Basic HTML version of Foils prepared 24 August 98

Foil 43 Properties of Programming Model

From Master Foilset for CPS615 Introduction -- Material from Culler and Koelbel Computational Science for Simulations -- Fall Semester 1998. by Geoffrey C. Fox, Nancy McCracken
Concurrency is enhanced by creating multiple tasks
Scalability: More tasks than processor nodes
Locality: Access local data when possible -- minimize message traffic
A task (with local data and subtasks) is a unit for modular design -- it is an object!
Mapping to nodes affects performance only

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