code: def sizeof_fmt(num, suffix="B"):
      for unit in ["", "Ki", "Mi", "Gi", "Ti", "Pi", "Ei", "Zi"]:
          if abs(num) < 1024.0:
              return "%3.1f %s%s" % (num, unit, suffix)
          num /= 1024.0
      return "%.1f %s%s" % (num, "Yi", suffix)
  
file_path: MMdnn/mmdnn/conversion/common/utils.py
imports: from __future__ import division
  import os
  import sys
  import numpy
  from six import text_type, binary_type, integer_types
  import mmdnn.conversion.common.IR.graph_pb2
label_desc: Use image node_id 9 for calling a global function with example usage: sizeof_fmt(num, suffix) and returns: unknown, unknown