code: def local_bitwidth():
      """
      Return 32 for 32bit arch, 64 for 64bit arch.
  
      By "architecture", we mean the size of memory pointers (size_t in C),
      *not* the size of long int, as it can be different.
  
      """
      # Note that according to Python documentation, `platform.architecture()` is
      # not reliable on OS X with universal binaries.
      # Also, sys.maxsize does not exist in Python < 2.6.
      # 'P' denotes a void*, and the size is expressed in bytes.
      return struct.calcsize("P") * 8
  
imports: from __future__ import absolute_import, print_function, division
  import errno
  import os
  import sys
  import logging
  import numpy
  import platform
  import textwrap
  import re
  import socket
  import struct
  import warnings
  from six import string_types
  import theano
  from theano.configparser import AddConfigVar, BoolParam, ConfigParam, EnumStr, FloatParam, IntParam, StrParam, TheanoConfigParser, THEANO_FLAGS_DICT
  from theano.misc.cpucount import cpuCount
  from theano.misc.windows import call_subprocess_Popen, output_subprocess_Popen
  from theano.compat import maybe_add_to_os_environ_pathlist
label_desc: Use image node_id 23 for calling a global function with example usage: local_bitwidth() and returns: unknown