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13th international Conference on parallel and distributed Computing, applications, and Technologies (PDCAT)

作者： Shen, Yuze Wu, Jigang Jiang, Guiyuan Tianjin Polytech Univ Sch Comp Sci & Software Engn Tianjin 300387 Peoples R China Tianjin Univ Sch Comp Sci & Technol Tianjin 300072 Peoples R China

ISBN: (纸本)9780769548791

Mesh-connected processor array is a popular architecture used in parallel processing. Extensive studies have been conducted on reconfiguration algorithms for the processor arrays with faults, but few work is on parallel algorithm to accelerate the reconfiguration. this paper presents a fast algorithm to reconfigure two dimensional mesh-connected processor arrays with faults. A traditional algorithm is successfully accelerated in the manner of multithread, without loss of harvest. the proposed algorithm reconfigures the processor array with the mechanics of route distance in order to avoid the routing errors. Simulation results show that the proposed algorithm can accelerate the reconfiguration nearly by 15 times on a 64 x 64 array in comparison to the traditional algorithm cited in this paper.

关键词： Mesh processor array reconfiguration fault tolerance parallel routing

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An Edge Computing Architecture and Application Oriented to distributed Microgrid 19

An Edge Computing Architecture and Application Oriented to D...

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19th ieee international symposium on parallel and distributed processing with applications (ieee ISPA)

作者： Guo Hong Cui Hanjing Wuhan Univ Sci & Technol Sch Comp Sci & Technol Wuhan Peoples R China

ISBN: (纸本)9781665435741

With the rapid development of edge computing technology, the application of edge computing in smart grids has become more and more extensive. But edge computing has not yet been applied to the operation control of distributed power generation microgrid systems. this article proposes a microgrid-oriented edge computing architecture. First, we introduce the main functions of edge-cloud collaboration. then we explain the construction plan of the architecture, including the realization of data processing, network communication and security mechanisms. Finally, we introduce the architecture application practice in a rural community in Central China.

关键词： Microgrid Architecture, Edge computing Edge-cloud collaboration

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Towards High Performance processing of Streaming Data in Large Data Centers 30

Towards High Performance Processing of Streaming Data in Lar...

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30th ieee international parallel and distributed processing symposium (IPDPS)

作者： Kamburugamuve, Supun Ekanayake, Saliya Pathirage, Milinda Fox, Geoffrey Indiana Univ Sch Informat & Comp Bloomington IN 47405 USA

ISBN: (纸本)9781509036820

Smart devices, mobile robots, ubiquitous sensors, and other connected devices in the Internet of things (IoT) increasingly require real-time computations beyond their hardware limits to process the events they capture. Leveraging cloud infrastructures for these computational demands is a pattern adopted in the IoT community as one solution, which has led to a class of Dynamic Data Driven applications (DDDA). these applications offload computations to the cloud through distributed Stream processing Frameworks (DSPF) such as Apache Storm. While DSPFs are efficient in computations, current implementations barely meet the strict low latency requirements of large scale DDDAs due to inefficient inter-process communication. this research implements efficient highly scalable communication algorithms and presents a comprehensive study of performance, taking into account the nature of these applications and characteristics of the cloud runtime environments. It further reduces communication costs within a node using an efficient shared memory approach. these algorithms are applicable in general to existing DSPFs and the results show significant improvements in latency over the default implementation in Apache Storm.

关键词： Storms

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Automatically Instrumenting Scientific applications to Produce Heartbeat Events 30

Automatically Instrumenting Scientific Applications to Produ...

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30th ieee international parallel and distributed processing symposium (IPDPS)

作者： Tanash, Mohammed Ghazanfari, Nasim Aaziz, Omar Cook, Jonathan New Mexico State Univ Las Cruces NM 88003 USA Microsoft Corp Redmond WA 98765 USA

ISBN: (纸本)9781509036820

Exposing the runtime behavior of long running, resource-burning scientific applications on HPC platforms is a must if the platforms are going to be used efficiently and wisely. this paper presents a small work in progress that aims to automatically instrument scientific applications in order to produce a heartbeat event that indicates the application is still progressing. Preliminary results show the feasibility of an automatic approach that will not require developer or user intervention.

关键词： runtime monitoring high performance computing

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the impact of service semantics on the consistent recovery in SOA 12

The impact of service semantics on the consistent recovery i...

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12th ieee international symposium on parallel and distributed processing with applications (ISPA)

作者： Holenko, Mateusz Kobusinska, Anna Wawrzyniak, Dariusz Zierhoffer, Piotr Poznan Univ Tech Inst Comp Sci Poznan Poland

ISBN: (纸本)9781479942930

this paper addresses a problem of consistent recovery of SOA processing. So far, the recovered state was considered as consistent if all events that have occurred before the failure were transparently recovered. However, providing such a strict consistency introduces a high performance overhead. thus, we propose the semantic-based classification of services that enables to slack the notion of consistent recovered state from the viewpoint of services. We also present the extension of RESERVE rollback-recovery protocol that guarantees the proposed relaxed recovery consistency.

关键词： SOA rollback-recovery fault-tolerance consistency of recovered processing

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Partial power processing DC/DC MPPT Converters in Solar PV applications: Overview of Architectures 13

Partial power processing DC/DC MPPT Converters in Solar PV a...

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13th international symposium on Power Electronics for distributed Generation Systems (PEDG)

作者： Kwon, Yong Dae Freijedo, Francisco Wijekoon, thiwanka Liserre, Marco Huawei Technol Dusseldorf GmbH Power Convers Technol Nurnberg Germany Christian Albrechs Univ Kiel Chair Power Elect Kiel Germany

ISBN: (数字)9781665466189

ISBN: (纸本)9781665466189

this paper presents an overview of partial power processing (PPP) DC/DC converter architectures in PV applications which has maximum power point tracking (MPPT) capability. the main objectives of PPP in PV applications target to increase the power density and efficiency while reducing overall cost. the converters applied to the PPP is called partial power converter (PPC) and there are three most actively explored topologies in the solar industrial fields: differential power converter (DPC), fractional power converter (FRPC), and partial power converter (PPC). Some previous studies analyze and compare several PPCs in a highly qualitative manner. In this work, PPP topologies are classified in a comprehensive manner, and their power processing capabilities are analyzed with the volt-ampere (VA) area modeling. Moreover, quantitative comparison of PPP topologies by means of utilization factor (UF) is presented and compared for a utility scale solar park scenario. Finally, overview of PPP architectures are compared and organized with the table.

关键词： component formatting style styling insert (key words)

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Minimalistic Adaptive Resource Management for Multi-tier applications Hosted on Clouds

Minimalistic Adaptive Resource Management for Multi-tier App...

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26th ieee international parallel and distributed processing symposium (IPDPS) / Workshop on High Performance Data Intensive Computing

作者： Iqbal, Waheed Asian Inst Technol Khlong Luang Thailand

ISBN: (纸本)9780769546766

Cloud computing allows Web application owners to host their applications with low operational cost and enables them to scale applications to maintain performance based on traffic load and application resource requirements. However, for multi-tier Web applications, it is difficult to automatically identify the exact location of a bottleneck and scale the appropriate resource tier accordingly because multi-tier applications are complex and bottleneck patterns may be dependent on the specific pattern of workload at any given time. this Ph.D. dissertation aims to explore the possibilities to satisfy response time guarantees for multi-tier applications hosted on clouds using adaptive resource management with minimal hardware profiling and application-centric knowledge.

关键词： multi-tier applications cloud hosting response time guarantees adaptive resource management coarse-grained approach

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Multi-User Gaming on the Grid using a Service Oriented HLA RTI 09

Multi-User Gaming on the Grid using a Service Oriented HLA R...

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13th ieee/ACM symposium on distributed Simulation and Real-Time applications (DS-RT 2009)

作者： Pan, Ke Turner, Stephen John Cai, Wentong Li, Zengxiang Nanyang Technol Univ Sch Comp Engn Parallel & Distributed Comp Ctr Singapore 639798 Singapore

ISBN: (纸本)9780769538686

Interactive multi-user Internet games require frequent state updates between players to accommodate the great demand for reality and interactivity. the large latency and limited bandwidth on the Internet greatly affects the game's scalability. the High Level Architecture (HLA) is the ieee standard for distributed simulation with its Data Distribution Management (DDM) set-vice group assuming the functionalities of interest management. With its support for reuse and interoperability and its DDM support for communication optimization, the HLA is promising at supporting multi-user gaming on the Internet. However this usually requires particular prior security setup across administrative domains according to the specific Run Time Infrastructure (RTI) used. We have previously developed a Service Oriented HLA RTI (SOHR) which enables distributed simulations to be conducted across administrated domains on the Grid. this paper discusses multi-user gaming on the Grid using SOHR. Specifically, a maze game is used to illustrate how SOHR enables users to join a game conveniently. Experiments have been carried out to show how DDM can improve the communication efficiency.

关键词： SOHR distributed Simulation Grid Game RTI HLA

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What the parallel-processing community has (failed) to offer the multi/many-core generation

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JOURNAL OF parallel AND distributed COMPUTING 2009年第9期69卷 807-812页

作者： Traff, Jesper Larsson NEC Europe Ltd NEC Labs Europe D-53757 St Augustin Germany

the international parallel and distributed processing symposium (IPDPS) 2008 panel with the title "How to avoid making the same Mistakes all over again: What the parallel-processing Community has (failed) to offer the multi/many-core Generation" sought to provoke discussion on current and recent computer science education in relation to the emergence of fundamentally parallel multi/many-core systems. Is today's/tomorrow's/yesterday's computer science graduate equipped to deal with the challenges of parallel software development for such systems? Are mistakes from the past being unnecessarily repeated? What are the fundamental contributions of the parallel processing research community to the current state of affairs that are possibly being ignored? What are the new challenges that have not been addressed in past parallel processing research? How should computer-science education in parallel processing look like? Should it be taught at all? To the extent that there was consensus among the panelists, they agreed on the premise for the panel, namely that there is a mismatch in computer-science education concerning parallelism, and that there may be reasons to be concerned. they agreed on stressing the importance of (a) applications as a driving factor in research and education, (b) parallel algorithms, and of (c) focusing on the ease of parallel programming and not exclusively on parallel performance, and cited for instance heterogeneous parallelism and power awareness as new issues for the multi-core generation. the panelists were Hideharu Amano (Keio University), John Gustafson (Clearspeed Technologies), Keshav Pingali (University of Austin, Texas), Vivek Sarkar (Rice University), Uzi Vishkin (University of Maryland), and Katherine Yelick (University of California at Berkeley). the panel was organized and moderated by the author. (c) 2009 Elsevier Inc. All rights reserved.

关键词： IPDPS panel discussion parallel processing Multi-core processors Education parallel algorithmics applications Embedded processing Heterogeneous processing Power awareness

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CODE: Incorporating Correlation and Dependency for Task Scheduling in Data Center 15

CODE: Incorporating Correlation and Dependency for Task Sche...

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15th ieee international symposium on parallel and distributed processing with applications (ISPA) / 16th ieee international Conference on Ubiquitous Computing and Communications (IUCC)

作者： Geng, Jinkun Tsinghua Univ Dept Comp Sci & Technol Beijing Peoples R China

ISBN: (纸本)9781538637906

the popularity of data-parallel applications and big data platforms has led to a variety of communication patterns in data center, which brings more complexity to task scheduling. Existing works try to minimize the overall completion time (i.e. makespan) of tasks but fail to take a full consideration of the relationship among tasks. Focusing on this, we propose a novel task scheduling scheme, CODE, which incorporates both the correlation and dependency among tasks for scheduling. We formulate the problem as a variant of Flexible Job Scheduling Problem (FJSP) to minimize the makespan. Firstly, we propose a novel network abstraction to describe the tasks as well as their relationship. then the problem is formulated into an extensive FJSP and we solve it with a Tabu Search Algorithm. the evaluation has demonstrated the effectiveness of our method. Specifically, there is a reduction of over 16% in makespan with CODE compared with baseline scheduling scheme.

关键词： scheduling makespan correlation dependency FJSP

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