Floating-point exponential functions for DSP-enabled FPGAs

@article{Dinechin2010FloatingpointEF,
  title={Floating-point exponential functions for DSP-enabled FPGAs},
  author={Florent de Dinechin and Bogdan Pasca},
  journal={2010 International Conference on Field-Programmable Technology},
  year={2010},
  pages={110-117}
}
This article presents a generator of floating-point exponential operators targeting recent FPGAs with embedded memories and DSP blocks. A single-precision operator consumes just one DSP block, 18Kbits of dual-port memory, and 392 slices on Virtex-4. For larger precisions, a generic approach based on polynomial approximation is used and proves more resource-efficient than the literature. For instance a double-precision operator consumes 5 BlockRAM and 12 DSP48 blocks on Virtex-5, or 10 M9k and… CONTINUE READING
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