Proceedings Real-Time Technology and Applications Symposium最新文献

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Real-time optimistic concurrency control protocol with dynamic adjustment of serialization order 动态调整序列化顺序的实时乐观并发控制协议
Proceedings Real-Time Technology and Applications Symposium Pub Date : 1995-05-15 DOI: 10.1109/RTTAS.1995.516214
K. Lam, Kam-yiu Lam, S. Hung
{"title":"Real-time optimistic concurrency control protocol with dynamic adjustment of serialization order","authors":"K. Lam, Kam-yiu Lam, S. Hung","doi":"10.1109/RTTAS.1995.516214","DOIUrl":"https://doi.org/10.1109/RTTAS.1995.516214","url":null,"abstract":"Proposes a new real-time optimistic protocol. By using a dynamic adjustment of the serialization order by backward-adjusting the non-serious conflicting transactions before the committing transactions, many unnecessary restarts can be eliminated. In the protocol, no conflict or serialization constraints have to be recorded during the read phase of a transaction. Different priority conflict resolution methods can be easily incorporated in the protocol. In addition, with the use of Thomas's write rule, the number of transaction restarts can further be much reduced.","PeriodicalId":265113,"journal":{"name":"Proceedings Real-Time Technology and Applications Symposium","volume":"31 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115726061","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: 6
A feasibility decision algorithm for rate monotonic scheduling of periodic real-time tasks 周期实时任务速率单调调度的可行性决策算法
Proceedings Real-Time Technology and Applications Symposium Pub Date : 1995-05-15 DOI: 10.1109/RTTAS.1995.516218
Yoshifumi Manabe, S. Aoyagi
{"title":"A feasibility decision algorithm for rate monotonic scheduling of periodic real-time tasks","authors":"Yoshifumi Manabe, S. Aoyagi","doi":"10.1109/RTTAS.1995.516218","DOIUrl":"https://doi.org/10.1109/RTTAS.1995.516218","url":null,"abstract":"The rate monotonic scheduling algorithm is a commonly used task scheduling algorithm for periodic real time task systems. The paper discusses feasibility decision for a given real time task system by the rate monotonic scheduling algorithm. It presents a new necessary and sufficient condition for a given task system to be feasible, and a new feasibility decision algorithm based on that condition. The time complexity of this algorithm depends solely on the number of tasks. This algorithm can be applied to the inverse deadline scheduling algorithm, which is an extension of the rate monotonic scheduling algorithm.","PeriodicalId":265113,"journal":{"name":"Proceedings Real-Time Technology and Applications Symposium","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-05-15","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123057442","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: 20
A model and tools for supporting parallel real-time applications in Unix environments 在Unix环境中支持并行实时应用程序的模型和工具
Proceedings Real-Time Technology and Applications Symposium Pub Date : 1995-04-01 DOI: 10.1109/RTTAS.1995.516209
R. Wisniewski, Luis Stevens
{"title":"A model and tools for supporting parallel real-time applications in Unix environments","authors":"R. Wisniewski, Luis Stevens","doi":"10.1109/RTTAS.1995.516209","DOIUrl":"https://doi.org/10.1109/RTTAS.1995.516209","url":null,"abstract":"As real-time applications become more complex, it becomes increasingly important to provide both a clean model for their development and the ability to verify that their execution matches the development model. In addition to becoming more complex, soft real-time programs are becoming more mainstream, and as such are being run on platforms running some variant of Unix. It is even more important in these environments to be able to monitor a program and understand its behavior. We describe a frame scheduler that provides a simple model to the real-time programmer while maintaining considerable flexibility. We motivate and describe the implementation of FrameView, a set of tools closely coupled with the frame scheduler. Since FrameView and the frame scheduler were developed in conjunction with each other and are tightly coupled, they provide a powerful and efficient means for programmers to implement, analyze and modify soft parallel real-time applications. The frame scheduler is fully implemented in IRIX 5.3, and FrameView is in beta release. In this paper, we describe our experiences building and using the frame scheduler and FrameView.","PeriodicalId":265113,"journal":{"name":"Proceedings Real-Time Technology and Applications Symposium","volume":"3 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"1995-04-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128129545","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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