class_docstr: Use 2-norm of gradient to judge whether converge or not.
class_docstr_tok: ["Use","2-norm","of","gradient","to","judge","whether","converge","or","not","."]
code: def __init__(self, eps):
      super().__init__(eps=eps)
      self.pre_weight = None
  
file_path: FATE/python/fate/ml/utils/_convergence.py
imports: import logging
  import torch
label_desc: Use image node_id 1 to create a new _WeightDiffConverge object from inherited base classes: _ConvergeFunction with example: obj = _WeightDiffConverge(eps)