from "YellowFin and the Art of Momentum Tuning" https://arxiv.org/abs/1706.03471

reference implementation:
https://github.com/JianGoForIt/YellowFin_Pytorch/blob/master/tuner_utils/yellowfin.py

cc: @JianGoForIt