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2010 Ninth International Symposium on Parallel and Distributed Computing最新文献

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Numerical Analysis of a Dual-Sediment Transport Model Applied to Lake Okeechobee, Florida 佛罗里达奥基乔比湖双输沙模式的数值分析
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.29
S. Clark, Wenjie Wei, X. Cai
{"title":"Numerical Analysis of a Dual-Sediment Transport Model Applied to Lake Okeechobee, Florida","authors":"S. Clark, Wenjie Wei, X. Cai","doi":"10.1109/ISPDC.2010.29","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.29","url":null,"abstract":"We have studied two numerical strategies for solving a coupled system of dictinct nonlinear equations governing sediment transport in Lake Okeechobee. Using high-resolution bathymetry data of Lake Okeechobee, Florida, we study the numerical properties of the two strategies, from 1 core to 512 cores. The fully-explicit scheme is straightforward to implement and requires a relatively small amount of computation per time step. However, this simple numerical strategy has to use small time steps to ensure stability. These small time steps may render the explicit solver impractical for long-term and high-resolution basin simulations. As a comparison, we have implemented a semi-implicit scheme, where the two partial differential equations at each time step are solved implicitly in sequence. Numerical experiments show that this semi-implicit scheme is numerically stable even for very large time steps. Using a multicore-based cluster, we have carried out parallel simulations of sediment transport along a river chanel and into Lake Okeechobee.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117160296","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Application of the ESB Architecture for Distributed Monitoring of the SLA Requirements 用于分布式监视SLA需求的ESB体系结构的应用
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.21
Kornel Skalkowski, Jakub Sendor, R. Słota, J. Kitowski
{"title":"Application of the ESB Architecture for Distributed Monitoring of the SLA Requirements","authors":"Kornel Skalkowski, Jakub Sendor, R. Słota, J. Kitowski","doi":"10.1109/ISPDC.2010.21","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.21","url":null,"abstract":"Growing role of the cooperation between companies around the world causes the rise of meaning of the SLA agreements which are negotiated among companies. These agreements usually require a reliable and robust monitoring process, since their fulfilment is crucial for the coherence of the cooperation. In this paper we present the application of the ESB integration architecture in the specialized distributed monitoring system - the FiVO SLA monitoring system - which is used to monitor the resources and services shared among the cooperating companies. Different deployment models of this system are proposed and the results from their performance tests are presented.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128724282","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 10
Optimizing the Reliability of Pipelined Applications under Throughput Constraints 在吞吐量限制下优化流水线应用程序的可靠性
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.9
A. Benoit, Hinde-Lilia Bouziane, Y. Robert
{"title":"Optimizing the Reliability of Pipelined Applications under Throughput Constraints","authors":"A. Benoit, Hinde-Lilia Bouziane, Y. Robert","doi":"10.1109/ISPDC.2010.9","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.9","url":null,"abstract":"Mapping a pipelined application onto a distributed and parallel platform is a challenging problem. The problem becomes even more difficult when multiple optimization criteria are involved, and when the target resources are heterogeneous (processors and communication links) and subject to failures. This paper investigates the problem of mapping pipelined applications, consisting of a linear chain of stages executed in a pipeline way, onto such platforms. The objective is to optimize the reliability under a performance constraint, i.e., while guaranteeing a threshold throughput. In order to increase reliability, we replicate the execution of stages on multiple processors. We present complexity results, proving that this bi-criteria optimization problem is NP-hard. We then propose some heuristics, and discuss extensive experiments evaluating their performance.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128901080","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
Prediction of Distributed Systems State Based on Monitoring Data 基于监控数据的分布式系统状态预测
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.28
A. Draghici, Alexandru Costan, V. Cristea
{"title":"Prediction of Distributed Systems State Based on Monitoring Data","authors":"A. Draghici, Alexandru Costan, V. Cristea","doi":"10.1109/ISPDC.2010.28","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.28","url":null,"abstract":"Autonomic behavior has emerged as a solution for the issues related to performance improvement and resource-usage optimization in large scale distributed systems. This solution relies on monitoring services to keep track of the states of the managed systems. However, most of the monitoring services are designed to provide general resource information and do not consider specific information for higher-level services, lacking important control capabilities. In this context, a dynamic adaptation layer is required. Based on the collected monitoring information in conjunction with some planning and prediction algorithms, it should be able to reactive and proactive deal with detected or predicted conditions. This paper presents a prediction architecture developed within the MonALISA monitoring framework, providing methods for estimating future values for different parameters on various periods of time. The predictions are used to enhance the self-adaptive behavior of several data intensive applications. Our research was focused on machine learning algorithms correlated with statistical techniques for data mining purposes in order to perform n-step-ahead time series predictions and to evaluate their performances dynamical.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"8 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"132128331","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 5
Early Performance Evaluation of New Six-Core Intel® Xeon® 5600 Family Processors for HPC 新型六核Intel®Xeon®5600系列高性能计算处理器的早期性能评估
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.23
P. Gepner, M. Kowalik, D. L. Fraser, K. Wackowski
{"title":"Early Performance Evaluation of New Six-Core Intel® Xeon® 5600 Family Processors for HPC","authors":"P. Gepner, M. Kowalik, D. L. Fraser, K. Wackowski","doi":"10.1109/ISPDC.2010.23","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.23","url":null,"abstract":"In this paper we take a look at what the newest member of the Intel Xeon Processor family, code named Westmere brings to high performance computing. We compare three generations of Intel Xeon based systems and present a performance evolutions based on 16 node clusters based on these CPUs respectively. We compare CPU generations utilizing dual socket platforms and a cluster across a number of HPC benchmarks and focused on different performance field and aspect. We will evaluate also technologies and features like Intel’s Hyper Threading Technology (HT) and Intel Turbo Boost Technology (Turbo Mode) and the performance implication of these technologies for HPC.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"62 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131912650","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 18
Decentralised and Adaptive Collaboration in Multi-agent Systems 多智能体系统中的分散和自适应协作
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.24
Emre Çakar, C. Müller-Schloer
{"title":"Decentralised and Adaptive Collaboration in Multi-agent Systems","authors":"Emre Çakar, C. Müller-Schloer","doi":"10.1109/ISPDC.2010.24","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.24","url":null,"abstract":"Developing multi-agent systems with self-interested agents with a large behavioural repertoire is a great challenge. In this paper, we pursue the question of how to combine collaborative and non-collaborative agent behaviours in a way to outperform each behaviour individually. In this context, we investigate different collaboration patterns between the agents in a test scenario from the predator-prey domain. Here, the predators move around a 2-D grid and use a parameterisable behaviour model to determine their positions on the grid. Having this behaviour model, each predator can modify a single parameter to change/adapt its behaviour against other predators in the system. This adaptation can be done either (1) in a collaborative way, where the predators collectively search for the optimal set of parameters on behalf of the whole group or (2) in a non-collaborative way, where each predator changes its behaviour individually only on its own behalf. We investigate a method for adaptively combining these behaviours and show how to quantify the resulting behaviour.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130670800","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
Realizing Optimization Opportunities for Distributed Applications in the Middleware Layer by Utilizing InDiGO Framework 利用InDiGO框架实现中间件层分布式应用的优化机会
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.31
Valeriy A. Kolesnikov
{"title":"Realizing Optimization Opportunities for Distributed Applications in the Middleware Layer by Utilizing InDiGO Framework","authors":"Valeriy A. Kolesnikov","doi":"10.1109/ISPDC.2010.31","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.31","url":null,"abstract":"InDiGO framework provides an infrastructure to develop generic but customizable middleware services. It also provides tools to customize the middleware algorithms for specific applications. Such customization allows one to optimize algorithms by removing communication which is redundant in the context of a specific application. In this paper, we apply InDiGO framework to study a class of bidding distributed applications. In particular, we will study how optimization level is affected by varying several application parameters, such as number of clusters, number of components per cluster, number of clusters with local ordering and number of components per process. The results of this study will help us to answer questions like: What type of application information is useful for optimization in InDiGO framework? or How does the application structure or its size affect the level of optimization? We present experimental results to demonstrate the optimizations when our infrastructure is utilized.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"9 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125343370","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 3
DSL-Lab: A Low-Power Lightweight Platform to Experiment on Domestic Broadband Internet DSL-Lab:一个低功耗、轻量级的国内宽带互联网实验平台
2010 Ninth International Symposium on Parallel and Distributed Computing Pub Date : 2010-07-07 DOI: 10.1109/ISPDC.2010.27
Gilles Fedak, Jean-Patrick Gelas, T. Hérault, Victor Iniesta, Derrick Kondo, Laurent Lefèvre, Paul Malecot, Lucas Nussbaum, Ala Rezmerita, Olivier Richard
{"title":"DSL-Lab: A Low-Power Lightweight Platform to Experiment on Domestic Broadband Internet","authors":"Gilles Fedak, Jean-Patrick Gelas, T. Hérault, Victor Iniesta, Derrick Kondo, Laurent Lefèvre, Paul Malecot, Lucas Nussbaum, Ala Rezmerita, Olivier Richard","doi":"10.1109/ISPDC.2010.27","DOIUrl":"https://doi.org/10.1109/ISPDC.2010.27","url":null,"abstract":"This article presents the design and building of DSL-Lab, a platform to experiment on distributed computing over broadband domestic Internet. Experimental platforms such as PlanetLab and Grid'5000 are promising methodological approaches to study distributed systems. However, both platforms focus on high-end service and network deployments only available on a restricted part of the Internet, leaving aside the possibility for researchers to experiment in conditions close to what is usually available with domestic connection to the Internet. DSL-Lab is a complementary approach to PlanetLab and Grid'5000 to experiment with distributed computing in an environment closer to how Internet appears, when applications are run on end-user PCs. DSL-Lab is a set of 40 low-power and low-noise nodes, which are hosted by participants, using the participants' xDSL or cable access to the Internet. The objective is to provide a validation and experimentation platform for new protocols, services, simulators and emulators for these systems. In this paper, we report on the software design (security, resources allocation, power management) as well as on the first experiments achieved.","PeriodicalId":444451,"journal":{"name":"2010 Ninth International Symposium on Parallel and Distributed Computing","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2010-07-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127029015","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 8
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