乐观模拟中抢占回滚因果关系不一致跟踪的开销与有效性权衡

Proceedings. Sixth IEEE International Workshop on Distributed Simulation and Real-Time Applications Pub Date : 2002-10-11 DOI:10.1109/DISRTA.2002.1166890

F. Quaglia, Andrea Santoro, B. Ciciani

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引用次数: 1

摘要

我们讨论并比较了三种不同的因果关系不一致跟踪机制，以支持在myrinet集群上的乐观并行模拟中的抢先回滚。这些机制在揭示当前执行的模拟事件的因果关系不一致方面表现出不同的通信/处理开销和不同的有效性。通过对经典模拟基准的实证研究的结果，我们发现了这些机制之间的一些权衡，指出了应用程序上下文的指示，每个机制都应该被很好地定制。

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Trade-offs in overhead vs effectiveness of causality inconsistency tracking for preemptive rollback in optimistic simulation

We discuss and compare three different causality inconsistency tracking mechanisms in support of preemptive rollback in optimistic parallel simulation on myrinet clusters. These mechanisms exhibit different communication/processing overhead and also different effectiveness in revealing causality inconsistency of the currently executed simulation event. By the results of an empirical study on a classical simulation benchmark we have found some trade-offs between these mechanisms, pointing out indications of application contexts for which each mechanism is expected to be well tailored.

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Proceedings. Sixth IEEE International Workshop on Distributed Simulation and Real-Time Applications

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