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检索条件"任意字段=19th IASTED International Conference on Parallel and Distributed Computing and Systems"

共 564 条记录，以下是441-450 订阅

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Implementation of visual MPI parallel program performance analysis tool for cluster environments

Implementation of visual MPI parallel program performance an...

引用

19th international conference on Advanced Information Networking and Applications, AINA 2005

作者： Li, Kuan-Ching Chang, Hsun-Chang Yang, Chao-Tung Chang, Li-Jen Cheng, Hsiang-Yao Lee, Liang-Teh Parallel and Distributed Processing Center CSIM Dept. Providence Universiiy Taichung 43301 Taiwan HPC Laboratory CSIE Dept. Tunghai University Taichung 407 Taiwan Dept. of Computer Science and Engineering Tatung University Taipei 104 Taiwan

ISBN: (纸本)0769522491

In this paper, we present Visuel tool for performance measurement and analysis of MPI parallel program in cluster environments. Most of tools available today for cluster systems show solely system performance data (e.g., CPU load, memory usage, network bandwidth, machine-room temperature, server average load, among others), being more suitable for system administrators who maintain such system. the Visuel tool is designed to show performance data of all computer nodes involved in the execution of MPZ parallel program, such as CPU load level and memory usage. Additionally, this tool is able to display comparative performance data charts of multiple executions of the application (instrumented with MPI interface) under development. © 2005 IEEE.

关键词： parallel processing systems

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Workshop on parallel and distributed Real-Time systems

Workshop on Parallel and Distributed Real-Time Systems

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international Symposium on parallel and distributed Processing (IPDPS)

Presents the introductory welcome message from the conference proceedings. May include the conference officers' congratulations to all involved with the conference event and publication of the proceedings record.

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An enhanced parallel loop self-scheduling scheme for cluster environments

An enhanced parallel loop self-scheduling scheme for cluster...

引用

international conference on Advanced Information Networking and Applications (AINA)

作者： Chao-Tung Yang Kuan-Wei Cheng Kuan-Ching Li High-Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung Taiwan Parallel and Distributed Processing Center Department of Computer Science and Information Management Providence University Taichung Taiwan

ISBN: (纸本)0769522491

In this paper, a parallel loop self-scheduling scheme for heterogeneous PC cluster systems is proposed. though the proposed scheme does allow users to choose parameters before the execution initialization phase, there are still weaknesses that motivate us to go further with new improvements in that scheme. For instance, a decision on a fixed and monotonous parameter can easily lead to invalid schedule by using previous input information. thus, it is proposed in this paper a new scheme, where the scheduling parameter can be adjusted dynamically and fit into most widely available computer systems, in order to provide higher overall performance.

关键词： Processor scheduling Dynamic scheduling Load management Master-slave Concurrent computing distributed computing Clustering algorithms Runtime Computer science Scheduling algorithm

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On construction of a visualization toolkit for MPI parallel programs in cluster environments

On construction of a visualization toolkit for MPI parallel ...

引用

19th international conference on Advanced Information Networking and Applications, AINA 2005

作者： Li, Kuan-Ching Chang, Hsun-Chang Yang, Chao-Tung Sato, Liria Matsumoto Yang, Chung-Yuan Wu, Yin-Yi Pel, Mao-Yueh Liao, Hsiang-Kai Hsieh, Min-Chieh Tsai, Chia-Wen Parallel and Distributed Processing Center CSIM Dept. Providence University Shalu Taichung 433 Taiwan MPC Laboratory CSIE Dept. Tunghai University Taichung 407 Taiwan LASE Laboratory PCS Dept. University of Sao Paulo SP 05508-900 Brazil

ISBN: (纸本)0769522491

the low cost and wide availability of PC-based clusters have made them an excellent alternative to access supercomputing. However, while network of workstations may be readily available, there is an increasing need for performance tools that support these platforms, in order to achieve even higher performance. One of possible ways to increase performance is parallel program restructuring. It is introduced in this paper a toolkit to generate graphical charts for visualization of MPI parallel programs, reflecting to its execution over time, with the use of DP*Graph representation, parallel version of timing graph. In other words, parallel programs are shown through charts its sequential codes, dependencies and communication structures in a particular cluster system platform. Still in thispaper, it is discussed the implementation of this toolkit and present some experimental results obtained. © 2005 IEEE.

关键词： parallel processing systems

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distributed branch-and-bound scheme for solving the winner determination problem in combinatorial auctions

Distributed branch-and-bound scheme for solving the winner d...

引用

international conference on Advanced Information Networking and Applications (AINA)

作者： S. Fujita S. Tagashira C. Qiao M. Mito Department of Information Engineering Graduate School of Engineering Hiroshima University Higashihiroshima Japan Department of Information Engineering Graduate School of Engineering Hiroshima University Japan

In this paper, we propose a new class of parallel branch-and-bound (B&B) schemes. the main idea of the scheme is to focus on the functional parallelism instead of conventional data parallelism, and to support such a heterogeneous and irregular parallelism by using a collection of autonomous agents distributed over the network. After examining several design issues toward the implementation of a prototype of the distributed B&B system, we illustrate the result of our preliminary experiments conducted to estimate the performance of the proposed scheme. the result shows that it could cause a significant performance improvement if each agent autonomously changes its function type according to the change of the underlying environment.

关键词： parallel processing Peer to peer computing distributed computing Autonomous agents Prototypes Multiprocessor interconnection networks Concrete Concurrent computing High performance computing Large-scale systems

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A high-performance computational resource broker for grid computing environments

A high-performance computational resource broker for grid co...

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international conference on Advanced Information Networking and Applications (AINA)

作者： Chao-Tung Yang Po-Chi Shih Kuan-Ching Li High-Performance Computing Laboratory Department of Computer Science and Tunghai University Taichung Taiwan Parallel and Distributed Processing Center Department of Computer Science and Information Management Providence University Taichung Taiwan

ISBN: (纸本)0769522491

Internet computing and grid technologies promise to change the way we tackle complex problems. they will enable large-scale aggregation and sharing of computational, data and other resources across institutional boundaries. As grid computing is becoming a reality, there is a need for managing and monitoring the available resources worldwide, as well as the need for conveying these resources to the everyday user. this paper describes a resource broker with its main function as to match the available resources to the user's needs. the use of the resource broker provides a uniform interface to access any of the available and appropriate resources using user's credentials. the resource broker runs on top of the Globus toolkit. therefore, it provides security and current information about the available resources and serves as a link to the diverse systems available in the grid.

关键词： Grid computing Resource management Bandwidth distributed computing Network servers Monitoring Information security Middleware Access protocols Java

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Decision tree construction for data mining on grid computing environments

Decision tree construction for data mining on grid computing...

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international conference on Advanced Information Networking and Applications (AINA)

作者： Chao-Tung Yang Shu-Tzu Tsai Kuan-Ching Li High-Performance Computing Laboratory Department of Computer Science and Information Engineering Tunghai University Taichung Taiwan Parallel and Distributed Processing Center Department of Computer Science and Information Management Providence University Taichung Taiwan

ISBN: (纸本)0769522491

In this paper, the authors presented the grid-based decision tree architecture, with the intention of applying it to both parallel and sequential algorithms. Also, it is shown that, based on the scope and model of data mining applied in the grid environment as well as user equivalent perspective, grid roles can be categorized into three types. It was aimed, through these definitions, to help software developers define clear system processes and differentiate the application scope for software applications. To fulfill the architecture, an existing parallel decision tree algorithm was first applied (the SPRINT algorithm) to the grid environment. the performance and differences in many other areas are compared using datasets of different sizes. the experimental results will be used for future reference and further development.

关键词： Decision trees Data mining Grid computing Computer architecture Clustering algorithms Concurrent computing distributed computing Computer science Application software Chaos

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On construction of a visualization toolkit for MPI parallel programs in cluster environments

On construction of a visualization toolkit for MPI parallel ...

引用

international conference on Advanced Information Networking and Applications (AINA)

作者： Kuan-Ching Li Hsun-Chang Chang Chao-Tung Yang Liria Matsumoto Sato Chung-Yuan Yang Yin-Yi Wu Mao-Yueh Pel Hsiang-Kai Liao Min-Chieh Hsieh Chia-Wen Tsai Parrallel and Distributed Processing Center CSIM Department Providence University Taichung Taiwan HPC Laboratory CSIE Department Tunghai University Taichung Taiwan LASB Laboratory PCS Department University of Sao Paulo Brazil

ISBN: (纸本)0769522491

the low cost and wide availability of PC-based clusters have made them an excellent alternative to access supercomputing. However, while network of workstations may be readily available, there is an increasing need for performance tools that support these platforms, in order to achieve even higher performance. One of possible ways to increase performance is parallel program restructuring. It is introduced in this paper a toolkit to generate graphical charts for visualization of MPI parallel programs, reflecting to its execution over time, with the use of DP*Graph representation, parallel version of timing graph. In other words, parallel programs are shown through charts its sequential codes, dependencies and communication structures in a particular cluster system platform. Still in this paper, it is discussed the implementation of this toolkit and present some experimental results obtained.

关键词： Visualization Timing Computer networks Concurrent computing Workstations Power engineering computing Laboratories Costs distributed processing parallel algorithms

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Implementation of visual MPI parallel program performance analysis tool for cluster environments

Implementation of visual MPI parallel program performance an...

引用

international conference on Advanced Information Networking and Applications (AINA)

作者： Kuan-Ching Li Hsun-Chang Chang Chao-Tung Yang Li-Jen Chang Hsiang-Yao Cheng Liang-Teh Lee Parallel and Distributed Processing Center CSIM Department Providence University Taichung Taiwan HPC Laboratory CSIE Department Tunghai University Taichung Taiwan Department of Computer Science and Engineering Tatung University Taipei Taiwan

ISBN: (纸本)0769522491

In this paper, we present visual tool for performance measurement and analysis of MPI parallel programs in cluster environments. Most of tools available today for cluster systems show solely system performance data (e.g., CPU load, memory usage, network bandwidth, machine-room temperature, server average load, among others), being more suitable for system administrators who maintain such system. the visual tool is designed to show performance data of all computer nodes involved in the execution of MPI parallel program, such as CPU load level and memory usage. Additionally, this tool is able to display comparative performance data charts of multiple executions of the application (instrumented with MPI interface) under development.

关键词： Performance analysis Measurement System performance Bandwidth Temperature Network servers Concurrent computing Computer displays Application software Instruments

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An approximation solution for the 2-median problem on two-dimensional meshes

An approximation solution for the 2-median problem on two-di...

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international conference on Advanced Information Networking and Applications (AINA)

作者： S.S.H. Tse F.C.M. Lau Department of Computer Science University of Hong Kong Hong Kong China

We study the p-median problem which is one of the classical problems in location theory. For p = 2 and on a two-dimensional mesh, we give an O(m/sup 2/ + q log q)-time approximation algorithm for solving the problem with worst-case ratio 1.5 + /spl delta/ on the communication cost, where m is the number of rows of the mesh containing demand points, n the number of columns containing demand points, m /spl ges/ n,q the number of demand points, and /spl delta/ is some positive constant which can be as small as needed.

关键词： Approximation algorithms Network topology Tree graphs Concurrent computing Costs Computer science distributed computing parallel processing Hypercubes Computer networks

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