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APOLAUF
Participant
September 26, 2018
Question

PrE2018 - GPU decoding not working with newer nvidia drivers

  • September 26, 2018
  • 1 reply
  • 715 views

Hello all,

I've run into a curious situation with Premiere Elements 2018. My desktop computer runs an 8-core, 16-thread i7 5960X with plenty of memory, fast storage, and two nvidia GTX 1070 GPUs. I also recently picked up a Lenovo X1 Yoga 3rd gen, which has a 4-core, 8-thread i7 8650U, also enough memory and fast storage, and has a much less-powerful Intel integrated GPU. IPC per core of the two CPUs are essentially identical, and clock for clock, the 5960X is actually faster. Here's my issue:

When using the same 4K input footage, with the same project settings and same output, encoding/transcoding is more than TWICE as fast on my 4-core laptop, which keep in mind begins thermal throttling pretty quickly, than on my 8-core desktop which has more than twice the cores. Every single benchmark gives my desktop a 2.5X advantage, and when using Handbrake, or other tools, that holds up.

So, I ran the GPUSniffer tool on my desktop, and it spits out " * Not chosen because of kernel failure." on both GPUs. In other words, PrE2018 is completely ignoring my GPUs when running the decode portion of the transcode/encode process, choosing instead to offload it to my CPU. Because 4K footage at 100Mbit/s is very processor-intensive, you can imagine that this is why I have the slowdown.

I've ready other forum posts, and its seems that PrE2018 and other Adobe products don't like newer nvidia drivers. This is a problem, as I can't just use one or two-year old video drivers to solve this issue. I am not holding up hopes that anyone from Adobe will ever read this, or address it, especially because PrE is probably bottom of the barrel in terms of their priorities. But it would be nice to be able to use my computing power the way it should work. Of course, encodes to complete, but this is simply way too slow given the power available on the computer. Anyone else have this issue, so that it might pique the attention of a moderator or developer? Thanks!

This topic has been closed for replies.

1 reply

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Steve Grisetti
Legend
September 26, 2018

I don't believe Premiere Elements uses your GPU at all during the rendering process. The program is entirely processor dependent.

That's why, if you're going to edit with Premiere Elements, I always recommend getting the fasting processor you can, while even a basic Intel graphics system will do.

A
APOLAUFAuthor
Participant
September 26, 2018

Steve Grisetti​, thanks for your reply, but I may not have been particularly clear. Essentially:

1. Premiere definitely uses GPU. It uses it to decode input video to improve rendering speed. When I encode on my laptop with Intel GPU, you can definitely see GPU use in Task Manager during encoding sessions as it decodes the incoming 4K video.

2. Desktop is 2.5 times more powerful than laptop (faster single-core, and 8 cores total, vs 4 core laptop). Yet, laptop is twice as fast in encoding. Core for core, the computers are comparable, and desktop has more cores, so it should be faster. Yet, it's twice as slow. Only difference? nvidia GPUs showing 0% utilization vs laptop integrated GPU showing lots of utilization.

3. Adobe Premiere's own utility shows that it's ignoring my nvidia GPUs on the faster desktop. Therefore, because it's doing that, overall rendering performance suffers terribly as a result.

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Community Expert
Bill SpragueCommunity Expert
Community Expert
September 26, 2018

I can't find the reference I'm looking for.  I recall reading that Premiere Elements includes use of the Intel CPU "on board" GPU but not a GPU on a graphics card.  I think the Intel brand name for it is QuickSync when video is involved. 

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