Accuracy-Guaranteed Bit-Width Optimization

  title={Accuracy-Guaranteed Bit-Width Optimization},
  author={Dong-U Lee and A. A. Gaffar and R. Cheung and O. Mencer and W. Luk and G. Constantinides},
  journal={IEEE Transactions on Computer-Aided Design of Integrated Circuits and Systems},
An automated static approach for optimizing bit widths of fixed-point feedforward designs with guaranteed accuracy, called MiniBit, is presented. Methods to minimize both the integer and fraction parts of fixed-point signals with the aim of minimizing the circuit area are described. For range analysis, the technique in this paper identifies the number of integer bits necessary to meet range requirements. For precision analysis, a semianalytical approach with analytical error models in… Expand
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