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An efficient network information model using NWS for grid computing environments

4th International Conference on Grid and Cooperative computing - GCC 2005

作者： Yang, Chao-Tung Shih, Po-Chi Chen, Sung-Yi Shih, Wen-Chung High-Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 40704 Taiwan Departments Computer Science National Tsing Hua University Hsinchu 30013 Taiwan Department of Computer and Information Science National Chiao Tung University Hsinchu 300 Taiwan

ISBN: (纸本)3540305106

Grid computing technologies enable large-scale aggregation and sharing of resources via wide-area networks focused on sharing computational, data, and other resources to form general-purpose services for users. In this paper, we address network information gathering and focus on providing approximate measurement models for network-related information using Network Weather Service (NWS) for future scheduling and benchmarking. We propose a network measurement model for gathering network-related information including bandwidth, latency, forecasting, error rates, etc., without generating excessive system overhead. We consider inaccuracies in real-world network values in generating approximation values for future use. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Virtual reality

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Clonal Selection Based Memetic Algorithm for Job Shop Scheduling Problems

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Journal of Bionic engineering 2008年第2期5卷 111-119页

作者： Jin-hui Yang Liang Sun Heow Pueh Lee Yun Qian Yan-chun Liang College of Computer Science and Technology Jilin University Key Laboratory of Symbol Computation and Knowledge Engineering of Ministry of Education Changchun 130012 P. R. China Institute of High Performance Computing Singapore 117528 Singapore Department of Mechanical Engineering National University of Singapore Singapore 117576 Singapore Institute of Electric and Information Engineering Beihua University Jilin 13202 l P. R. China

A clonal selection based memetic algorithm is proposed for solving job shop scheduling problems in this paper. In the proposed algorithm, the clonal selection and the local search mechanism are designed to enhance exploration and exploitation. In the clonal selection mechanism, clonal selection, hypermutation and receptor edit theories are presented to construct an evolutionary searching mechanism which is used for exploration. In the local search mechanism, a simulated annealing local search algorithm based on Nowicki and Smutnicki＇s neighborhood is presented to exploit local optima. The proposed algorithm is examined using some well-known benchmark problems. Numerical results validate the effectiveness of the proposed algorithm.

关键词： job shop scheduling problem clonal selection algorithm simulated annealing global search local search

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A chronological history-based execution time estimation model for embarrassingly parallel applications on grids

A chronological history-based execution time estimation mode...

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3rd International Symposium on Parallel and Distributed Processing and Applications, ISPA 2005

作者： Yang, Chao-Tung Shih, Po-Chi Lin, Cheng-Fang Hsu, Ching-Hsien Li, Kuan-Ching High Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 40704 Taiwan Department of Computer Science and Information Engineering Chung Hua University Hsinchu 300 Taiwan Parallel and Distributed Processing Center Department of Computer Science and Information Management Providence University Taichung 43301 Taiwan

ISBN: (纸本)3540297693

In order to identify and schedule jobs that are suitable for determined resources, an execution time estimation model is required. In this paper, it is described a Chronological history-based execution time estimation model to predict current execution time, according to the previous execution results. We built a heterogeneous computational Grid environment using Globus Toolkit, and our research is focused in Grid computing environments and to execute parallel jobs on multiple resources by measuring its accuracy. The experimental results shown that our model can accurately predict the execution time of embarrassingly parallel applications. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Distributed computer systems

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A performance-based parallel loop self-scheduling on grid computing environments 1

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IFIP International Conference on Network and Parallel computing, NPC 2005

作者： Shih, Wen-Chung Yang, Chao-Tung Tseng, Shian-Shyong Department of Computer and Information Science National Chiao Tung University Hsinchu 300 Taiwan High-Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 407 Taiwan Department of Information Science and Applications Asia University Taichung 413 Taiwan

ISBN: (数字)9783540322467

ISBN: (纸本)354029810X

Efficient loop scheduling on parallel and distributed systems depends mostly on load balancing, especially on heterogeneous PC-based cluster and grid computing environments, In this paper, a general approach, named performance-Based Parallel Loop Self-Scheduling (PPLSS), was given to partition workload according to performance of grid nodes. This approach was applied to three types of application programs, which were executed on a testbed grid. Experimental results showed that our approach could execute efficiently for most scheduling parameters when estimation of node performance was accurate. © IFIP International Federation for Information Processing 2005.

关键词： Parallel processing systems

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On utilization of the grid computing technology for video conversion and 3D rendering

On utilization of the grid computing technology for video co...

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3rd International Symposium on Parallel and Distributed Processing and Applications, ISPA 2005

作者： Yang, Chao-Tung Lai, Chuan-Lin Li, Kuan-Ching Hsu, Ching-Hsien Chu, William C. High Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 40704 Taiwan Parallel and Distributed Processing Center Department of Computer Science and Information Management Providence University Taichung 43301 Taiwan Department of Computer Science and Information Engineering Chung Hua University Hsinchu 300 Taiwan

ISBN: (纸本)3540297693

In this paper, we investigate the recent popular computing technique called Grid computing, and use video conversion and 3D rendering applications to demonstrate this technology's effectiveness and high performance. We also report on developing a resource broker called Phantom that runs on our grid computing testbed and whose main function is querying nodes in grid computing environments and showing their system information to aid in selecting the best nodes for job assignments to have the jobs executed in the least amount of time. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Computability and decidability

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RNC: Reliable network property classifier based on graph embedding 20

RNC: Reliable network property classifier based on graph emb...

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20th International Conference on Parallel and Distributed computing, Applications and Technologies, PDCAT 2019

作者： Liao, Hao Liu, Qixin Vidmer, Alexandre Zhou, Mingyang Mao, Rui National Engineering Laboratory for Big Data System Computing Technology Guangdong Province Key Laboratory of Popular High Performance Computers College of Computer Science and Software Engineering Shenzhen University Shenzhen518060 China

ISBN: (数字)9781728126166

ISBN: (纸本)9781728126166

In the past two decades, analyzing the information network has been intensively studied from various disciplines. Small world property and scale-free property prevail in network science research. The comparison and classification of different kinds of graphs are extremely important. However, how to design a robust and accurate classification with deep learning techniques for network property still lack enough attention, which is a vital task in various application scenarios. In this paper, we proposed the reliable network property classifier based on graph embedding(RNC) to classify the network property (scale free or small world property). In order to process non-euclidean data, we embedded each network into an image and use dimensional reduction, rasterization, and convolutional neural networks to complete the classification problem. The method can effectively accomplish classification tasks in not only artificial networks but also real networks. Besides, RNC wins greatly in terms of robustness on real networks, showing the robustness of RNC against the incomplete structure of the network. © 2019 IEEE.

关键词： Deep learning

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Visuel: A novel performance monitoring and analysis toolkit for cluster and grid environments

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6th International Conference on Algorithms and Architectures for Parallel Processing, ICA3PP

作者： Li, Kuan-Ching Cheng, Hsiang-Yao Yang, Chao-Tung Hsu, Ching-Hsien Wang, Hsiao-Hsi Hsu, Chia-Wen Hung, Sheng-Shiang Chang, Chia-Fu Liu, Chun-Chieh Pan, Yu-Hwa Parallel and Distributed Processing Center Department of Computer Science and Information Management Providence University Taichung 43301 Taiwan High Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 40704 Taiwan Department of Computer Science and Information Engineering Chung Hua University Hsinchu 300 Taiwan

ISBN: (纸本)3540292357

The computing power provided by high performance low-cost PC-based Cluster and Grid platforms are attractive, and they are equal or superior to supercomputers and mainframes widely available. In this research paper, we present the design rationale and implementation of Visuel, a toolkit for performance measurement and analysis of MPI parallel programs and real time resources monitoring in cluster and grid computing environments. The proposed toolkit is web-based interface to show performance activities of all computing nodes involved in the execution of a MPI parallel program, such as CPU and memory usage levels of each computing node, and monitors all computing nodes of a computing platform by displaying real time performance data. In addition, this toolkit is able to display comparative performance data charts of multiple executions of MPI parallel application under investigation, which facilitates the "what-if" analysis. The usage of this toolkit shows that it outperforms in easing the process of investigation of parallel applications. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Distributed computer systems

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A hybrid parallel loop scheduling scheme on grid environments

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4th International Conference on Grid and Cooperative computing - GCC 2005

作者： Shih, Wen-Chung Yang, Chao-Tung Tseng, Shian-Shyong Department of Computer and Information Science National Chiao Tung University Hsinchu 30010 Taiwan High-Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung 40704 Taiwan Department of Information Science and Applications Asia University Taichung 41354 Taiwan

ISBN: (纸本)3540305106

Effective loop-scheduling can significantly reduce the total execution time of a program on grid environments, especially for loop-intensive applications. This paper describes a two-phased method, named HPLS (Hybrid Parallel Loop Scheduling), to dynamically schedule loop iterations of a program on grid environments. In the first phase, most of the workload is dispatched to each node for execution according to its performance. Then, some well-known self-scheduling scheme is utilized to schedule the remaining workload. Experimental results showed that in most cases our approach could produce more efficient scheduling than previous schemes on our testbed grid. In addition, the results suggest that our approach is suitable for loop scheduling on grid environments. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Parallel processing systems

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Real-time Java processor optimized for RTSJ

Proceedings of the ACM Symposium on Applied Computing

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Proceedings of the ACM Symposium on Applied computing 2007年 1540-1544页

作者： Chai, Zhilei Zhao, Wenke Xu, Wenbo Center of Intelligent and High Performance Computing School of Information Technology Southern Yangtze University Wuxi 214122 China Department of Computer Science and Engineering Fudan University 220# of Handan Rd. Shanghai 200433 China

ISBN: (纸本)1595934804;9781595934802

Due to the preeminent work of the real-time specification for Java(RTSJ), Java is increasingly expected to become the leading programming language in real-time systems. To provide a Java platform suitable for real-time applications, a real-time Java processor can execute Java bytecode directly is proposed in this paper. This processor provides efficient support in hardware for mechanisms specified in the RTSJ and offers a simpler programming model through ameliorating the scoped memory of the RTSJ. The most important characteristic of the processor is that its WCET(worst case execution time) of the bytecode execution is predictable. It is vital for the real-time systems. Copyright 2007 ACM.

关键词： Java programming language

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Characteristics modeling of photonic crystal by using numerical techniques

Characteristics modeling of photonic crystal by using numeri...

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2003 Asia-Pacific Conference on Applied Electromagnetics, APACE 2003

作者： Yan, Sun Yuan, W.L. Zhang, Y.J. Li, E.P. Leong, M.S. Institute of High Performance Computing 1 Science park Road Singapore117528 Singapore Department of Electrical and Computer Engineering National University of Singapore Singapore Singapore

ISBN: (纸本)0780381297

Photonic band-gap (PBG) materials are periodic dielectric crystals that exhibit a photonic band-gap analogous to the electronic band-gap present in semiconductors. Their fabrication, however, requires extremely high resolution and is very costly. Due to the high expense in experimental fabrication, accurate modeling and prediction of a novel PBG structure characteristics are highly desirable. This paper presents an investigation on the effects of dielectric material properties and structures on the photonic band characteristics by using numerical simulation approaches. © 2003 IEEE.

关键词： Photonic band gap

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