Work2005

GTW: a time warp system for shared memory multiprocessors

S.R. Das · Richard Fujimoto · Kiran S. Panesar · Don Allison · Maria Hybinette

115 citations0/0 files storedWinter Simulation Conference

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Simulation Techniques and Applications Parallel Computing and Optimization Techniques Distributed systems and fault tolerance

Abstract

The design of the Georgia Tech Time Warp (GTW, version 2.0) executive for cache-coherent shared-memory multiprocessors is described. The programmer's interface is presented. Several optimizations used to efficiently realize key functions such as event list manipulation, memory and buffer management, and message passing are discussed. An efficient algorithm for computing GVT on shared-memory multiprocessors is described. Measurements of a wireless personal communication services (PCS) network simulation indicate the GTW simulator is able to sustain performance as high as 335,000 committed events per second for this application on a 42-processor KSR-2 machine.

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References

1988Calendar queues: a fast 0(1) priority queue implementation for the simulation event set problem 1990Time warp on a shared memory multiprocessor 1990Virtual time II: storage management in conservative and optimistic systems

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2005µsik — A Micro-Kernel for Parallel/Distributed Simulation Systems 1997Computing global virtual time in shared-memory multiprocessors 2002ROSS: a high-performance, low memory, modular time warp system 2000Efficient execution of Time Warp programs on heterogeneous, NOW platforms 1998Parallel simulation techniques for large-scale networks 2007Scaling time warp-based discrete event execution to 104 processors on aBlue Genesupercomputer 2003Scheduling critical channels in conservative parallel discrete event simulation 2013Parallel Discrete Event Simulation for Multi-Core Systems: Analysis and Optimization

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