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[1993] Proceedings 26th Annual Simulation Symposium最新文献

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COPS: A Computer Operations Performance Simulation System COPS:计算机操作性能模拟系统
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639134
Dennis S. Mok, Dan Daly, Joe Giegle, K. Kant, Yi-Bing Lin, V. Mak
{"title":"COPS: A Computer Operations Performance Simulation System","authors":"Dennis S. Mok, Dan Daly, Joe Giegle, K. Kant, Yi-Bing Lin, V. Mak","doi":"10.1109/SIMSYM.1993.639134","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639134","url":null,"abstract":"Performance analysis of Computer Operations Systems in the integrated System-of-Systems environment is a dijjicult but essential task to assure their successful deployment. This paper describes a prototyping effort, entitled COPS (Computer Operations Perfomme Simulation System), initiated to provide a mechanism for the eflcient modeling and simulation of integrated operations Systems performance by system designers, planners and performance analysts. We deJine the objectives of the COPS work, the requirements and scope of the study, the modeling concept on which COPS is based, the COPS system design, a description of each of the major COPS building blocks and an example application of COPS to an integrated Operations Systems modeling problem.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133312249","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
Performance Evaluations Of Adaptive Wormhole Routing In 3D Mesh Networks 三维网状网络中自适应虫洞路由的性能评价
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639079
Ziqiang Liu, H. Wu
{"title":"Performance Evaluations Of Adaptive Wormhole Routing In 3D Mesh Networks","authors":"Ziqiang Liu, H. Wu","doi":"10.1109/SIMSYM.1993.639079","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639079","url":null,"abstract":"The performance of interconnection networks can be improved drastically by using wormhole routing and virtual channel flow control. Adaptive routing strategies, which are superior to oblivious routing, supply a set of alternative output virtual channels associated with different physical links, when a message is routed. A selection function selects a free one from the set. In this paper, we have evaluated the performance of three adaptive wormhole routing algorithms with minimum paths in 3D mesh networks: Dynamic Routing proposed by Dally and Aoki, Negative Last routing developed by Glass and Ni based on their Turn Model and Full Dynamic Routing proposed by us based on Duato’s adaptive routing theory. Three different selection functions, namely Static, Random and Greedy have been compared.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"112 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133909855","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
Warplog: Time Warped Logical Objects 扭曲:时间扭曲的逻辑对象
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639051
K. Kochut, John A. Miller
{"title":"Warplog: Time Warped Logical Objects","authors":"K. Kochut, John A. Miller","doi":"10.1109/SIMSYM.1993.639051","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639051","url":null,"abstract":"This paper presents the first approach to the simulation language called WarpLog, utilizing concurrent objectoriented logic programming paradigm based on the Time Warp semantics. A WarpLog program is a collection of communicating active objects, called agents. As in concurrent object-oriented processing, message passing is the only means for achieving cooperation and synchronization among concurrently processing agents, but processing of messages is based on the Time Warp mechanism. WarpLog provides a flexible way of defining classes of objects, specifying their state variables (properties) as well as their methods (behavior). In addition, an active object (agent) has a script, which specges some activity performed by the active object. WarpLog provides also multiple inheritance as a tool for expressing hierarchical similarities mng various agent classes.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"71 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"117303094","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
Object-oriented Simulation Of Capability Based Architectures 基于能力架构的面向对象仿真
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639143
Stephen R. Daily, M. Samadzadeh
{"title":"Object-oriented Simulation Of Capability Based Architectures","authors":"Stephen R. Daily, M. Samadzadeh","doi":"10.1109/SIMSYM.1993.639143","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639143","url":null,"abstract":"An architectureloperating system simulation package has been designed, developed, and used at Oklahoma State University for the past several years both as a research tool and a vehicle to teach operating systems concepts. mis paper reports on the enhancement of the objectoriented simulation package to aid in modeling objectbased computer architectures. lhis new version of the package allows the modeling of architectures that use selfidentifiing data. A two-tiered instruction set is wed to allow von Neumann architectures to be modeled using only the lower tier instruction set, while facilitating the modeling of object-based architectures by using the highlevel instruction set.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"121186227","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
Evaluation Of Three Approaches To Parallel Logic Simulation On A Distributed Memory Multiprocessor 分布式存储多处理器上并行逻辑仿真的三种方法的评价
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639047
P. Luksch
{"title":"Evaluation Of Three Approaches To Parallel Logic Simulation On A Distributed Memory Multiprocessor","authors":"P. Luksch","doi":"10.1109/SIMSYM.1993.639047","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639047","url":null,"abstract":"Three approaches to parallel discrete event simulation have been applied to a logic simulator which incorporates most of today’s state-of-the-art techniques in modelling digital circuit behaviour at the gate level. The code partitioning approach decomposes the simulation algorithm itself into a set of tasks which cooperate in a pipeline. Two parallel simulators using the data partitioning approach have been implemented. Simulators are coupled loosely and use Time Warp and a conservative protocol for synchronisation, respectively. This paper will describe the parallel simulators’ implementation on the basis of a programming library for distributed memory multiprocessors. Resuits will be presented for program executions on the iPSC/2‘ and iPSC/SSO.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"130505661","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
Reducing Rollback Overhead In Time-warp Based Distributed Simulation With Optimized Incremental State Saving 利用优化的增量状态保存减少基于时间扭曲的分布式仿真中的回滚开销
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639048
H. Bauer, C. Sporrer
{"title":"Reducing Rollback Overhead In Time-warp Based Distributed Simulation With Optimized Incremental State Saving","authors":"H. Bauer, C. Sporrer","doi":"10.1109/SIMSYM.1993.639048","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639048","url":null,"abstract":"Distributed simulation employing the Time Warp mechanism suffers from the enormous amount of memory it uses for state saving. The main goal of this paper is to address this problem by introducing an incremental state saving technique with an optimized rollback mechanism. This method is especially suitable for simulations with large simulation states and a small amount of state change from one simulation step to the next. A very common example of such a simulation environment is digital logic simulation with up to a few hundred thousand signal and element states with only a small number of signals changing between two simulation steps. The event queue-indispensable part of every discrete event simulation system-is used as a management tool for incremental state saving, thus reducing administration overhead drastically. An optimized rollback mechanism ensures that only those parts of the simulation state are restored which have to be updated to the rollback time. Results on the experimental observation of memory usage for incremental state saving and time performance show the effectiveness of the introduced mechanisms on our Time Warp system.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"95 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"125982072","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: 66
Dynamic Performance Profiles Of Simulation Calendars 仿真日历的动态性能配置文件
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639154
Ke-Hsiung Chung, Janche Sang, V. Rego
{"title":"Dynamic Performance Profiles Of Simulation Calendars","authors":"Ke-Hsiung Chung, Janche Sang, V. Rego","doi":"10.1109/SIMSYM.1993.639154","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639154","url":null,"abstract":"We propose a suite of tests based on two-state Markov chains for experimentally assessing the dynamic performance of a variety of simulation calendar implementations. In contrast to previous studies based on the standard hold model for evaluation of performance statically, the proposed Markov hold model is more general and can be used to examine how different implementations respond dynamically to dependent sequences of insertion and deletion requests. The Markov hold model is used to conduct tests based on random, stressed, and correlated input sequences of requests, with performance measures including completion times, sensitivity to correlations, sensitivity to duplication, and eficiency of data-handling. We apply these tests to fourteen different simulation calendar implementations.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"29 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127866906","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: 1
Building Reusable Models And Large Scale Simulations Using The General Simulation System 使用通用仿真系统构建可重用模型和大规模仿真
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639145
W. Cave, Naeem Malik
{"title":"Building Reusable Models And Large Scale Simulations Using The General Simulation System","authors":"W. Cave, Naeem Malik","doi":"10.1109/SIMSYM.1993.639145","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639145","url":null,"abstract":"INTRODUCTION Our next concern is the ability for people other than the original authors to quickly and easily expand and enhance a model. This adds to the level of reusabiliTwo common reasons that commter models become obsolete are their lack of vhdity and lack of reusability. The ease with which models can be validated and reused is directly related to their understandability and their inde endence from other models in a simulation. !Ius paper describes a methodology that allows serious modelers to design complex models as they are best understood hierarchically, gra@ically, and with lain Enghsh text. l k s","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"24 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"127872395","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
Simulation Of Optimized Distributed Query Schedules On A Hypercube Network Hypercube网络上优化的分布式查询调度仿真
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639129
Steven G. Popovich, Mansoor Alam, S. Bandyopadhyay
{"title":"Simulation Of Optimized Distributed Query Schedules On A Hypercube Network","authors":"Steven G. Popovich, Mansoor Alam, S. Bandyopadhyay","doi":"10.1109/SIMSYM.1993.639129","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639129","url":null,"abstract":"This paper presents a simulation methodology for per- formance evaluation of distributed database query opti- mization schedules on a Hypercube network using SIM- SCRIPT II.STM. The simulation describes JOIN and SEMI-JOIN query processing schedules executing on a 32 node Hypercube packet switched network operating at 80 Mbitsls. This paper compares changes in relation loca- tion of optimized schedules. The simulation methodology describes and evaluates the use of SEMI-JOIN and JOIN query processing tactics with changes in relation location on a Hypercube network. The simulation supports a sliding window protocol of one and shortest path adaptive rout- ing. Results show the JOIN tactic preforms well even with changes in relation location.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"27 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"131241588","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
Multilevel Simulation Of Distributed-memory Program Traces 分布式内存程序轨迹的多级仿真
[1993] Proceedings 26th Annual Simulation Symposium Pub Date : 1900-01-01 DOI: 10.1109/SIMSYM.1993.639065
J. Prost, S. Kipnis
{"title":"Multilevel Simulation Of Distributed-memory Program Traces","authors":"J. Prost, S. Kipnis","doi":"10.1109/SIMSYM.1993.639065","DOIUrl":"https://doi.org/10.1109/SIMSYM.1993.639065","url":null,"abstract":"Simulation of program traces is widely used in studying the impact of a system design on the beliavior of application programs. In this paper, we present a multilevel approach for simulating program traces. This approach provides the flexibility of selecting a desirable balance between tlie accuracy and the cost of simulation. We describe a case study of applying this approach to simulating traces of distributed-memory programs. The case study involves defining a hierarchical model of a parallel computer, defining a corresponding hierarchy of simulation levels, and defining the interface between successive simulation levels. The described case study resulted in a tool aimed at assisting designers of algorithms and applications for the IBM Vulcan distributed-memory parallel computer.","PeriodicalId":204479,"journal":{"name":"[1993] Proceedings 26th Annual Simulation Symposium","volume":"126 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1900-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"133012361","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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