ROSS: a high-performance, low memory, modular time warp system

In this paper, we introduce a new Time Warp system called ROSS: Rensselaer’s Optimistic Simulation System. ROSS is an extremely modular kernel that is capable of achieving event rates as high as 1,250,000 events per second when simulating a wireless telephone network model (PCS) on a quad processor PC server. In a head-to-head comparison, we observe that ROSS out performs the Georgia Tech Time Warp (GTW) system by up to 180% on a quad processor PC server and up to 200% on the SGI Origin 2000 . ROSS only requires a small constant amount of memory buffers greater than the amount needed by the sequential simulation for a constant number of processors. ROSS demonstrates for the first time that stable, highly-efficient execution using little memory above what the sequential model would require is possible for low-event granularity simulation models. The driving force behind these high-performance and low memory utilization results is the coupling of an efficient pointer-based implemen...

• Type: Conference
• Year: 2000
• Where: PADS
• Authors: Christopher D. Carothers, David W. Bauer, Shawn Pearce
• Keywords: Modelling And Simulation, PADS 2000, Processor Pc Server, Quad Processor Pc, ROSS