ACM Transactions on Programming Languages and Systems (TOPLAS)
Limitation of optimism in the time warp operating system
WSC '89 Proceedings of the 21st conference on Winter simulation
Parallel discrete event simulation
Communications of the ACM - Special issue on simulation
A study of time warp rollback mechanisms
ACM Transactions on Modeling and Computer Simulation (TOMACS)
Selecting the checkpoint interval in time warp simulation
PADS '93 Proceedings of the seventh workshop on Parallel and distributed simulation
PADS '93 Proceedings of the seventh workshop on Parallel and distributed simulation
The local Time Warp approach to parallel simulation
PADS '93 Proceedings of the seventh workshop on Parallel and distributed simulation
PADS '94 Proceedings of the eighth workshop on Parallel and distributed simulation
A case study in simulating PCS networks using Time Warp
PADS '95 Proceedings of the ninth workshop on Parallel and distributed simulation
Clustered time warp and logic simulation
PADS '95 Proceedings of the ninth workshop on Parallel and distributed simulation
Global Virtual Time and distributed synchronization
PADS '95 Proceedings of the ninth workshop on Parallel and distributed simulation
Dynamic load balancing of a multi-cluster simulator on a network of workstations
PADS '95 Proceedings of the ninth workshop on Parallel and distributed simulation
A parallel distributed simulation of a large-scale PCS network: keeping secrets
WSC '95 Proceedings of the 27th conference on Winter simulation
Automated load balancing in SPEEDES
WSC '95 Proceedings of the 27th conference on Winter simulation
NPSI adaptive synchronization algorithms for PDES
WSC '95 Proceedings of the 27th conference on Winter simulation
Adaptive algorithms vs. Time Warp: an analytical comparison
WSC '95 Proceedings of the 27th conference on Winter simulation
Experiments in automated load balancing
PADS '96 Proceedings of the tenth workshop on Parallel and distributed simulation
The dynamic load balancing of clustered time warp for logic simulation
PADS '96 Proceedings of the tenth workshop on Parallel and distributed simulation
Incremental state saving in SPEEDES using C++
WSC '93 Proceedings of the 25th conference on Winter simulation
Simulating Lyme disease using parallel discrete event simulation
WSC '96 Proceedings of the 28th conference on Winter simulation
Conservative synchronization in object-oriented parallel battlefield discrete event simulations
Proceedings of the eleventh workshop on Parallel and distributed simulation
A multidimensional study on the feasibility of parallel switch-level circuit simulation
Proceedings of the eleventh workshop on Parallel and distributed simulation
Dynamic load balancing in parallel discrete event simulation for spatially explicit problems
PADS '98 Proceedings of the twelfth workshop on Parallel and distributed simulation
Event history based sparse state saving in time warp
PADS '98 Proceedings of the twelfth workshop on Parallel and distributed simulation
On learning algorithms and balancing loads in Time Warp
PADS '99 Proceedings of the thirteenth workshop on Parallel and distributed simulation
Combining periodic and probabilistic checkpointing in optimistic simulation
PADS '99 Proceedings of the thirteenth workshop on Parallel and distributed simulation
Efficient optimistic parallel simulations using reverse computation
PADS '99 Proceedings of the thirteenth workshop on Parallel and distributed simulation
Wolf: a rollback algorithm for optimistic distributed simulation systems
WSC '88 Proceedings of the 20th conference on Winter simulation
Efficient Execution of Time Warp Programs on Heterogeneous, NOW Platforms
IEEE Transactions on Parallel and Distributed Systems
On Process Migration and Load Balancing in Time Warp
IEEE Transactions on Parallel and Distributed Systems
Accelerating Spatially Explicit Simulations of Spread of Lyme Disease
ANSS '05 Proceedings of the 38th annual Symposium on Simulation
Parallel simulation of the global epidemiology of Avian influenza
Proceedings of the 40th Conference on Winter Simulation
Switching to High Gear: Opportunities for Grand-Scale Real-Time Parallel Simulations
DS-RT '09 Proceedings of the 2009 13th IEEE/ACM International Symposium on Distributed Simulation and Real Time Applications
PADS '10 Proceedings of the 2010 IEEE Workshop on Principles of Advanced and Distributed Simulation
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This paper addresses issues of implementation and performance optimization of simulations designed to model spatially explicit problems with the use of parallel discrete event simulation. A simulation system is presented that uses the optimistic protocol and runs on a distributed memory machine-the IBM SP. The efficiency of parallel discrete event simulations that use the optimistic protocol is strongly dependent on the overhead incurred by rollbacks. This paper introduces a novel approach to rollback processing which limits the number of events rolled back as a result of a straggler or antimessage. The method, called Breadth-First Rollback (BFR), is suitable for spatially explicit problems where the space is discretized and distributed among processes and simulation objects move freely in the space. The BFR uses incremental state saving, allowing the recovery of causal relationships between events during rollback. These relationships are then used to determine which events need to be rolled back. This paper presents an application of BFR to the simulation of Lyme disease. Our results demonstrate and almost linear speedup--a dramatic improvement over the traditional approach to rollback processing. Additionally, BFR is used as a basis of a dynamic load balancing algorithm that migrates load between the simulation processes. A brief outline of the algorithm and its potential performance are presented.