@misc{mishchenko2023prodigy,
  title={Prodigy: An Expeditiously Adaptive Parameter-Free Learner},
  author={Konstantin Mishchenko and Aaron Defazio},
  year={2023},
  eprint={2306.06101},
  archivePrefix={arXiv},
  primaryClass={cs.LG},
  url={https://arxiv.org/abs/2306.06101}
}