Final Cut Pro X choppy playhead after few minutes, restart program fixes it.

First off. I'd like to say that I really appriated the Vanilla guide, very nicely writing. Although I did not do a Vanilla install just yet.

I have a fresh Hackintosh with the follow:

• 8350K
• RX580
• Gigabyte Z370M DS3H
• Install with Tonymac method

It's running flawlessly. Very very fast.

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However, If I use Final Cut, the playhead becomes choppy after a while. Restarting the program fixes the issue. I was wondering if anyone encountered this before? I have the feeling I got a similar problem with a real Mac before. Maybe my system is still just nog fast enough. But maybe it's to do with the hack.