Metaproblem Hierarchy

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 GrainSimulations

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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