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Naymul Haque
Naymul Haque
Participant
July 10, 2022
Answered

CPU usage drops to 15% to 18% When rendering video

  • July 10, 2022
  • 1 reply
  • 587 views

A 4 mintues video is taking more than 9 hours to render. Initially the Encoder was using 90% to 100% of the cpu and rendering was going fast. But suddenly after 5 to 10 minutes, the CPU usage dropped to 10% to 18% and rendering became a nightmare. Any idea why this happened suddenly? 

 

Video format: H.264, 1920x1080, VBR Pass 1, 

 

PC Spec: Ryzen 7 5800H, 16gb Ram, RTX 3050 laptop gpu

This topic has been closed for replies.
Correct answer Naymul Haque

Depending upon the effects and transitions used, that may or may not be enough free space.


It was probably THERMAL THROTTLING on the CPU. The video was rendered within 30 minutes after I turned off the PC  and turned it on for a few minutes.

1 reply

Peru Bob
Community Expert
Peru BobCommunity Expert
Community Expert
July 10, 2022

What are the hard drives (how many, what kind, what is on each, what capacity, and how full)?

Naymul Haque
Naymul HaqueAuthor
Participant
July 11, 2022

My laptop has a 500gb NVME Gen 3 SSD and it was around 80gb free during the render.

Peru Bob
Community Expert
Peru BobCommunity Expert
Community Expert
July 11, 2022

Depending upon the effects and transitions used, that may or may not be enough free space.

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