class_docstr: Object that manages all the data related to the computation
  except the actual within-bucket matching and the organization of the
  computation (parallel or not)
class_docstr_tok: ["Object","that","manages","all","the","data","related","to","the","computation","except","the","actual","within-bucket","matching","and","the","organization","of","the","computation","(","parallel","or","not",")"]
code: def toc(self):
      name, t0 = self.tictoc
      dt = time.time() - t0
      if self.verbose > 0:
          print(f"{name}: {dt:.3f} s")
      return dt
  
imports: import time
  import pickle
  import os
  import logging
  from multiprocessing.pool import ThreadPool
  import threading
  import _thread
  from queue import Queue
  import traceback
  import datetime
  import numpy
  import faiss
  from faiss.contrib.inspect_tools import get_invlist
label_desc: Use image node_id 5 for calling the BigBatchSearcher obj's underlying member method code with example usage: obj.toc() and returns: dt