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Characteristics

The heuristics performed by the adequation use the characteristics of each algorithm definition and each relation (edge) between algorithm definition, relatively to the operators and the media it may be distributed to. Presently we are mainly interested in real-time performances then the vertices and the edges of the algorithm graph must be characterized in terms of duration relatively to the vertex types of the architecture graph.

Communication characterizations are explained in section ``Medium''. Notice that the command MAIN DEFINITION PORT TYPES LIST in the ALGORITHM menu gives you a list of all port types used in your main definition algorithm and its subhierarchy, which may simplify the specification of communication characterizations.

To perform definitions characterization, you have two possibilities: - choose the option DURATIONS in the EDIT menu of an algorithm window (this will open a dialog window in order to input the characteristics), - edit the definition of the operator and use the button MODIFY DURATIONS (this will open a dialog window in order to input the characteristics).

WARNING : You must characterize all vertices of the transformed graph (see below).


next up previous contents
Next: Adequation Up: Syndex v6 - User Previous: To delete an architecture   Contents
Julien Forget 2003-03-21