class_docstr: A simple timer.
class_docstr_tok: ["A","simple","timer","."]
code: def tic(self):
      # using time.time instead of time.clock because time time.clock
      # does not normalize for multithreading
      self.start_time = time.time()
  
file_path: dense-pose/detectron/utils/timer.py
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  from __future__ import unicode_literals
  import time
label_desc: Use image node_id 2 for calling the Timer obj's underlying member method code with example usage: obj.tic() without return types