Basic HTML version of Foils prepared July 4 98

Foil 30 HLA/RTI versus HPF/MPI

From Gateway Systems: Commodity Interface to HPCC Systems ASC Year 2 Review Columbus -- July 2 98. by Geoffrey C. Fox


1 We can support any given paradigm at either high functionality (web server) or high performance (backend) level
2 HPCC Messaging could be a Java/RMI middle tier MPI or Nexus/Optimized Machine specific MPI at backend
3 JWORB supports CORBA based RTI already and we can bridge to high performance event driven simulation systems like SPEEDES at the high performance backend layer
4 However most problems can be thought of a set of coarse grain entities which are internally data parallel but the coarse grain structure is "functional" parallelism
5 So HLA/RTI is especially natural as tier 2 management level of these coarse entities
6 Entities can be time synchronized simulations and use MPI(HPF?) at either middle or back end tier or in fact as in DMSO simulations a federate running a custom discrete event simulation

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