Investigation of out-of-core parallel discrete-event simulation

Anna L. Poplawski, David M. Nicol

Research output: Contribution to journalConference articlepeer-review


In large-scale discrete-event simulations the size of a computer's physical memory limits the size of system to be simulated. Demand paging policies that support virtual memory are generally ineffective. Use of parallel processors to execute the simulation compounds the problems, as memory can be tied down due to synchronization needs. We show that by taking more direct control of disks it is possible to break through the memory bottleneck, without significantly increasing overall execution time. We model one approach to conducting out-of-core parallel simulation, identifying relationships between execution, memory, and I/O costs that admit good performance.

Original languageEnglish (US)
Pages (from-to)524-530
Number of pages7
JournalWinter Simulation Conference Proceedings
StatePublished - 1999
Externally publishedYes
Event1999 Winter Simulation Conference Proceedings (WSC) - Phoenix, AZ, USA
Duration: Dec 5 1999Dec 8 1999

ASJC Scopus subject areas

  • Software
  • Modeling and Simulation
  • Safety, Risk, Reliability and Quality
  • Chemical Health and Safety
  • Applied Mathematics


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