title: 642% CPU used along with GPU during training. Is it normal?
body: <p>I have a PC configuration of</p>
  <p>CPU: Intel Core i7 9700K @ 3.60 Ghz</p>
  <p>GPU: Nvidia GeForce GTX1060</p>
  <p>When I train using tensorflow-gpu, both my CPU and GPU are used. Is this  normal behavior?</p>
  <p>The usage stats as below from</p>
  <p><code>htop</code></p>
  <p><img src="https://i.imgur.com/BmRlGqq.png" alt="htop" />)</p>
  <p><code>nvidia-smi</code></p>
  <p><img src="https://i.imgur.com/YR8b4p2.png" alt="GPU" /></p>