores
    • Abstract: Vasileios Tsoutsouras, Iraklis Anagnostopoulos, Dimosthenis Masouros, Dimitrios Soudris

      As technology constantly strengthens its presence in all aspects of human life, computing systems integrate a high number of processing cores, whereas applications become more complex and greedy for computational resources. Inevitably, this high increase in processing elements combined with the unpredictable resource requirements of executed applications at design time impose new design constraints to resource management of many-core systems, turning the distributed functionality into a necessity. In this work, we present a distributed runtime resource management framework for many-core systems utilizing a network-on-chip (NoC) infrastructure. Specifically, we couple the concept of distributed management with parallel applications by assigning different roles to the available computing resources.
      PubDate: Mon, 23 Apr 2018 00:00:00 GMT
       
  • On the Limitations of Analyzing Worst-Case Dynamic Energy of Processing
    • Abstract: Jeremy Morse, Steve Kerrison, Kerstin Eder

      This article examines dynamic energy consumption caused by data during software execution on deeply embedded microprocessors, which can be significant on some devices. In worst-case energy consumption analysis, energy models are used to find the most costly execution path. Taking each instruction’s worst-case energy produces a safe but overly pessimistic upper bound. Algorithms for safe and tight bounds would be desirable. We show that finding exact worst-case energy is NP-hard, and that tight bounds cannot be approximated with guaranteed safety. We conclude that any energy model targeting tightness must either sacrifice safety or accept overapproximation proportional to data-dependent energy.
      PubDate: Tue, 20 Feb 2018 00:00:00 GMT
       
  • Improving SIMD Parallelism via Dynamic Binary Translation
    • Abstract: Ding-Yong Hong, Yu-Ping Liu, Sheng-Yu Fu, Jan-Jan Wu, Wei-Chung Hsu

      Recent trends in SIMD architecture have tended toward longer vector lengths, and more enhanced SIMD features have been introduced in newer vector instruction sets. However, legacy or proprietary applications compiled with short-SIMD ISA cannot benefit from the long-SIMD architecture that supports improved parallelism and enhanced vector primitives, resulting in only a small fraction of potential peak performance. This article presents a dynamic binary translation technique that enables short-SIMD binaries to exploit benefits of new SIMD architectures by rewriting short-SIMD loop code. We propose a general approach that translates loops consisting of short-SIMD instructions to machine-independent IR, conducts SIMD loop transformation/optimization at this IR level, and finally translates to long-SIMD instructions.
      PubDate: Mon, 12 Feb 2018 00:00:00 GMT
       
  • Compact Implementations of ARX-Based Block Ciphers on IoT Processors
    • Abstract: Hwajeong Seo, Ilwoong Jeong, Jungkeun Lee, Woo-Hwan Kim

      In this article, we present implementations for Addition, Rotation, and eXclusive-or (ARX)-based block ciphers, including LEA and HIGHT, on IoT devices, including 8-bit AVR, 16-bit MSP, 32-bit ARM, and 32-bit ARM-NEON processors. We optimized 32-/8-bitwise ARX operations for LEA and HIGHT block ciphers by considering variations in word size, the number of general purpose registers, and the instruction set of the target IoT devices. Finally, we achieved the most compact implementations of LEA and HIGHT block ciphers.
      PubDate: Tue, 06 Feb 2018 00:00:00 GMT
       
 
 
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