python - Cuda usage drop to 0% once in the middle

Question

While learning the model, I check gpu's usage to monitoring, and I found something that made me curious.
The usage of cuda with following graph shows drop to 0% once in middle regularly.

I wonder why those phenomenon occurs.

question from:https://stackoverflow.com/questions/66057908/cuda-usage-drop-to-0-once-in-the-middle

Answer 1

Waitting for answers