Basic HTML version of Foils prepared Sept 30 98

Foil 25 Metaproblem Hierarchy

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
Full Heterogeneous MetaProblem
Module
Aggregates of grid points etc.
Module
Module
Module
Module
Components
Components
Task Parallelism
Data Parallelism in Loosely
Synchronized Computation
Split into
Levels
Memory Hierarchy
including I/O
Fine Grain Simulations
One or more
levels of
Coarse Grain
Simulation
PetaSIM can be used at either coarse or fine grain
Working at coarse grain, can abstract fine grain in a simple model or model in detail

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