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2007
IEEE

A Comparison of Two Approaches to Parallel Simulation of Multiprocessors

11 years 7 months ago
A Comparison of Two Approaches to Parallel Simulation of Multiprocessors
— The design trend towards CMPs has made the simulation of multiprocessor systems a necessity and has also made multiprocessor systems widely available. While a serial multiprocessor simulation necessarily imposes a linear slowdown, running such a simulation in parallel may help mitigate this effect. In this paper we document our experiences with two different methods of parallelizing Sparc Sulima, a simulator of UltraSPARC IIICu-based multiprocessor systems. In the first approach, a simple interconnect model within the simulator is parallelized non-deterministically using careful locking. In the second, a detailed interconnect model is parallelized while preserving determinism using parallel discrete event simulation (PDES) techniques. While both approaches demonstrate a threefold speedup using 4 threads on workloads from the NAS parallel benchmarks, speedup proved constrained by loadbalancing between simulated processors. A theoretical model is developed to help understand why obs...
Andrew Over, Bill Clarke, Peter E. Strazdins
Added 04 Jun 2010
Updated 04 Jun 2010
Type Conference
Year 2007
Where ISPASS
Authors Andrew Over, Bill Clarke, Peter E. Strazdins
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