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Communication Dans Un Congrès Année : 2009

Interface-based hierarchy for synchronous data-flow graphs

Résumé

Dataflow has proven to be an attractive computation model for programming digital signal processing (DSP) applications. A restricted version of dataflow, termed synchronous dataflow (SDF), offers strong compile-time predictability properties, but has limited expressive power. In this paper we propose a new type of hierarchy in the SDF domain allowing more expressivity while maintaining its predictability. This new hierarchy semantic is based on interfaces that fix the number of tokens consumed/produced by a hierarchical vertex in a manner that is independent or separate from the specified internal dataflow structure of the encapsulated subsystem. This interface-based hierarchy gives the application designer more flexibility in iterative construction of hierarchical representations, and experimentation with different optimization choices at different levels of the design hierarchy.
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Dates et versions

hal-00440478 , version 1 (10-12-2009)

Identifiants

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Jonathan Piat, Shuvra S. Bhattacharyya, Mickaël Raulet. Interface-based hierarchy for synchronous data-flow graphs. Signal Processing Systems, 2009. SiPS 2009. IEEE Workshop on, Oct 2009, Tampere, Finland. pp.145-150, ⟨10.1109/SIPS.2009.5336240⟩. ⟨hal-00440478⟩
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