Citation
Stavros Tripakis, Dai Bui, Bert Rodiers, Edward A. Lee. "Compositionality in Synchronous Data Flow: Modular Code Generation from Hierarchical SDF Graphs (Poster Abstract)". ACM/IEEE First International Conference on Cyber-Physical Systems, Raj Rajkumar (ed.), April, 2010.

Abstract
A widespread model of computation, particularly suited for signal processing applications, which are often a key element in cyber-physical systems, is Synchronous (or Static) Data Flow (SDF). But hierarchical SDF models are not compositional: a composite SDF actor cannot be represented as an atomic SDF actor without loss of information that can lead to deadlocks. To solve this problem, we propose DSSF profiles. DSSF (Deterministic SDF with Shared FIFOs) forms a compositional abstraction of composite actors that can be used for modular compilation. We provide algorithms for automatic synthesis of non-monolithic DSSF profiles of composite actors given DSSF profiles of their sub-actors. We show how different tradeoffs can be explored when synthesizing such profiles, in terms of size of the generated profile versus reusability (preserving information necessary to avoid deadlocks) as well as algorithmic complexity. We show that our method guarantees maximal reusability and report on a prototype implementation in Ptolemy II.

Electronic downloads

• iccps-abstract.pdf · application/pdf · 119 kbytes
• http://www.eecs.berkeley.edu/Pubs/TechRpts/2009/EECS-2009-143.html. (EECS technical report)
• ModularSDF_ICCPS.ppt · application/vnd.ms-powerpoint · 1277 kbytes

• HTML

  Stavros Tripakis, Dai Bui, Bert Rodiers, Edward A. Lee.
  <a
  href="http://chess.eecs.berkeley.edu/pubs/662.html"
  >Compositionality in Synchronous Data Flow: Modular Code
  Generation from Hierarchical SDF Graphs (Poster
  Abstract)</a>, ACM/IEEE First International Conference
  on Cyber-Physical Systems, Raj Rajkumar (ed.), April, 2010.

• Plain text

  Stavros Tripakis, Dai Bui, Bert Rodiers, Edward A. Lee.
  "Compositionality in Synchronous Data Flow: Modular
  Code Generation from Hierarchical SDF Graphs (Poster
  Abstract)". ACM/IEEE First International Conference on
  Cyber-Physical Systems, Raj Rajkumar (ed.), April, 2010.

• BibTeX

  @inproceedings{TripakisBuiRodiersLee10_CompositionalityInSynchronousDataFlowModularCodeGeneration,
      author = {Stavros Tripakis and Dai Bui and Bert Rodiers and
                Edward A. Lee},
      title = {Compositionality in Synchronous Data Flow: Modular
                Code Generation from Hierarchical SDF Graphs
                (Poster Abstract)},
      booktitle = {ACM/IEEE First International Conference on
                Cyber-Physical Systems},
      editor = {Raj Rajkumar},
      month = {April},
      year = {2010},
      abstract = {A widespread model of computation, particularly
                suited for signal processing applications, which
                are often a key element in cyber-physical systems,
                is Synchronous (or Static) Data Flow (SDF). But
                hierarchical SDF models are not compositional: a
                composite SDF actor cannot be represented as an
                atomic SDF actor without loss of information that
                can lead to deadlocks. To solve this problem, we
                propose DSSF profiles. DSSF (Deterministic SDF
                with Shared FIFOs) forms a compositional
                abstraction of composite actors that can be used
                for modular compilation. We provide algorithms for
                automatic synthesis of non-monolithic DSSF
                profiles of composite actors given DSSF profiles
                of their sub-actors. We show how different
                tradeoffs can be explored when synthesizing such
                profiles, in terms of size of the generated
                profile versus reusability (preserving information
                necessary to avoid deadlocks) as well as
                algorithmic complexity. We show that our method
                guarantees maximal reusability and report on a
                prototype implementation in Ptolemy II.},
      URL = {http://chess.eecs.berkeley.edu/pubs/662.html}
  }
  

Posted by Stavros Tripakis on 11 Mar 2010.
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