class_docstr: Group of timers.
class_docstr_tok: ["Group","of","timers","."]
code: def __call__(self, name):
      if name not in self.timers:
          self.timers[name] = _Timer(name)
      return self.timers[name]
  
file_path: apex/apex/transformer/pipeline_parallel/_timers.py
imports: import time
  import torch
label_desc: Use image node_id 2 for calling the _Timers obj's underlying member method code with example usage: obj.__call__(name) and returns: self