class_docstr: CPU backend can be used directly for non-gpu setups 
code: def cpu_ram_used(self):
      return process.memory_info().rss
  
imports: import gc
  import logging
  import os
  import psutil
  import sys
  import threading
  import time
  import weakref
  from IPython import get_ipython
  from IPython.core.magics.namespace import NamespaceMagics
  from collections import namedtuple
  from .cell_logger import CellLogger, b2mb, int2width, get_nvml_gpu_id
label_desc: Use image node_id 5 for calling the IPyExperimentsCPU obj's underlying member method code with example usage: obj.cpu_ram_used() and returns: process