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[HELP] Premier Rush creating horrid lag and awful framerates when rendering despite good previews

Explorer ,
Jun 23, 2021 Jun 23, 2021

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I have an issue when compiling drone footage on my desktop computer. My computer is extraordinarily powerful and should not be having this issue:

 

When I put the clips together, add my title, and add my transitions, I'm able to preview the video with no stutter whatsoever and an acceptable framerate for a preview feature. However, when I render the video, whether it is to a local file or straight to a hosted service like youtube, the resulting video is extremely choppy, running at less than 0,5 fps and constantly freezing. The title animation works flawlessly, however. The title is overlayed on top of my moving drone footage and the underlying footage is terrible, but the title is perfectly fine.

 

When I go to the rendering page and see that particular preview, the preview is awful at 4k/60fps. The resulting video is also terrible. When I reduce it to 1080p/60fps, the preview is perfect, but the resulting video is still horrid. Once a video is rendered, the preview on the rendering screen is permanently terrible. If I go back to the main edit screen at any point, the preview there is perfectly fine.

 

I'm obviously at a loss. I've tried changing framerates, resolutions, clearing caches, reinstalling, and a bit more that I'm blanking on right now. Nothing works.

 

The footage is recorded at 2160p/60fps and is automatically broken into 3 minute long segments each. That's just how the drone works. The videos are copied to my NAS from the sdcard. I use them from the NAS and I render to the NAS. My NAS is quite fast and is hardwired to the router, same as my PC. No latency issues and the drives are in RAID 0, so they are fairly quick. I did try copying everything to local storage and rendering to local storage, but that didn't resolve the issue.

Not that it should matter, but here are the specs for my PC. Yes, everything is up to date:

-i9-9980XE (5.0GHz all core, 36 cores)

-RTX 3090 (24GB vRAM, +900mhzRAM/150mhz core)

-32GB 4000mhz/C14 RAM

-Windows 10 (Beta channel)

-ASUS Rampage Extreme Encore X299 motherboard

- 4x PCI-E NVMEs for storage

 

To reiterate, the drone footage is 2160p and 60fps. It is roughly 2 minutes long, post cuts.  

 

It's all on a custom water loop and is kept very well cooled. I tried to be as detailed as possible. It wasn't for bragging or anythiing, just trying to answer any questions before they are asked. I've been told I'm not good at communicating via text, sorry. I'm genuinely grateful for any suggestions.

TOPICS
Desktop version , Error or problem , Export , Freeze or hang , Performance

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Community Beginner ,
Jun 23, 2021 Jun 23, 2021

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Explorer ,
Jul 04, 2021 Jul 04, 2021

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Unfortunately that didn't change anything.

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