OpenDF: a dataflow toolset for reconfigurable hardware and multicore systems

Authors:
Shuvra S. Bhattacharyya;Gordon Brebner;Jörn W. Janneck;Johan Eker;Carl von Platen;Marco Mattavelli;Mickaël Raulet
Affiliations:
University of Maryland, College Park, MD;Xilinx Research Labs, San Jose, CA;Xilinx Research Labs, San Jose, CA;Ericsson Research, Mobile Platforms, Lund, Sweden;Ericsson Research, Mobile Platforms, Lund, Sweden;Microelectronic Systems Lab, EPFL, Lausanne, Switzerland;IETR/INSA Rennes, Rennes, France
Venue:
ACM SIGARCH Computer Architecture News
Year:
2009

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Abstract

This paper presents the OpenDF framework and recalls that dataflow programming was once invented to address the problem of parallel computing. We discuss the problems with an imperative style, von Neumann programs, and present what we believe are the advantages of using a dataflow programming model. The CAL actor language is briefly presented and its role in the ISO/MPEG standard is discussed. The Dataflow Interchange Format (DIF) and related tools can be used for analysis of actors and networks, demonstrating the advantages of a dataflow approach. Finally, an overview of a case study implementing an MPEG- 4 decoder is given.