Fix uniform random seed#691

Merged

amcadmus merged 9 commits intodeepmodeling:develfrom

amcadmus:fix-rand-seed

Jun 2, 2021

Commits on Jun 1, 2021

change default seed of constructors to `None`
Han Wang
committed
initialize the parameters in different layers of the embedding net with different seeds
Han Wang
committed

Commits on Jun 2, 2021