ACM Transactions on Programming Languages and Systems (TOPLAS)
A case study in simulating PCS networks using Time Warp
PADS '95 Proceedings of the ninth workshop on Parallel and distributed simulation
Exploiting temporal uncertainty in parallel and distributed simulations
PADS '99 Proceedings of the thirteenth workshop on Parallel and distributed simulation
Exploiting model independence for parallel PCS network simulation
PADS '99 Proceedings of the thirteenth workshop on Parallel and distributed simulation
ROSS: a high-performance, low memory, modular time warp system
PADS '00 Proceedings of the fourteenth workshop on Parallel and distributed simulation
Pre-sampling as an approach for exploiting temporal uncertainty
PADS '00 Proceedings of the fourteenth workshop on Parallel and distributed simulation
ACM Transactions on Modeling and Computer Simulation (TOMACS)
A time warp mechanism based on temporal uncertainty
Transactions of the Society for Computer Simulation International - Special issue on distributed simulation and real-time applications
CCL v3.0: Multiprogrammed Semi-Asynchronous Checkpoints
Proceedings of the seventeenth workshop on Parallel and distributed simulation
A new random walk model for PCS networks
IEEE Journal on Selected Areas in Communications
Bias in parallel and distributed simulation systems
WSC '05 Proceedings of the 37th conference on Winter simulation
Controlling Bias in Optimistic Simulations with Space Uncertain Events
DS-RT '08 Proceedings of the 2008 12th IEEE/ACM International Symposium on Distributed Simulation and Real-Time Applications
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The notion of temporal uncertainty, expressed as the possibility for an event to occur in an interval of simulation time, rather than at a specific instant, has been recently proposed and exploited in order to enhance the performance of parallel/distributed simulation systems. In this paper we propose the concept of "spatial uncertainty" expressed as the possibility for a simulation event to occur in one of a set of points within the simulated system space. How to handle/exploit space uncertain events in an optimistic simulation system is discussed. Also, experimental results for optimistic simulations of a Personal Communication System (PCS) modeled with space uncertain events are reported. These results show the ability of spatial uncertainty to increase the performance of the parallel simulation system by providing a more flexible approach to synchronization.