Basic HTML version of Foils prepared August 21 1999

Foil 129 Distributed Synchronization

From Overview of PET and CHSSI FMS (Forces Modeling and Simulation) ASC MSRC FMS Day Meeting Dayton Ohio -- July 29 1999. by Wojtek Furmanski


1 Last Processed Event
2 Node 0
3 Node 1
4 Last Processed Event
5 Erroneously Processed Events
6 New Event
7 Scheduled
8 Simulation Time
9 Unprocessed Events
10 Unprocessed Events
11 Conservative approach: Never allows events to be processed if it is possible for "straggler" messages to arrive from other nodes
12 Optimistic approach: Fixes straggler message problem by rolling back state and canceling generated events

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