Basic HTML version of Foils prepared Sept 30 98

Foil 26 HLA/RTI and Coarse Grain Technologies II

From A Coarse Grain Performance Estimator -- PetaSIM and a Hybrid Distributed Object Model for the IPG NASA Workshop on Performance Engineered Information Systems -- Sept 28-29 98. by Geoffrey C. Fox, Yuhong Wen, Wojtek Furmanski, Tom Haupt


Coarse Grain Entities can be time synchronized simulations and use MPI(HPF?) at either middle or back end tier or as in DMSO simulations a federate running a custom discrete event simulation
Use DMSO Object model HLA to specify object structure of jobs and systems at middle tier level
A HLA Federation could be the set of all jobs to be run on a particular site
  • We can classify both jobs and computers as separate federations
A HLA Federate could be a job consisting of multiple possibly shared objects
Use DMSO Runtime Infrastructure RTI to implement dynamic management
  • As RTI already incorporates time management as a service, it can be basis of powerful commodity resource management at level of linked coarse grain objects



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