Software synthesis from the dataflow interchange format

  • Authors:

  • Chia-Jui Hsu;Ming-Yung Ko;Shuvra S. Bhattacharyya

  • Affiliations:

  • University of Maryland, College Park, MD;University of Maryland, College Park, MD;University of Maryland, College Park, MD

  • Venue:
  • SCOPES '05 Proceedings of the 2005 workshop on Software and compilers for embedded systems
  • Year:
  • 2005

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Abstract

Specification, validation, and synthesis are important aspects of embedded systems design. The use of dataflow-based design environments for these purposes is becoming increasingly popular in the domain of digital signal processing (DSP). The dataflow inter-change format (DIF) [11] and the associated DIF package have been developed for specifying, working with, and transferring dataflow-based DSP designs across tools. In this paper, we present the newly developed DIF-to-C software synthesis framework for automatically generating monolithic C-code implementations from DSP system specifications that are programmed in DIF. This framework allows designers to efficiently explore the complex range of implementation tradeoffs that are available through various dataflow-based techniques for scheduling and memory management. Furthermore, the DIF-to-C framework provides a standard, vendor-neutral mechanism for linking coarse grain data-flow optimizations with fine grain hand-optimized libraries and the large body of optimization techniques in the area of C compilers for DSP. Through experiments involving several DSP applications, we demonstrate the novel and useful capabilities of our DIF-to-C software synthesis framework.