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DavidROfficer6198
Inspiring
December 11, 2018
Question

Premiere Pro CC is not taking advantage of multi core

  • December 11, 2018
  • 4 replies
  • 7211 views

I upgraded to Threadripper 2 - 2920x (12/24)

ASUS X399-A / 16GB ddr4

CPU utilization never gets above 45% during encoding. Encoding a 39 minute video from 2 cameras (1 is 4K, the other is HD) down to MPEG-DVD.

After 45 minutes, it still estimates 1 hour 25 minutes on a 2 pass encode. This is crap for a program that is supposed to be multi threaded. A 6 core, 12 thread intel processor can do a similar encode in 20 minutes.

Is it time to switch to a better video program? Is Adobe making PPro CC even more useless?

[Moderator note: moved to appropriate forum.]

    This topic has been closed for replies.

    4 replies

    D
    DavidROfficer6198Author
    Inspiring
    December 24, 2018

    so i tried my brother's 1060 3GB and it shaved an encode from 31m to 18m. Video card was still 100% utilized. CPU was slightly more utilized but obviously the cpu is totally overkill. need maybe a 2080 to satisfy it.

    D
    DavidROfficer6198Author
    Inspiring
    December 18, 2018

    so do you think a gtx 1060 6gb will make a huge difference?

    X
    XMJ68
    Participant
    August 14, 2020

    Yes definitely! I would have a AMD 5700XT for it's 8GB even if the power of the card is overkill...

    B
    Bill Engeler
    Inspiring
    December 14, 2018

    Your GPU is not powerful enough and doesn't have enough memory. The 95% usage is evidence. For better performance, update the GPU. Windows 10 is not the problem.

    D
    DavidROfficer6198Author
    Inspiring
    December 14, 2018

    Just installed Windows 8.1 and the CPU is fully (80% +) utilized. GPU is fully (95%) utilized as well.

    I still think Win 10 and it's scheduler with AMD is the problem. Earlier this year, i had a 7820X and no issues to speak of

    R Neil Haugen
    R Neil Haugen
    Legend
    December 11, 2018

    You don't mention the nature of the media, which of course is part of the process, other than frame-size. Codec makes more difference normally, and is very useful to include.

    You've got a fast CPU with a modest amount of RAM ... what's your RAM usage during processing? What's the disc utilization, what type of disc is your media on and being exported to?

    What's the GPU ... ?

    PrPro tends to work up to 10 cores by some tests online, past that doesn't seem to necessarily matter. For especially H.264 long-GOP media either for playback or encoding, running closer to 10GB of RAM per core (assuming 8-10 cores) is considered better.

    Often folks seem to think that by getting one part of their system "hot", the whole works should speed up, but ... that's inaccurate. It's always a balancing act. More cores up to 10, then faster cores at close to or above 4Ghz, then as close to 10GB/RAM per core as you can afford, on a mobo that doesn't give you resource bottlenecks as you add GPU, m.2 card, external boxes and such to it, then of course a GPU that can support the CPU/RAM.

    The folks at Puget Systems and SafeHarbor Computing give a lot of information ... including that there are relatively few of the available CPU's that are really good for video-post work, as say even most of the spendier Nvidia chips don't test as well in PrPro, Ae, Resolve, and such as some other chips do. Past that, many mobo's actually distribute their "lanes" poorly for a jammed set of GPU, disc-connection cards, external boxes & such on a typical editing rig ... so getting the right chip on the right mobo is a bit of a pain.

    Past all that ... why the two-pass encode? For so many projects, all that gets you is additional time these days ...

    Neil

    Everyone's mileage always varies ...
    D
    DavidROfficer6198Author
    Inspiring
    December 11, 2018

    Memory usage is about 55%. the HD footage is avchd and the 4K is sony XAVC-S.

    Video card is a GTX 950 2GB and is 95% utilized. Similar under an intel cpu (8086K) except the CPU with 16 threads was usually 95% used.

    I've always used a 2 pass encode from CS4 and on. Someone told me file sizes and bit rate are better.

    R
    RjL190365
    Legend
    December 15, 2018

    Sorry that I didn't read your entire dilemma, but with such a high GPU utilization but a low CPU utilization on a program that supposedly hammers most CPUs, I am now beginning to think that it's not the OS per se, but you just simply have a GPU that's quite underpowered for the CPU that you have. It doesn't matter how much VRAM that the graphics card has; it's just that the GPU itself is (relatively speaking) a weakling.

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