title: How to disable GPU for Python program?
body: <p>I want to disable GPU from Python program.</p>
  
  <p>I tried but the program is still using GPU. I am using Dlib face recognition.</p>
  
  <pre><code>os.environ["CUDA_DEVICE_ORDER"] = "PCI_BUS_ID"   # see issue #152
  os.environ["CUDA_VISIBLE_DEVICES"] = ""
  </code></pre>