code: def get_environment_config():
      """
      Returns all the Turi Create configuration variables that can only
      be set via environment variables.
  
      - *TURI_FILEIO_WRITER_BUFFER_SIZE*: The file write buffer size.
      - *TURI_FILEIO_READER_BUFFER_SIZE*: The file read buffer size.
      - *OMP_NUM_THREADS*: The maximum number of threads to use for parallel processing.
  
      Returns
      -------
      Returns a dictionary of {key:value,..}
      """
      from .._connect import main as _glconnect
  
      unity = _glconnect.get_unity()
      return unity.list_globals(False)
  
file_path: turicreate/src/python/turicreate/config/__init__.py
imports: from __future__ import print_function
  from __future__ import division
  from __future__ import absolute_import
  import sys
  import tempfile
  import os
  import time
  import re
label_desc: Use image node_id 5 for calling a global function with example usage: get_environment_config() and returns: unity