Deep Learning Training on the Edge with Low-Precision Posits

30 Jul 2019  ·  Hamed F. Langroudi, Zachariah Carmichael, Dhireesha Kudithipudi ·

Recently, the posit numerical format has shown promise for DNN data representation and compute with ultra-low precision ([5..8]-bit). However, majority of studies focus only on DNN inference. In this work, we propose DNN training using posits and compare with the floating point training. We evaluate on both MNIST and Fashion MNIST corpuses, where 16-bit posits outperform 16-bit floating point for end-to-end DNN training.

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