Random CPU spikes in Logic Pro on Apple Silicon

Discussion in 'Logic' started by Levonx, Dec 10, 2023.

  1. Levonx

    Levonx Newbie

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    So, this is what happens and how it looks.
    This plugin suddenly makes everything start over. It makes those pops and cracks.
     

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  2. Levonx

    Levonx Newbie

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    I use UAD yes, an Apollo Twin X
     
  3. clone

    clone Audiosexual

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    I tried using that interface with my 2017 15.5" loaded/ssd upgraded Macbook Pro and it ended up going back and being replaced with a Motu 828ES Mk2. It was the Thunderbolt 3 40 gbps version, and it had the CPU fans going like it was preparing for liftoff. Do you have another interface you could test with? For awhile I was using the 828ES and a Motu M2 connected at the same time ( I had to switch between them in MacOS). The M2 needed no additional software installed. If you had a local music store with good return policy, i might even try that. It would let you rule out your UAD as source of the problem.
     
    Last edited: Dec 10, 2023
  4. Levonx

    Levonx Newbie

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    I can test it without an interface and see if its doing the same thing...
     
  5. Jim Bob

    Jim Bob Kapellmeister

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    Run Logic at 10 cores and large buffer. Activity Monitor will tell you what eating up all your juice.
     
  6. clone

    clone Audiosexual

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    It would be a worthwhile free test to know the results of. As another "test factor" to keep note of in your logic puzzle.

    I would also change all of those channels to something other than Kontakt. Preferably a Logic stock instrument.
     
    Last edited: Dec 10, 2023
  7. Levonx

    Levonx Newbie

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    I have done this, this is as mentioned pretty basic to do, imo. I want to find out what can be causing this, it might be some plugin that can't be handled properly.
     
  8. Levonx

    Levonx Newbie

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    I tried without an interface, it doesn't make any difference. Its the DAW itself.
     
  9. clone

    clone Audiosexual

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    See, here's the thing. You asked how to fix your problem. I showed you that VIcontrol thread, which covers all of this stuff. To which you told me, you had done all of that stuff already. You want new answers. This is why I said, unless it is some dumb setting, you are actually going to have to check things methodically. If you had read the thread I linked and did all of it, you would have installed the recommended app from the app store called PluginInfo, and now you would already have the answer to this concern.

    Sometimes you actually have to do the work. When people give you answers and they look like work, many people will hope they can just bypass troubleshooting steps people recommend.

    Disconnecting an audio interface and using Core Audio only to handle the i/o from 12 instances of Kontakt using an internal soundcard is not the same thing. If it had worked, that would rule out your audio interface or it's software. Guesswork.

    There is nothing in that project that should be doing this. It's just Kontakt.
     
    Last edited: Dec 11, 2023
  10. juliaprado8801

    juliaprado8801 Ultrasonic

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    share your sesion.. online so we can check
     
  11. Levonx

    Levonx Newbie

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    Im sorry if I have sounded a bit off, sorry about that. You are right, I actually downloaded PlugInfo and found out that some of the plugins I am using is still Intel, so its converting it to "native".. Im not that good in English so I can be unwillingly skipping some part I don't understand 100%, So im sorry to have you feeling that way. I am trying to find a way to replace my "intel" plugins, but the Trilian one hurts me the most.
     
  12. Levonx

    Levonx Newbie

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    How can I do that?
     
  13. clone

    clone Audiosexual

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    it's all good. You have to go step by step with this stuff or you just end up chasing your tail. The only plugin that should even matter are the ones within your current Logic project. The one you showed only contained Kontakt.

    The easiest way on MacOS to see if your plugins are causing your problems, are to go to your plugins folder and move them outside of it. Because this is only Logic with the problem, for now. Go to folder /Library/Audio/Plug-Ins/Components/ Make another new folder. You can take as many plugins as you want, and remove them from the real folder containing them, into the other. Or if you are not comfortable doing that, make a backup copy of the entire /components folder first.

    When you close and restart Logic it will scan every plugin in that folder. You do not have to do anything additional on MacOS when you move them around. Logic AUValTool will either see them and have them available in your plugin manager or not. But the only plugins that should actually be causing you a problem, are the ones you have loaded into your Logic project.

    If you only use Logic, you should only keep Component (AU) format plugins. When you install new plugins, they will also often install copies into /VST and /VST3. You should delete them, or back them up somewhere else if you want. The copies can do nothing but create issues, and also take up space on your internal ssd.
     
    Last edited: Dec 11, 2023
  14. Levonx

    Levonx Newbie

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    You're right, but don't you think it's the plugins that aren't really "native" that needs conversion to run? I can tell that Trilian uses a lot of CPU, and as soon as 2-3 instances are coming on, the pop and crack sounds are appearing. Also this project I just posted, it only did that as soon as I used this Telethon Retro Bass.. Other stuff runs fine. I need to replace these plugins here. They are intel only in the Audio Unit section.
    Spectre from Waves Factory
    The Glue from Cytomic
    Trilian from Spectrasonics

    If you guys have some suggestions on what I can replace these plugins with, I would be happy, Trilian is a pain to replace, since there really aren't ones to compare with.
     
  15. clone

    clone Audiosexual

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    Ok so you have Rosetta2, and it is called that because of the "Rosetta Stone", which explains simply; it is using translation of code written for Apple Silicon vs Intel processors. It slows it down because translation takes time. But you can look up numbers for that, and you are still talking about milliseconds. If you are using Logic, and you have plugin delay compensation enabled; you are creating a lot of work for your processor and in near realtime. You want anything you can run Natively, to run Natively.

    But if you have a brand new project with nothing loaded into it, it doesn't matter wether a plugin is intel compatiblity, native arm. It is not in use. You do not have that plugin loaded so all it does is take up space on your ssd.

    Go to Logic Preferences, Audio Tab, General Tab, and at the bottom it will say "plugin latency" on that window. Those options right there control Latency compensation. Well, you do not want non-native plugins running with it on, or that will help lag. Turn it off for your testing.

    Get Logic working correctly using no external plugins. Move them to the backup folder and even reboot. If you want to use something to really test your machine for audio? Use Alchemy in Logic. But it won't be some third-party plugin.
     
    Last edited: Dec 11, 2023
  16. Levonx

    Levonx Newbie

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    Thank you, will try it out and return with results.
     
  17. clone

    clone Audiosexual

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    Spectre from Waves Factory. - this is "turbo eq". Any good eq's you want
    The Glue from Cytomic. - u-he Presswerk is similar and better.
    Trilian from Spectrasonics - ik modobass or toontrack ez bass. there are so many good bass synths. smaller ones. I use legit OS, but not the other spectrasonics.

    stick to apple stock stuff in Logic until you figure out if that much works. alchemy is very cpu heavy for a regular stock synth. duplicate a bunch of them playing, instead of your kontakt.
     
    Last edited: Dec 11, 2023
  18. Choosename

    Choosename Platinum Record

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    You should invite clone to drink a beer
     
  19. Levonx

    Levonx Newbie

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    You can come to?
     
  20. Choosename

    Choosename Platinum Record

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    I guess!

    So finally do you find the culprit?
     
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