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Advances in high performance computing

JOURNAL OF SUPERCOMPUTING 2008年第2期43卷 105-106页

作者： Guo, Minyi Xue, Jingling Univ Aizu Sch Comp Sci & Engn Fukushima 9658580 Japan Univ New S Wales Sch Comp Sci & Engn Programming Languages & Compilers Grp Sydney NSW 2052 Australia

This special issue brings together five research papers providing a snapshot of the current state of the art in the broad area of high performance computing. These papers have been selected as extended and revised versions, subject to peer review, from those originally accepted for presentation at the 3rd international symposium on parallel and distributed processing and applications (ispa '2005), which was held during 2-5 November, 2005 in Nanjing, China. The selected papers address a range of issues in high performance computing and their contributions are summarised below. In "An Energy-Efficient Protocol for Data Gathering and Aggregation in Wireless Sensor Networks," Liu, Cao, Zheng and Xie introduce a hierarchical clustering protocol for data gathering and aggregation in wireless sensor networks. Their simulation results show that their protocol outperforms two existing ones, LEACH and PEGASIS, in terms of network lifetime and the amount of data gathered.

关键词： distributed processing current status agglomeration High Performance Computing Data Collection Methods Arts Snapshots Peer Review Wireless sensor networks

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parallel and distributed processing and applications - Third international symposium, ispa 2005, Proceedings

Parallel and Distributed Processing and Applications - Third...

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3rd international symposium on parallel and distributed processing and applications, ispa 2005

ISBN: (纸本)3540297693

The proceedings contain 111 papers. The topics discussed include: data structures and algorithms for packet forwarding and classification;towards peta-bit photonic networks;modeling and analysis of a parallel nested loop join on cluster architectures;scheduling efficiently for irregular load distributions in a large-scale cluster;on service-oriented network measurement architecture with mobile agent;design and evaluation of network-bandwidth-based parallel replication algorithm;replicating multithreaded web services;cache management for discrete processor architectures;aggressive loop fusion for improving locality and parallelism;adaptive parallel ant colony optimization;a fast and scalable conflict detection algorithm for packet classifiers;and a new data fusion model of intrusion detection-IDSFP.

关键词： distributed database systems

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A parallel 3D Delaunay triangulation method

A parallel 3D Delaunay triangulation method

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9th IEEE international symposium on parallel and distributed processing with applications, ispa 2011

作者： Chen, Min-Bin Department of Computer Science and Information Engineering China University of Technology Hsing-Lung Rd. Taipei 116 Taiwan

ISBN: (纸本)9780769544281

Delaunay triangulation is a common mesh generation method in scientific computation. This parallel 3D Delaunay triangulation method uses domain-decomposition approach. With the properties of Delaunay triangulation, this method devise algorithm when merge block triangulations. To reduce the communications between processors, it finds the 3D affected zone that may be modified during the merge of two sub-block triangulations. The merging triangulation can be generated with the search just on the boundary of block triangulations. © 2011 IEEE.

关键词： Mesh generation

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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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Polarmask-Tracker: Lightweight Multi-Object Tracking and Segmentation Model for Edge Device 19

Polarmask-Tracker: Lightweight Multi-Object Tracking and Seg...

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19th IEEE international symposium on parallel and distributed processing with applications (IEEE ispa)

作者： Dong, Xiaoyun Ouyang, Zhenchao Guo, Zeling Niu, Jianwei Beihang Univ Hangzhou Innovat Inst Chuanghui Rd 18 Binjiang 310000 Zhejiang Peoples R China Beihang Univ State Key Lab Virtual Real Technol & Syst Xueyuan Rd 37 Beijing 100191 Peoples R China Beihang Univ Sino French Engineer Sch Xueyuan Rd 37 Beijing 100191 Peoples R China

ISBN: (纸本)9781665435741

The image or video input from the camera is one of the important data sources for unmanned vehicles to perceive the environment. However, the 2D/3D bounding box can only provide a very coarse approximation because one box often contains other targets and background. In order to solve the problem of precise target tracking and computing limitations of edge devices, this paper proposes Polarmask-Tracker, a lightweight segmentation-based multi-object tracking network for vehicular edge devices. Polarmask-Tracker extended the lightweight Polarmask segmentation head with tracking vector. The polar mask replaces the traditional mask prediction by regression of a group of fixed edge points in polar coordinate system, which can greatly optimize the computational complexity and regression difficulty of the mask. With an additional tracking vector branch generated based on mask, the model can learn tracking tasks in an end-to-end manner. Finally, we further accelerated the entire model based on TensorRT and achieve real-time tracking on mobile edge computing platform. Different from previous evaluations on the ImageNet and COCO datasets, this study uses the KITTI tracking dataset to extend the instance segmentation task to segmentation tracking, also called MOTS. At the same time, the target scales captured from the autonomous vehicle camera are usually smaller, which also brings additional challenges. Evaluations on NVidia Jetson AGX show that the final Polarmask-Tracker can achieve 122.55 FPS, 46.57 mAP for mask segmentation, 56.418 HOTA for tracking.

关键词： Segmentation tracking deep learning MOTS autonomous vehicle

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Developing high-performance parallel applications using EPAS

Developing high-performance parallel applications using EPAS

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3rd international symposium on parallel and distributed processing and applications, ispa 2005

作者： Akon, Mohammad Mursalin Singh, Ajit Shen, Xuemin Goswami, Dhrubajyoti Li, Hon Fung Department of Electrical and Computer Engineering University of Waterloo Ont. Canada Department of Computer Science Concordia University Montreal Canada

ISBN: (纸本)3540297693

In spite of the advent of high performance parallel computers and commodity clusters, complexity of parallel application development remains one of the major obstacles towards the mainstream adoption of parallel computing. Researchers are constantly investigating different approaches to reduce parallel application development time and increase productivity. As re-usable components, patterns have gained popularity in the sequential programming domain. Subsequently, several pattern-based parallel programming environments (PPEs) have been proposed to facilitate parallel application development procedure. Unfortunately, most of these PPEs lack the required flexibility in order to develop real-life parallel applications. In this paper, we describe the features of the EPAS (Extended parallel Architectural Skeleton) PPE that enables development of complex parallel applications. We investigate and design the required patterns, and then use them to develop a parallel data cube computing application. Finally, we present the performance of the developed applications and discuss the results. © Springer-Verlag Berlin Heidelberg 2005.

关键词： distributed computer systems

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RRBS: A fault tolerance model for cluster/grid parallel file system

RRBS: A fault tolerance model for cluster/grid parallel file...

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3rd international symposium on parallel and distributed processing and applications, ispa 2005

作者： Huo, Yan-Mei Ju, Jiu-Bin Hu, Liang Department of Computer Science and Technology Jilin University Changchun 130012 China

ISBN: (纸本)3540297693

parallel file systems stripe the data from a single file across multiple cluster/grid nodes so that the systems can access file in parallel. In such a system, if an I/O node or the storage device of that node doesn't work, all the subfiles on the node can't be accessed. In this paper, we introduce a special fault tolerance model for parallel file systems called Round-robin Redundant Backup of Subfile (RRBS), This model ensures the accessibility of the parallel files even when an I/O node is failure. In order to test the usability of RRBS, we also developed a prototype of parallel file system called WPFS on a PC/Windows cluster. © Springer-Verlag Berlin Heidelberg 2005.

关键词： Fault tolerant computer systems

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parallel and distributed processing and applications - Third international symposium, ispa 2005, Proceedings: Preface

Lecture Notes in Computer Science (including subseries Lectu...

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Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) 2005年 3758 LNCS卷 V页

作者： Pan, Yi Chen, Daoxu

No abstract available

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parallel and distributed processing and applications 1

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丛书名： Lecture Notes in Computer Science

1000年

作者： Yi Pan Daoxu Chen Minyi Guo Jiannong Cao Jack Dongarra

ISBN: (数字)9783540321002

ISBN: (纸本)9783540297697

Welcome to the proceedings of ispa 2005 which was held in the city of Nanjing. parallel computing has become a mainstream research area in computer science and the ispa conference has become one of the premier forums for the presentation of new and exciting research on all aspects of parallel computing. We are pleased to present the proceedings for the 3rd international symposium on parallel and distributed processing and applications (ispa 2005), which comprises a collection of excellent technical papers, and keynote speeches. The papers accepted cover a wide range of exciting topics, including architectures, software, networking, and applications. The conference continues to grow and this year a record total of 968 manuscripts (including workshop submissions) were submitted for consideration by the Program Committee or workshops. From the 645 papers submitted to the main conference, the Program Committee selected only 90 long papers and 19 short papers in the program. Eight workshops complemented the outstanding paper sessions.

关键词： Computer System Implementation Algorithm Analysis and Problem Complexity Computer Communication Networks Information Systems applications (incl. Internet) System Performance and Evaluation Software Engineering

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Systolic routing in an optical fat tree

Systolic routing in an optical fat tree

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3rd international symposium on parallel and distributed processing and applications, ispa 2005

作者： Honkanen, Risto T. Department of Computer Science University of Kuopio P.O. Box 1627 FIN-70211 Kuopio Finland

ISBN: (纸本)3540297693

In this paper we present an all-optical network architecture and a systolic routing protocol for it. An r-dimensional optical fat tree network (OFT) consists of 2r -1 routing nodes and n = 2r processing nodes deployed at the leaf nodes of the network. In our construction packets injected into the OFT carry no routing information. Routing is based on the use of a cyclic control bit sequence and scheduling. The systolic routing protocol ensures that no electro-optical conversion is needed in the intermediate routing nodes and all the packets injected into the routing machinery will reach their target without collisions. A work-optimal routing of an h-relation is achieved with a reasonable size of h. © Springer-Verlag Berlin Heidelberg 2005.

关键词： distributed computer systems

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