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Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -最新文献

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Tailorable component architectures for CSCW-systems 面向cscw系统的可定制组件架构
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647213
Oliver Stiemerling, A. Cremers
{"title":"Tailorable component architectures for CSCW-systems","authors":"Oliver Stiemerling, A. Cremers","doi":"10.1109/EMPDP.1998.647213","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647213","url":null,"abstract":"Tailorability is generally regarded as a key property of CSCW systems, because cooperative activities provide for very dynamic and diversified requirements. Extensive tailorability has to be supported by the design of the system architecture. We investigate the value of component architectures for this purpose and discuss several design options for the questions raised by this approach. We propose a model of a component architecture, which supports tailoring activities by changing parameter settings of single components, changing the composition of components, and changing the implementation of components. Hierarchical composition of components allows for tailoring operations on different levels of abstraction and complexity. We introduce the concepts of tailoring constraints, tailoring constructs, and tailoring rights, which allow a controlled evolution of the system. Finally, we show how our approach can be employed to design a tailorable application.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"123 8","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131880036","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: 56
Performance issues of message transmission on cluster-based multicomputer 基于集群的多计算机信息传输性能问题
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647229
Sung-In Jung, Jae Kyoung Lee, Hae-Jin Kim
{"title":"Performance issues of message transmission on cluster-based multicomputer","authors":"Sung-In Jung, Jae Kyoung Lee, Hae-Jin Kim","doi":"10.1109/EMPDP.1998.647229","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647229","url":null,"abstract":"With great interest in high performance, scalability, and availability, we have been developing cluster based multicomputer, scalable parallel architecture computer based on crossbar network (SPAX), and its operating system (MISIX). Because the MISIX is a microkernel based operating system, both local communication and remote communication between many servers are indispensable. A local communication mechanism is performed within a local memory, but a remote communication is completed through XNIF boards on SPAX. One of the most significant problems is how to transmit many messages to remote nodes rapidly. We investigate the performance issues involved in implementing remote communication primitives on a high speed network. Experimental results concerning the management of send buffers, the effect of confirmation interrupt, the selection of proper message type, and the management of reception buffers are presented and evaluated.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"163 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133466238","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: 0
Improving parallel computer communication: dynamic routing balancing 改进并行计算机通信:动态路由平衡
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647187
I. Garcés, Daniel Franco, E. Luque
{"title":"Improving parallel computer communication: dynamic routing balancing","authors":"I. Garcés, Daniel Franco, E. Luque","doi":"10.1109/EMPDP.1998.647187","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647187","url":null,"abstract":"Interconnection networks appear in several technological fields of great importance. An efficient design of such a network is crucial because of its impact on system performance. A routing scheme that minimises contention should be included. We have developed a new method to uniformly distribute traffic over the network called Dynamic Routing Balancing (DRB) that it is based on limited and load-controlled path randomisation in order to maintain a low message latency and avoid the formation of hot-spots. DRB has two components: Static alternative path definition and dynamic path selection policies. We present the alternative path definition and its implementation for k-ary n-cubes and midimew networks, as well as, its evaluation in terms of latency and bandwidth. Some conclusions and comparisons with existing methods are done. Also, the selection policies are described. They are designed with the goals of minimising monitoring and decision overhead.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"19 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115479817","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
High-level CHILL debugging system in cross-development environments 跨开发环境下的高级CHILL调试系统
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647200
Youngjoon Byun, Young-Sik Chung, Byung-Sun Lee
{"title":"High-level CHILL debugging system in cross-development environments","authors":"Youngjoon Byun, Young-Sik Chung, Byung-Sun Lee","doi":"10.1109/EMPDP.1998.647200","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647200","url":null,"abstract":"CHILL is a concurrent programming language, especially for implementing telecommunications software. ETRI has used the language for the development of switching software. Generally, switching software is characterized by real-time execution, parallel and distributed processing, large scale source code, and high complexity. The software is also developed on cross development environments. In this paper, we present a CHILL cross debugging system, in which the system can test and debug the programs on remote system from local system. The system provides the traditional debugging features such as executing and tracing a program, listing source code, setting breakpoints, examining and setting program locations, and single-stepping. It also provides parallel and distributed real-time debugging, a powerful command language, signal sending capability, and graphical user interface for switching software.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"292 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116308038","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
PARASOL interface to new parallel solvers: a case study 新并行求解器的PARASOL接口:一个案例研究
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647210
Alexander V. Supalov, C. Thole
{"title":"PARASOL interface to new parallel solvers: a case study","authors":"Alexander V. Supalov, C. Thole","doi":"10.1109/EMPDP.1998.647210","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647210","url":null,"abstract":"The paper presents an overview of the PARASOL interface and its potential impact on facilitating transfer of technology from the academic researchers to the industrial end users. The PARASOL project aims at developing scalable direct and iterative solvers and testing them on real problems with respect to applicability and robustness in the industrial applications such as linear structural analysis (MSC/NASTRAN and SESAM), simulation of nonlinear forming and deformation processes (ARC3D and INDEED), and modeling of incompressible viscous flow (POLYFLOW).","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"434 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"122736235","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: 0
Parallel simulation in rewriting logic: some observations 重写逻辑中的并行模拟:一些观察
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647198
K. Djemame, M. Bettaz
{"title":"Parallel simulation in rewriting logic: some observations","authors":"K. Djemame, M. Bettaz","doi":"10.1109/EMPDP.1998.647198","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647198","url":null,"abstract":"In this paper, the relationship between the computational models of object-oriented rewriting and parallel discrete-event simulation models is explored. A discrete-event simulation program in which several objects interact with each other by exchanging messages may have a high degree of concurrency (which can be exploited using optimistic or conservative parallel simulation methods). We report on some observations on using rewriting logic in the field of parallel discrete event simulations, and investigate how parallel simulation applications can be expressed using object-oriented rewriting.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121763287","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: 0
Preserving message integrity in dynamic process migration 在动态流程迁移中保持消息完整性
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647222
E. Heymann, F. Tinetti, E. Luque
{"title":"Preserving message integrity in dynamic process migration","authors":"E. Heymann, F. Tinetti, E. Luque","doi":"10.1109/EMPDP.1998.647222","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647222","url":null,"abstract":"Processor and network management have a great impact on the performance of distributed memory parallel computers. Dynamic process migration allows load balancing and communication balancing at execution time. Managing the communications involving the migrating process is one of the problems that dynamic process migration implies. To study this problem, which we have called the message integrity problem, six algorithms have been analysed. These algorithms have been studied by sequential simulation, and have also been implemented in a parallel machine for different user process pattern in presence of dynamic migration. To compare the algorithms, different performance parameters have been considered. The results obtained have given preliminary information about the algorithms' behaviour, and have allowed us to perform an initial comparative evaluation among them.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"65 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"129165682","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: 4
High-performance mixed-machine heterogeneous computing 高性能混合机异构计算
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647172
Muthucumaru Maheswaran, T. D. Braun, H. Siegel
{"title":"High-performance mixed-machine heterogeneous computing","authors":"Muthucumaru Maheswaran, T. D. Braun, H. Siegel","doi":"10.1109/EMPDP.1998.647172","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647172","url":null,"abstract":"The focus of this invited keynote paper (to be presented by H.J. Siegel) is mixed-machine heterogeneous computing, where a suite of different kinds of high-performance machines are interconnected by high-speed links. Such a system can be orchestrated to perform an application whose subtasks have diverse execution requirements. Subtasks are assigned to and executed on the machines that will result in a minimal overall execution time for the task, considering factors including inter-machine communication overhead. A conceptual model of the automatic decomposition of tasks and assignment of subtasks is presented. Examples of static and dynamic approaches to the matching and scheduling of subtasks are summarized. Some open research problems are discussed.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"42 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128173472","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: 22
Low-level benchmarking: performance profiles 低级基准测试:性能配置文件
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647179
R. Hockney, V. Getov
{"title":"Low-level benchmarking: performance profiles","authors":"R. Hockney, V. Getov","doi":"10.1109/EMPDP.1998.647179","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647179","url":null,"abstract":"The aim of this paper is to advance the presentation of low-level benchmarking results in the form of performance profiles, which present concisely on one or two pages the single- or multi-processor performance results. A profile consists of measured and derived performance parameters which characterise the performance of parallel computers. In order to achieve a more systematic approach to low-level benchmarking methodology, we also introduce the concept of the benchmarking frame. Several sets of low-level benchmarking results from current RISC platforms including DEC Alpha, SGI Onyx, and SUN Ultra-2 are shown to prove the validity of our approach.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"12 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128919119","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
Causal broadcasting based on sliding windows 基于滑动窗口的因果广播
Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 - Pub Date : 1998-01-21 DOI: 10.1109/EMPDP.1998.647191
R. Baldoni
{"title":"Causal broadcasting based on sliding windows","authors":"R. Baldoni","doi":"10.1109/EMPDP.1998.647191","DOIUrl":"https://doi.org/10.1109/EMPDP.1998.647191","url":null,"abstract":"Causal broadcasting protocols are usually implemented on top of communication subsystems which adopt a FIFO sliding window flow control using acknowledgement messages. Such messages can be source of information about the causality relations among application messages which can reduce the amount of control information necessary to guarantee causal deliveries (i.e., a vector of unbounded integer). In this paper we introduce the concept of causal window which represents the range in which all possible causal ordering violations fall. We show that, if an acknowledgement scheme is used, the size of the causal window is bounded. This allows a module implementation of the control information. A causal broadcasting protocol adopting a positive acknowledgement (PAK) scheme using credits is also presented.","PeriodicalId":265140,"journal":{"name":"Proceedings of the Sixth Euromicro Workshop on Parallel and Distributed Processing - PDP '98 -","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1998-01-21","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125251542","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: 0
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