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Activity Forums Avid Media Composer Could AMD be slowing down my AVID?

  • Could AMD be slowing down my AVID?

  • Ben Allan

    May 11, 2022 at 3:18 pm


    Sorry for the lengthy message but I’m really at a loss and I’m about to start another film so I have week to make sure this doesn’t happen again- Since I moved over to PC I’ve noticed my AVID has a slight pause when inserting, overwriting, undoing and a bigger one when rendering a small effect with larger sequences. So my current one is a 90 minute film and the lag is about 5 seconds per change!

    All files were converted and sync’d into MXF on resolve then put into the avid media files folder and the database file dragged in.

    Here is my homemade PC-

    AMD Ryzen Threadripper 3960X 24-Core, Corsair DDR4 64GB Ram, AVID 2021.12, Boot drive M2 Chip 2TB (main project), Samsung SSD 970 EVO 2TB (avid media files), Windows 10 Pro, GPU Quadro Nvidia 6000 24GB, 3 monitors one TV mirrored to one of the monitors= all coming from the graphics card.
    I don’t think this build should be giving me any problems. I have unplugged all the extra monitors and I still get the issue.

    I have also tried-

    Fresh user settings.

    Taking out all the audio- this does make it run smoothly but of course I need it to edit.

    Updating Quadro drivers (slight difference)

    Deleting all bins except the sequence but it’s still slow (maybe slightly faster)

    But still I have a five second or so delay on undoing, and playback after I’ve made a change.

    I’m starting to think it could just be incompatibility with AMD- has anyone else had these issues with the CPU?


  • Roy Gilbert

    May 11, 2022 at 3:28 pm

    I have a Ryzen 3700x and don’t have this issue.

    It’s more likely to be a drive problem than a CPU problem. Have you tried putting the project files on a separate drive to the OS and media?

  • Ben Allan

    May 11, 2022 at 3:34 pm

    Thanks for your response Roy! Alas I have tried moving it around but didn’t experience any difference. The other drives are technically slower currently the project is on the fastest two drives. Maybe I’ll check the health of the drives?

  • David Budnetz

    May 11, 2022 at 3:37 pm

    AMD CPUs are qualified by Avid on lenovo and Boxx workstations, there should be no architectural issues at play here.

    when you say removing the audio helps the issue, are you disabling tracks or removing them from sequences?
    do you normally work with waveforms enabled? what about Fast scrub?

  • Ben Allan

    May 11, 2022 at 4:05 pm

    Thanks David. So technically the film is finished so to deliver picture I duplicated the sequence and deleted the audio. Here i noticed I got the full functionality back?!

    I do have the waveforms enabled- you reminded me tho I did try turning off all extras like waveforms , clip names i just had empty boxes but again this done nothing.

  • Tod Hopkins

    May 11, 2022 at 4:40 pm

    Your audio may be the problem. This is out of left field, but I had similar problems caused by multi-channel source audio that the NLE (not Avid) found particularly difficult to handle, even when only the video track was included in the sequence without the audio. The fact that the original clips were very long also contributed. I solved the problem by converting the clips to standard stereo. There were only two active channels in the source so this was not a problem for the workflow.

    In short, never discount the possibility that the problem is your source audio. It happens.

  • Ben Allan

    May 11, 2022 at 5:13 pm

    Interesting okay. Well I have been dragging audio directly from the program Soundly and I did wonder if this caused the issue. So can I test this by some how changing all the audio to stereo?

  • Tod Hopkins

    May 11, 2022 at 6:01 pm

    Soundly appears to be designed to work as you describe so it seems unlikely that it is causing the problem, but I am not familiar.

  • Ben Allan

    May 11, 2022 at 7:31 pm

    Okay fair enough. I take back that it plays better without audio tracks there. After experimenting I’ve realized I only get issues when I go to playback after making a change. So perform a cut (fast) press play (5 second delay) stop press play again (fast). Could this have something to do with the cache?

  • Tod Hopkins

    May 11, 2022 at 7:36 pm

    Yes, Playback Buffer Delay is definitely an Avid thing. Here’s a discussion of some possible reasons, including a mention of early Ryzen CPUs.

    Cheers, tod

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