code: def test_gpu_vs_cpu():
      for test in run_cases("gpu", "cpu", 1):
          yield test
  
imports: import cv2
  import numpy
  import math
  import os
  import random
  from nvidia.dali.pipeline import Pipeline
  import nvidia.dali.ops
  import nvidia.dali.types
  import nvidia.dali
  from test_utils import compare_pipelines
  from sequences_test_utils import ArgData, ArgDesc, ArgCb, ParamsProvider, get_video_input_cases, sequence_suite_helper
label_desc: Use image node_id 12 for calling a global function with example usage: test_gpu_vs_cpu() without return types