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  Subjects -> COMPUTER SCIENCE (Total: 2002 journals)
    - ANIMATION AND SIMULATION (29 journals)
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    - COMPUTER SCIENCE (1160 journals)
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    - INFORMATION SYSTEMS (107 journals)
    - INTERNET (91 journals)
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    - THEORY OF COMPUTING (8 journals)

COMPUTER SCIENCE (1160 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: 13)
Abakós     Open Access   (Followers: 3)
Academy of Information and Management Sciences Journal     Full-text available via subscription   (Followers: 72)
ACM Computing Surveys     Hybrid Journal   (Followers: 22)
ACM Journal on Computing and Cultural Heritage     Hybrid Journal   (Followers: 9)
ACM Journal on Emerging Technologies in Computing Systems     Hybrid Journal   (Followers: 13)
ACM Transactions on Accessible Computing (TACCESS)     Hybrid Journal   (Followers: 3)
ACM Transactions on Algorithms (TALG)     Hybrid Journal   (Followers: 16)
ACM Transactions on Applied Perception (TAP)     Hybrid Journal   (Followers: 6)
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: 11)
ACM Transactions on Computational Logic (TOCL)     Hybrid Journal   (Followers: 4)
ACM Transactions on Computer Systems (TOCS)     Hybrid Journal   (Followers: 18)
ACM Transactions on Computer-Human Interaction     Hybrid Journal   (Followers: 13)
ACM Transactions on Computing Education (TOCE)     Hybrid Journal   (Followers: 4)
ACM Transactions on Design Automation of Electronic Systems (TODAES)     Hybrid Journal   (Followers: 1)
ACM Transactions on Economics and Computation     Hybrid Journal  
ACM Transactions on Embedded Computing Systems (TECS)     Hybrid Journal   (Followers: 4)
ACM Transactions on Information Systems (TOIS)     Hybrid Journal   (Followers: 20)
ACM Transactions on Intelligent Systems and Technology (TIST)     Hybrid Journal   (Followers: 8)
ACM Transactions on Interactive Intelligent Systems (TiiS)     Hybrid Journal   (Followers: 3)
ACM Transactions on Multimedia Computing, Communications, and Applications (TOMCCAP)     Hybrid Journal   (Followers: 10)
ACM Transactions on Reconfigurable Technology and Systems (TRETS)     Hybrid Journal   (Followers: 7)
ACM Transactions on Sensor Networks (TOSN)     Hybrid Journal   (Followers: 8)
ACM Transactions on Speech and Language Processing (TSLP)     Hybrid Journal   (Followers: 11)
ACM Transactions on Storage     Hybrid Journal  
ACS Applied Materials & Interfaces     Full-text available via subscription   (Followers: 22)
Acta Automatica Sinica     Full-text available via subscription   (Followers: 3)
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: 26)
Advanced Science Letters     Full-text available via subscription   (Followers: 7)
Advances in Adaptive Data Analysis     Hybrid Journal   (Followers: 8)
Advances in Artificial Intelligence     Open Access   (Followers: 16)
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: 15)
Advances in Computer Science : an International Journal     Open Access   (Followers: 13)
Advances in Computing     Open Access   (Followers: 2)
Advances in Data Analysis and Classification     Hybrid Journal   (Followers: 52)
Advances in Engineering Software     Hybrid Journal   (Followers: 25)
Advances in Geosciences (ADGEO)     Open Access   (Followers: 10)
Advances in Human-Computer Interaction     Open Access   (Followers: 20)
Advances in Materials Sciences     Open Access   (Followers: 16)
Advances in Operations Research     Open Access   (Followers: 11)
Advances in Parallel Computing     Full-text available via subscription   (Followers: 7)
Advances in Porous Media     Full-text available via subscription   (Followers: 4)
Advances in Remote Sensing     Open Access   (Followers: 37)
Advances in Science and Research (ASR)     Open Access   (Followers: 6)
Advances in Technology Innovation     Open Access   (Followers: 2)
AEU - International Journal of Electronics and Communications     Hybrid Journal   (Followers: 8)
African Journal of Information and Communication     Open Access   (Followers: 7)
African Journal of Mathematics and Computer Science Research     Open Access   (Followers: 4)
Air, Soil & Water Research     Open Access   (Followers: 8)
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: 4)
American Journal of Computational Mathematics     Open Access   (Followers: 4)
American Journal of Information Systems     Open Access   (Followers: 7)
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: 3)
Annals of Data Science     Hybrid Journal   (Followers: 9)
Annals of Mathematics and Artificial Intelligence     Hybrid Journal   (Followers: 6)
Annals of Pure and Applied Logic     Open Access   (Followers: 2)
Annals of Software Engineering     Hybrid Journal   (Followers: 12)
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: 2)
Applied Artificial Intelligence: An International Journal     Hybrid Journal   (Followers: 14)
Applied Categorical Structures     Hybrid Journal   (Followers: 2)
Applied Clinical Informatics     Hybrid Journal   (Followers: 2)
Applied Computational Intelligence and Soft Computing     Open Access   (Followers: 12)
Applied Computer Systems     Open Access   (Followers: 1)
Applied Informatics     Open Access  
Applied Mathematics and Computation     Hybrid Journal   (Followers: 33)
Applied Medical Informatics     Open Access   (Followers: 11)
Applied Numerical Mathematics     Hybrid Journal   (Followers: 5)
Applied Soft Computing     Hybrid Journal   (Followers: 16)
Applied Spatial Analysis and Policy     Hybrid Journal   (Followers: 4)
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: 128)
Archives of Computational Methods in Engineering     Hybrid Journal   (Followers: 4)
Artifact     Hybrid Journal   (Followers: 2)
Artificial Life     Hybrid Journal   (Followers: 6)
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  
Automatic Control and Computer Sciences     Hybrid Journal   (Followers: 3)
Automatic Documentation and Mathematical Linguistics     Hybrid Journal   (Followers: 5)
Automatica     Hybrid Journal   (Followers: 9)
Automation in Construction     Hybrid Journal   (Followers: 6)
Autonomous Mental Development, IEEE Transactions on     Hybrid Journal   (Followers: 8)
Basin Research     Hybrid Journal   (Followers: 5)
Behaviour & Information Technology     Hybrid Journal   (Followers: 52)
Bioinformatics     Hybrid Journal   (Followers: 302)
Biomedical Engineering     Hybrid Journal   (Followers: 16)
Biomedical Engineering and Computational Biology     Open Access   (Followers: 13)
Biomedical Engineering, IEEE Reviews in     Full-text available via subscription   (Followers: 17)
Biomedical Engineering, IEEE Transactions on     Hybrid Journal   (Followers: 32)
Briefings in Bioinformatics     Hybrid Journal   (Followers: 44)
British Journal of Educational Technology     Hybrid Journal   (Followers: 123)
Broadcasting, IEEE Transactions on     Hybrid Journal   (Followers: 10)
c't Magazin fuer Computertechnik     Full-text available via subscription   (Followers: 2)
CALCOLO     Hybrid Journal  
Calphad     Hybrid Journal  
Canadian Journal of Electrical and Computer Engineering     Full-text available via subscription   (Followers: 14)
Catalysis in Industry     Hybrid Journal   (Followers: 1)
CEAS Space Journal     Hybrid Journal  
Cell Communication and Signaling     Open Access   (Followers: 1)
Central European Journal of Computer Science     Hybrid Journal   (Followers: 5)
CERN IdeaSquare Journal of Experimental Innovation     Open Access  
Chaos, Solitons & Fractals     Hybrid Journal   (Followers: 3)
Chemometrics and Intelligent Laboratory Systems     Hybrid Journal   (Followers: 15)
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: 12)
Circuits and Systems     Open Access   (Followers: 16)
Clean Air Journal     Full-text available via subscription   (Followers: 2)
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  
Combustion Theory and Modelling     Hybrid Journal   (Followers: 13)
Communication Methods and Measures     Hybrid Journal   (Followers: 11)
Communication Theory     Hybrid Journal   (Followers: 20)
Communications Engineer     Hybrid Journal   (Followers: 1)
Communications in Algebra     Hybrid Journal   (Followers: 3)
Communications in Partial Differential Equations     Hybrid Journal   (Followers: 3)
Communications of the ACM     Full-text available via subscription   (Followers: 53)
Communications of the Association for Information Systems     Open Access   (Followers: 18)
COMPEL: The International Journal for Computation and Mathematics in Electrical and Electronic Engineering     Hybrid Journal   (Followers: 3)
Complex & Intelligent Systems     Open Access  
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: 9)
Computación y Sistemas     Open Access  
Computation     Open Access  
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: 12)
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: 14)
Computational Linguistics     Open Access   (Followers: 23)
Computational Management Science     Hybrid Journal  
Computational Mathematics and Modeling     Hybrid Journal   (Followers: 8)
Computational Mechanics     Hybrid Journal   (Followers: 4)
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: 13)
Computational Statistics & Data Analysis     Hybrid Journal   (Followers: 31)
Computer     Full-text available via subscription   (Followers: 85)
Computer Aided Surgery     Hybrid Journal   (Followers: 3)
Computer Applications in Engineering Education     Hybrid Journal   (Followers: 6)
Computer Communications     Hybrid Journal   (Followers: 10)
Computer Engineering and Applications Journal     Open Access   (Followers: 5)
Computer Journal     Hybrid Journal   (Followers: 7)
Computer Methods in Applied Mechanics and Engineering     Hybrid Journal   (Followers: 22)
Computer Methods in Biomechanics and Biomedical Engineering     Hybrid Journal   (Followers: 10)
Computer Methods in the Geosciences     Full-text available via subscription   (Followers: 1)
Computer Music Journal     Hybrid Journal   (Followers: 16)
Computer Physics Communications     Hybrid Journal   (Followers: 6)
Computer Science - Research and Development     Hybrid Journal   (Followers: 7)
Computer Science and Engineering     Open Access   (Followers: 17)
Computer Science and Information Technology     Open Access   (Followers: 11)
Computer Science Education     Hybrid Journal   (Followers: 12)
Computer Science Journal     Open Access   (Followers: 20)
Computer Science Master Research     Open Access   (Followers: 10)
Computer Science Review     Hybrid Journal   (Followers: 10)

        1 2 3 4 5 6 | Last

Journal Cover ACM Transactions on Design Automation of Electronic Systems (TODAES)
  [SJR: 0.349]   [H-I: 41]   [1 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 1084-4309 - ISSN (Online) 1557-7309
   Published by ACM Homepage  [45 journals]
  • ACM Transactions on Design Automation of Electronic Systems (TODAES)
           Volume 23 Issue 2, September 2017 (Issue-in-Progress)
    • PubDate: Thu, 05 Oct 2017 00:00:00 GMT
       
  • DYNASCORE: DYNAmic Software COntroller to Increase REsource Utilization in
           Mixed-Critical Systems
    • Abstract: Angeliki Kritikakou, Thibaut Marty, Matthieu Roy

      In real-time mixed-critical systems, Worst-Case Execution Time (WCET) analysis is required to guarantee that timing constraints are respected—at least for high-criticality tasks. However, the WCET is pessimistic compared to the real execution time, especially for multicore platforms. As WCET computation considers the worst-case scenario, it means that whenever a high-criticality task accesses a shared resource in multicore platforms, it is considered that all cores use the same resource concurrently. This pessimism in WCET computation leads to a dramatic underutilization of the platform resources, or even failing to meet the timing constraints. In order to increase resource utilization while guaranteeing real-time guarantees for high-criticality tasks, previous works proposed a runtime control system to monitor and decide when the interferences from low-criticality tasks cannot be further tolerated.
      PubDate: Thu, 05 Oct 2017 00:00:00 GMT
       
  • Exploiting Chip Idleness for Minimizing Garbage Collection—Induced Chip
           Access Conflict on SSDs
    • Abstract: Congming Gao, Liang Shi, Yejia Di, Qiao Li, Chun Jason Xue, Kaijie Wu, Edwin Sha

      Solid state drives (SSDs) are normally constructed with a number of parallel-accessible flash chips, where host I/O requests are processed in parallel. In addition, there are many internal activities in SSDs, such as garbage collection and wear leveling induced read, write, and erase operations, to solve the issues of inability of in-place updates and limited lifetime. When internal activities are triggered on a chip, the chip will be blocked. Our preliminary studies on several workloads show that when internal activities are frequently triggered, the host I/O performance will be significantly impacted because of the access conflict between them. In this work, in order to improve the access conflict induced performance degradation, a novel access conflict minimization scheme is proposed.
      PubDate: Thu, 05 Oct 2017 00:00:00 GMT
       
  • Recovering from Biased Distribution of Faulty Cells in Memory by
           Reorganizing Replacement Regions through Universal Hashing
    • Abstract: Jaeyung Jun, Kyu Hyun Choi, Hokwon Kim, Sang Ho Yu, Seon Wook Kim, Youngsun Han

      Recently, scaling down dynamic random access memory (DRAM) has become more of a challenge, with more faults than before and a significant degradation in yield. To improve the yield in DRAM, a redundancy repair technique with intra-subarray replacement has been extensively employed to replace faulty elements (i.e., rows or columns with defective cells) with spare elements in each subarray. Unfortunately, such technique cannot efficiently handle a biased distribution of faulty cells because each subarray has a fixed number of spare elements. In this article, we propose a novel redundancy repair technique that uses a hashing method to solve this problem. Our hashing technique reorganizes replacement regions by changing the way in which their replacement information is referred, thus making faulty cells become evenly distributed to the regions.
      PubDate: Thu, 05 Oct 2017 00:00:00 GMT
       
  • Revisiting Routability-Driven Placement for Analog and Mixed-Signal
           Circuits
    • Abstract: Hongxia Zhou, Chiu-Wing Sham, Hailong Yao

      The exponential increase in scale and complexity of very large-scale integrated circuits (VLSIs) poses a great challenge to current electronic design automation (EDA) techniques. As an essential step in the whole EDA layout synthesis, placement is attracting more and more attention, especially for analog and mixed-signal integrated circuits. Recently, experts in this field have observed a variety of analog-specific layout constraints to obtain high-performance placement solutions. These constraints include symmetry, alignment, boundary, preplace, abutment, range and maximum separation, and routability of the placement solutions. In this article, the effectiveness of slicing and nonslicing representation is investigated. Additionally, the technique of congestion-based virtual sizing is proposed.
      PubDate: Thu, 05 Oct 2017 00:00:00 GMT
       
  • An Effective Layout Decomposition Method for DSA with Multiple Patterning
           in Contact-Hole Generation
    • Abstract: Yunfeng Yang, Wai-Shing Luk, Hai Zhou, David Z. Pan, Dian Zhou, Changhao Yan, Xuan Zeng

      Directed self-assembly (DSA) complemented with multiple patterning (MP) is an attractive next generation lithography (NGL) technique for contact-hole generation. Nevertheless, a high-quality DSA-aware layout decomposer is required to enable the technology. In this article, we introduce an efficient method which incorporates a set packing for generating DSA template candidates and a local search method. Besides, a multi-start strategy is integrated into the framework to prevent the local minima. Our framework encourages the reuse of existing coloring solvers. Hence, the development cost can significantly be reduced. In addition, for DSA multiple patterning where the number of masks is larger than two, we present an efficient iterative partition based method.
      PubDate: Thu, 21 Sep 2017 00:00:00 GMT
       
  • ACM Transactions on Design Automation of Electronic Systems (TODAES)
           Volume 23 Issue 1, August 2017 (Issue-in-Progress)
    • PubDate: Thu, 31 Aug 2017 00:00:00 GMT
       
  • Optimal Don’t Care Filling for Minimizing Peak Toggles During
           At-Speed Stuck-At Testing
    • Abstract: A. Satya Trinadh, Seetal Potluri, Sobhan Babu Ch., V. Kamakoti, Shiv Govind Singh

      Due to the increase in manufacturing/environmental uncertainties in the nanometer regime, testing digital chips under different operating conditions becomes mandatory. Traditionally, stuck-at tests were applied at slow speed to detect structural defects and transition fault tests were applied at-speed to detect delay defects. Recently, it was shown that certain cell-internal defects can only be detected using at-speed stuck-at testing. Stuck-at test patterns are power hungry, thereby causing excessive voltage droop on the power grid, delaying the test response, and finally leading to false delay failures on the tester. This motivates the need for peak power minimization during at-speed stuck-at testing. In this article, we use input toggle minimization as a means to minimize a circuit’s power dissipation during at-speed stuck-at testing under the Combinational State Preservation scan (CSP-scan) Design-For-Testability (DFT) scheme.
      PubDate: Thu, 31 Aug 2017 00:00:00 GMT
       
  • VFI-Based Power Management to Enhance the Lifetime of High-Performance 3D
           NoCs
    • Abstract: Sourav Das, Dongjin Lee, Wonje Choi, Janardhan Rao Doppa, Partha Pratim Pande, Krishnendu Chakrabarty

      The emergence of 3D network-on-chip (NoC) has revolutionized the design of high-performance and energy-efficient manycore chips. However, the anticipated performance gain can be compromised due to the degradation and failure of vertical links (VLs). The Through-Silicon-Via (TSV)-enabled VLs may fail due to workload-induced stress; the failure of a VL can affect the neighboring VLs, thereby causing a cascade of failures and reducing the lifetime of the chip. To enhance the reliability of 3D NoC-enabled manycore chips, we propose to incorporate a voltage-frequency island (VFI)-based power management strategy that helps to reduce the energy consumption and hence, the workload-induced stress of the highly utilized VLs.
      PubDate: Thu, 31 Aug 2017 00:00:00 GMT
       
  • A Hierarchical Technique for Statistical Path Selection and Criticality
           Computation
    • Abstract: P. R. Chithira, Vinita Vasudevan

      Due to process variations, every path in the circuit is associated with a probability of being critical and a measure of this probability is the criticality of the path. Identification of critical paths usually proceeds in two steps, namely, generation of a candidate path set followed by computation of path criticality. As criticality computation is expensive, the candidate path set is chosen using simpler metrics. However, these metrics are not directly related to path criticality and, often, the set also contains low criticality paths that do not need to be tested. In this article, we propose a hierarchical technique that directly gives all paths above a global criticality threshold.
      PubDate: Thu, 31 Aug 2017 00:00:00 GMT
       
  • Architectural Supports to Protect OS Kernels from Code-Injection Attacks
           and Their Applications
    • Abstract: Hyungon Moon, Jinyong Lee, Dongil Hwang, Seonhwa Jung, Jiwon Seo, Yunheung Paek

      The kernel code injection is a common behavior of kernel-compromising attacks where the attackers aim to gain their goals by manipulating an OS kernel. Several security mechanisms have been proposed to mitigate such threats, but they all suffer from non-negligible performance overhead. This article introduces a hardware reference monitor, called Kargos, which can detect the kernel code injection attacks with nearly zero performance cost. Kargos monitors the behaviors of an OS kernel from outside the CPU through the standard bus interconnect and debug interface available with most major microprocessors. By watching the execution traces and memory access events in the monitored target system, Kargos uncovers attempts to execute malicious code with the kernel privilege.
      PubDate: Thu, 31 Aug 2017 00:00:00 GMT
       
  • An Adaptive Markov Model for the Timing Analysis of Probabilistic Caches
    • Abstract: Chao Chen, Giovanni Beltrame

      Accurate timing prediction for real-time embedded software execution is becoming a problem due to the increasing complexity of computer architecture, and the presence of mixed-criticality workloads. Probabilistic caches were proposed to set bounds to Worst Case Execution Time (WCET) estimates and help designers improve real-time embedded system resource use. Static Probabilistic Timing Analysis (SPTA) for probabilistic caches is nevertheless difficult to perform, because cache accesses depend on execution history, and the computational complexity of SPTA makes it intractable for calculation as the number of accesses increases. In this paper, we explore and improve SPTA for caches with evict-on-miss random replacement policy using a state space modeling technique.
      PubDate: Thu, 31 Aug 2017 00:00:00 GMT
       
  • Optimization and Quality Estimation of Circuit Design via Random Region
           Covering Method
    • Abstract: Zhaori Bi, Dian Zhou, Sheng-Guo Wang, Xuan Zeng

      Random region covering is a global optimization technique that explores the landscape by introducing multiple random starting points to initiate the local optimization solvers. This study applies the random region covering technique to circuit design automation and proposes a theory to explain why this technique is efficient at searching for the global optimum. In addition to analyzing the efficiency of the random region covering algorithm, the theory gives a probability-based estimation of the goodness of the optimization result. To enhance the efficiency of the random region covering technique, this work evaluates the boundary of top performance regions and proposes a modified random region covering method that only performs the global optimization on the top design region.
      PubDate: Tue, 01 Aug 2017 00:00:00 GMT
       
  • A Comprehensive BIST Solution for Polar Transceivers Using On-Chip
           Resources
    • Abstract: Jae Woong Jeong, Vishwanath Natarajan, Shreyas Sen, Tm Mak, Jennifer Kitchen, Sule Ozev

      This article presents a Built-in self-test (BIST) solution for polar transceivers with low cost and high accuracy. Radio frequency (RF) Polar transceivers are desirable for portable devices due to higher power efficiency compared to traditional RF Cartesian transceivers. Unfortunately, their design is quite challenging due to substantially different signal paths that need to work coherently to ensure signal quality. In the receiver, phase and gain mismatches degrade sensitivity and error vector magnitude. In the transmitter, delay skew between the envelope and phase signals and the finite envelope bandwidth can create intermodulation distortion, which leads to violation of spectral mask requirements. Typically, these parameters are not directly measured but calibrated through spectral analysis using expensive RF equipment, leading to lengthy and costly measurement/calibration cycles.
      PubDate: Tue, 01 Aug 2017 00:00:00 GMT
       
  • Electric Vehicle Optimized Charge and Drive Management
    • Abstract: Korosh Vatanparvar, Mohammad Abdullah Al Faruque

      Electric vehicles (EVs) have been considered as a solution to the environmental issues caused by transportation, such as air pollution and greenhouse gas emission. However, limited energy capacity, scarce EV supercharging stations, and long recharging time have brought anxiety to drivers who use EVs as their main mean of transportation. Furthermore, EV owners need to deal with a huge battery replacement cost when the battery capacity degrades. Yet in-house EV chargers affect the pattern of the power grid load, which is not favorable to the utilities. The driving route, departure/arrival time of daily trips, and electricity price influence the EV energy consumption, battery lifetime, electricity cost, and EV charger load on the power grid.
      PubDate: Tue, 01 Aug 2017 00:00:00 GMT
       
  • Word- and Partition-Level Write Variation Reduction for Improving
           Non-Volatile Cache Lifetime
    • Abstract: Shuai Wang, Guangshan Duan, Yupeng Li, Qianhao Dong

      Non-volatile memory technologies are among the most promising technologies for implementing the main memories and caches in future microprocessors and replacing the traditional DRAM and SRAM technologies. However, one of the most challenging design issues of the non-volatile memory technologies is the limited write. In this article, we first propose to exploit the narrow-width values to improve the lifetime of non-volatile last-level caches with word-level write variation reduction. Leading zeros masking scheme is proposed to reduce the write stress to the upper half of the narrow-width data. To balance the write variations between the upper half and the lower half of the narrow-width data, two swapping schemes, the swap on write (SW) and swap on replacement (SRepl), are proposed.
      PubDate: Tue, 01 Aug 2017 00:00:00 GMT
       
  • Two-Stage Layout Decomposition for Hybrid E-Beam and Triple Patterning
           Lithography
    • Abstract: Xingquan Li, Wenxing Zhu

      Hybrid e-beam lithography (EBL) and triple patterning lithography (TPL) are advanced technologies for the manufacture of integrated circuits. We propose a technology that combines the advantages of EBL and TPL, which is more promising for the pattern product industry. Layout decomposition is a crucial step in this technology. In this article, we propose a two-stage decomposition flow for the hybrid e-beam and triple patterning lithography of the general layout decomposition (HETLD) problem. At the first stage, we formulate two optimization problems: the e-beam and stitch-aware TPL mask assignment (ESTMA) problem and the extended minimum weight dominating set for R4 mask assignment (MDSR4MA) problem.
      PubDate: Tue, 01 Aug 2017 00:00:00 GMT
       
  • A Novel Range Matching Architecture for Packet Classification Without Rule
           Expansion
    • Abstract: Shanmugakumar Murugesan, Noor Mahammad Sk

      The speed requirement for the routing table lookup and the packet classification is rapidly increasing due to the increase in the number of packets needed to be processed per second. The hardware-based packet classification relies on ternary content addressable memory (TCAM) to meet this speed requirement. However, TCAM consumes huge power and also supports only for longest prefix match and exact match, where the classification rule also has a range match (RM) field. Hence, it is mandatory to encode the RM into prefix match to accommodate the rule in TCAM. In the worst case, one rule is encoded into (2W-2)2 rules (where W is a number of bits to represent range).
      PubDate: Tue, 01 Aug 2017 00:00:00 GMT
       
 
 
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Heriot-Watt University
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