class_docstr: A grouping of Timers.
class_docstr_tok: ["A","grouping","of","Timers","."]
code: def __init__(self):
      self._timers = collections.defaultdict(TimerStat)
      self._enabled = True
  
imports: import time
  import numbers
  import socket
  import collections
  import numpy
  from contextlib import closing, contextmanager
  import torch
  from bigdl.dllib.utils.log4Error import *
label_desc: Use image node_id 1 to create a new TimerCollection object  with example: obj = TimerCollection()