Instrumented Multi-Stage Word-Length Optimization

  title={Instrumented Multi-Stage Word-Length Optimization},
  author={William George Osborne and Jos{\'e} Gabriel F. Coutinho and Ray C. C. Cheung and Wayne Luk and Oskar Mencer},
  journal={2007 International Conference on Field-Programmable Technology},
In this paper we present a tool, LengthFinder, for optimizing word-lengths of hardware designs with fixed-point arithmetic based on analytical error models that guarantee accuracy. LengthFinder adopts a multi-stage approach, with four novel features. First, the code analysis stage selects loops to instrument, such that information about the number of iterations can be extracted to generate more accurate results. Second, aggressive heuristics are used to produce non-uniform word-lengths rapidly… CONTINUE READING
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