Randy Hansen

Q: New computer-major performance issues.

I have upgraded from a macPro to an iMac. When running Logic on the iMac I am experiencing serious performance issues.  I am having big time latency while playing a keyboard that I never experienced on my macPro, and this is with the buffer size at it's smallest and in low latency mode.  I'm not sure if it's just a latency issued though, because there's also a delay (about 3 to five seconds) from when I push the stop button, for it to actually stop during playback.  Anyone know what gives here?  Thanks.

Posted on Sep 29, 2016 5:27 PM

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Q: New computer-major performance issues.

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  • by oingo boingo,

    oingo boingo oingo boingo Oct 2, 2016 6:08 AM in response to Randy Hansen
    Level 1 (77 points)
    Audio
    Oct 2, 2016 6:08 AM in response to Randy Hansen

    Are you talking about the computer keyboard? If it is it a bluetooth keyboard, try a wired one.

     

    If it's a MIDI keyboard, are you using the same audio interface and connector?

  • by BenB,

    BenB BenB Oct 2, 2016 6:47 AM in response to Randy Hansen
    Level 6 (9,976 points)
    Audio
    Oct 2, 2016 6:47 AM in response to Randy Hansen

    How much RAM is on your iMac, and are you using an external drive for your projects and media files?

  • by octopi,

    octopi octopi Oct 2, 2016 6:48 AM in response to Randy Hansen
    Level 4 (1,392 points)
    Audio
    Oct 2, 2016 6:48 AM in response to Randy Hansen

    Is the OS version on your iMac different from the one on your MacPro?

     

    Is the Logic version different on your iMac than it is on your Mac Pro?

     

    What audio/midi interface are you using?

     

    What keyboard are you using (make and model)?

  • by Pancenter,

    Pancenter Pancenter Oct 2, 2016 1:36 PM in response to Randy Hansen
    Level 6 (10,018 points)
    Audio
    Oct 2, 2016 1:36 PM in response to Randy Hansen

    Several possibilities...

     

    In Logic's Preferences....

     

    Perform all tests, one at a time, close and reopen Logic after each attempt. If there's is no improvement return to the former setting and try the next test. Set you audio interface settings in Logic, do not select your interface in the Mac's System Preferences and then select system settings or whatever it's called in Logic. Set your interface directly in Logic. Is your Audio/MIDI interface 100% compatible (drivers) with the version of OSX you're using?

     

    1. Under the Multithreading Option... Set it to "Playback Tracks".

     

    2. Under the Processing Threads option, click and hold, select 1/2 the maximum number of threads available.

     

    3. It could be a controller issue causing a drag on the system from an internal MIDI loop.

     


    With Logic not running Delete the Logic 10 preferences file AND the shared control surfaces file.

    (for now only delete the control surfaces file)


    In the Finder, choose Go > Go to Folder from the menu.
    Type ~/Library/Preferences in the "Go to the folder" field. Note: Type/cut paste this--->    ~/Library/Preferences
    Press the Go button.
    Remove the  com.apple.logic10.plist  file from the Preferences folder. Note that if you have programmed any custom key commands, this will reset them to the defaults. You may wish to export your custom key command as a preset before performing this step. See the Logic Pro User Manual for details on how to do this. If you are having trouble with a control surface in Logic Pro. then delete the com.apple.logic.pro.cs file from the preferences folder.

     

    You can also try deleting  Logic's preference file, you'll have to go through preferences and reset your settings.