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VLSI core architecture for GF(p) elliptic curve crypto processor

VLSI core architecture for GF(p) elliptic curve crypto proce...

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IEEE international conference on Electronics, Circuits and Systems (ICECS)

作者： A.A.-A. Gutub Computer Engineering Department King Fahd University of Petroleum and Minerals Dhahran Saudi Arabia

A novel GF(p) crypto processor core architecture is presented in this paper. the core is used to implement a GF(p) elliptic curve cryptosystem (ECC). the architecture is such that a single core can be used to implement ECC or alternatively a two core solution can be adopted. As a result, the core architecture allows the exploitation of the parallelism that exists in elliptic curve point addition and doubling. the core architecture results in several advantages over conventional implementations with regard to speed and power consumption.

关键词： Very large scale integration Elliptic curve cryptography Elliptic curves Public key cryptography Computer architecture Public key parallel processing Security Petroleum Minerals

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Digit pipelined arithmetic for 3-D massively parallel optoelectronic circuits

Digit pipelined arithmetic for 3-D massively parallel optoel...

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international conference on Massively parallel processing

作者： D. Fey M. Degenkolb C. Scheuermann W. Erhard Institut für Informatik Friedrich-Schiller-Universität Jena Jena Germany

A concept for a future integer arithmetic unit as well as a first implementation of the arithmetic unit's core as smart pixel detector chip is presented. this architecture is well-suited for a realization with 3-D optoelectronic very large scale integrated (VLSI) circuits. Due to the use of optical interconnections running vertically to the circuit's surface no pin limitation is given. this allows massively parallelism and a higher throughput performance than in all-electronic solutions. To exploit the potential of optical interconnections in VLSI systems efficiently well-adapted low-level algorithms and architectures have to be developed. this is demonstrated for a pipelined arithmetic unit using a redundant number representation. A gate layout for the optoelectronic circuits is given as well as a specification for the necessary optical interconnection scheme linking the circuits with free-space optics. It is shown that the throughput can be increased by a factor of 10 to 50 compared to current all-electronic processors by considering state-of-the-art optical and optoelectronic technology.

关键词： Arithmetic Optical interconnections Very large scale integration Integrated circuit interconnections Optical arrays Semiconductor laser arrays parallel processing Optical modulation Surface emitting lasers Pipeline processing

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A massively parallel architecture for linear machine code genetic programming 4th

A massively parallel architecture for linear machine code ge...

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4th international conference on Evolvable Systems: From Biology to Hardware, ICES 2001

作者： Eklund, Sven E. Dalama University Sweden

ISBN: (纸本)354042671X

Over the last decades Genetic algorithms (GA) and Genetic Programming (GP) have proven to be efficient tools for a wide range of applications. However, in order to solve human-competitive problems they require large amounts of computational power, particularly during fitness calculations. In this paper I propose the implementation of a massively parallel model in hardware in order to speed up GP. this fme-grained diffusion architecture has the advantage over the popular Island model of being VLSI-friendly and is therefore small and portable, without sacrificing scalability and effectiveness. the diffusion architecture consists of a large amount of independent processing nodes, connected through an X-net topology, that evolve a large number of small, overlapping sub-populations. Every node has its own embedded CPU, which executes a linear machine code representation of the individuals. Preliminary simulation results (low-level VHDL simulation) indicate a performance of 10.000 generations per second (depending on the application). One node requires 10-20.000 gates including the CPU (also application dependent), which makes it possible to fit up to 2.000 individuals in one FPGA (Virtex XC2V10000). © Springer-Verlag Berlin Heidelberg 2001.

关键词： Genetic programming

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A comprehensive-based database language and its distributed execution

A comprehensive-based database language and its distributed ...

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international conference on Distributed Computing Systems

作者： K. Kato T. Masuda Y. Kiyoki Department of Information Science Faculty of Science University of Tokyo Bunkyo Tokyo Japan Institute of Information Sciences and Electronics University of Tsukuba Tsukuba Ibaraki Japan

the authors describe a way of noticeably reducing the description cost of database operations executed in distributed computing environments through the design of a declarative language to describe database operations, the development of program transformation techniques to improve efficiency at execution time, and the clarification of prerequisites to execute the programs in distributed computing environments. With the language, database operations are described as functions which manipulate streams. To describe stream manipulation at a higher level, the language SPL (Set Programming Language) is based on mathematical comprehensive notation for sets (ZF expressions). With this language, database operation implementors need not specify any communication primitives; a language processing system automatically translates the programs into procedural programs which include communication primitives.< >

关键词： Database languages Distributed databases Distributed computing parallel processing Transaction databases Hardware Costs Concurrent computing Information science Microprocessors

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Real-time processing in dynamic ultrasound elastography: A GPU-based implementation using CUDA

Real-time processing in dynamic ultrasound elastography: A G...

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international Symposium on Signal processing and Its Applications (ISSPA)

作者： Emmanuel Montagnon Sami Hissoiny Philippe Després Guy Cloutier Laboratory of Biorheology and Medical Ultrasonics Université de Montréal Hospital Research Center (CRCHUM) Québec H2L 2W5 Canada Polytechnique Montreal Montreal QC CA Department of Radiation Oncology Université de Montréal Hospital (CHUM) Québec H2L 4M1 Canada

this paper addresses the computational cost of the normalized cross-correlation (NCC) algorithm in ultrasound elastography. parallel implementations of the NCC algorithm based on multicore architectures and a graphical processor unit (GPU) are formulated and applied to radio-frequency (RF) data from dynamic elastography experiments. Compared to single computer processor unit (CPU) performances, results show that parallel implementation of the NCC algorithm allows speedups of less than 5 for multi-threaded execution on CPU and up to 85 using a GPU. processing frame rates from 80 to 173 sec -1 have been achieved for large fields of view with good spatial resolution. the trade-off between accuracy, spatial resolution and computational cost in displacement estimation using the NCC algorithm therefore appears obsolete. Open source codes for implementing the NCC algorithm on GPU are made available at ***.

关键词： Graphics processing unit Ultrasonic imaging Instruction sets Heuristic algorithms Acoustics Computational efficiency Estimation

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An Efficient Stereoscopic Game Conversion System for Embedded Platform

An Efficient Stereoscopic Game Conversion System for Embedde...

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IEEE international conference on Trust, Security and Privacy in Computing and Communications (TrustCom)

作者： Hao Liu Wei Guo Chao Lu Jizeng Wei School of Computer Science and Technology Tianjin University Tianjin China

A low cost embedded auto-stereoscopic game conversion system is presented in this paper. the system is implemented both in software and hardware. the software is run on embedded GPU (E-GPU) to generate the depth map from a traditional 3D game which only has 2D images by extracting and processing the hidden information which is used to build the scene. then multi-view image is generated by depth image based rendering (DIBR) accelerator which is implemented by hardware. To improve the efficiency, the parallel and pipelined architecture is proposed. the design is verified on FPGA platform. the result shows that the proposed system can convert traditional 3D game to stereoscopic game with low cost and low power. therefore it is suitable for hand held devices.

关键词： Games three dimensional displays Stereo image processing Engines Hardware Rendering (computer graphics) Cameras

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Enhancing Data Reuse in Cache Contention Aware thread Scheduling on GPGPU

Enhancing Data Reuse in Cache Contention Aware Thread Schedu...

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international conference on Complex, Intelligent and Software Intensive Systems, CISIS

作者： Chin-Fu Lu Hsien-Kai Kuo Bo-Cheng Charles Lai Marvell Taiwan Ltd. Hsinchu Taiwan MediaTek Inc. Hsinchu Taiwan National Chiao-Tung University Hsinchu Taiwan

ISBN: (纸本)9781509009886

GPGPUs have been widely adopted as throughput processing platforms for modern big-data and cloud computing. Attaining a high performance design on a GPGPU requires careful tradeoffs among various design concerns. Data reuse, cache contention, and thread level parallelism, have been demonstrated as three imperative performance factors for a GPGPU. the correlated performance impacts of these factors pose non-trivial concerns when scheduling threads on GPGPUs. this paper proposes a three-staged scheduling scheme to coschedule the threads with consideration of the three factors. the experiment results on a set of irregular parallel applications, when compared with previous approaches, have demonstrated up to 70% execution time improvement.

关键词： Instruction sets Multithreading Graphics processing units Kernel Scheduling Processor scheduling

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Design of Cloud-Based parallel Exclusive Signature Matching Model in Intrusion Detection

Design of Cloud-Based Parallel Exclusive Signature Matching ...

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IEEE international conference on High Performance Computing and Communications (HPCC)

作者： Yuxin Meng Wenjuan Li Lam-For Kwok Department of Computer Science City University of Hong Kong Hong Kong SAR China

Signature-based intrusion detection systems have been widely deployed in current network environments to defend against various attacks, but the expensive process of signature matching is a major suffering problem for these detection systems. thus, a high-performance signature matching scheme is of great importance for a signature-based IDS. In our previous work, we have developed an exclusive signature matching scheme that aims to identify a mismatch instead of locating an accurate match and achieved good results in the experiments. With the advent of Cloud Computing, IDS as a service (IDSaaS) has been proposed as an alternative by offloading the expensive operations such as the process of signature matching to the cloud. In this paper, we attempt to design a parallel model to conduct the exclusive signature matching in a cloud. In the evaluation, we implemented our model in a cloud environment and investigated its performance compared with Snort. the experimental results indicate that our proposed model can achieve promising performance in such a cloud environment.

关键词： Cloud computing Computational modeling Payloads Intrusion detection Pattern matching Graphics processing units throughput

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Novel design digital holographic system with LC spatial light modulators for diffractive element production

Novel design digital holographic system with LC spatial ligh...

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10th international conference on Nonlinear Optics of Liquid and Photorefractive Crystals

作者： Lymarenko, Ruslan Budnyk, Oksana International Centre Institute of Applied Optics National Academy of Science of Ukraine 10G Kudryavska str. Kyiv 04053 Ukraine

Liquid crystal displays in different modes are suitable due to their birefringence properties and wide transmission range. the paper discussed advantages amplitude-phase modulators and focused on boundary conditions for the application in digital holography (generation of 3D light wave) and for dynamic pattern generation. Implementation demands are discussed on the example of an optical system for parallel recording and optical reconstruction of digital hologram. Optical methods based on digital holography are highly effective for diffractive element synthesis. Modern production of digital hologram is characterized by high degree of flexibility and complexity. According to this the use of proposed method is useful for designing and developing an optical system able not only for fringe pattern fabric structures but as well to allow more complex pattern including singular for image forming. We report on a method for synthesis of digital holograms taken with interference of laser beams diffracted on a spatial light modulator. the proposed technique for modeling of adaptive diffractive elements computes the propagation of the complex optical wavefront diffracted by the object and used to determine the needed spatial light modulator (SLM) pattern. the extension of new method of modeling diffraction on amplitude-phase mask and possibilities of its practical application such as computer modeling of diffraction on a SLM, which consists of squared cells, for a wavefront reconstruction are considered. Conclusions regarding the possibilities the representation the arbitrary fields by using the discrete matrix of elementary diffractive aperture cell for enhancement of iteration algorithm of hologram synthesis and phase retrieval are arrived at. Proposed method for computer-generated holograms (CGH) enables one to synthesize CGH's and simulate digital image processing techniques for 3D image reconstruction. the process does not contain any Fourier transform calculations, and can

关键词： Holography

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An Algorithmic Approach to Audio processing and Emotion Mapping

An Algorithmic Approach to Audio Processing and Emotion Mapp...

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Advances in Science and Technology (ICAST), international conference on

作者： Vedant Kokate Arghyadeep Karmakar Mustansir Kapasi Hariram Chavan Information Technology K. J. Somaiya Institute of Engineering and Information Technology Mumbai India

ISBN: (纸本)9781665492645

Voice and speech pattern analysis can help improve conversational and persuading abilities, especially in situations or applications where direct face-to-face human engagement is not possible or preferable. this paper proposes methods for accurately predicting emotions. in a voice sample. Additive white Gaussian noise is added to avoid overfitting and create real-environment sound. this paper uses the Mel spectrogram to extract features. Multilayer Perceptron, 1D-CNN, 2D-CNN, and transformer-based parallel CNN have been used to appropriately classify human emotions from speech samples. Previously unseen, transformer-based architectures have had a breakthrough in recent times and using them in audio processing and emotion mapping is rather novel which we intend to do.

关键词： AWGN Neural networks Multilayer perceptrons Transformers Feature extraction Classification algorithms Pattern analysis

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