Re: Gui Lag in 2019.10 on OS 10.13.6
 

Any other ideas? I have yet to try running without plugins as the issue appears at random and sometimes not for a while so Im gonna have to have some serious downtime to try that.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

I've had these GUI lags on all kinds of computers and I have never been able to pinpoint it 100%. But it was never a CPU or other performance issue.
My recent Hackintosh - for whatever reason - is the first and only machine I've used where I didn't experience this lag. I wish I knew why, but unfortunately I don't. Nothing changed periphery or software wise.

However what I've noticed when those lags occured was the following:

There's a process running in the background of MacOS called "WindowServer". It handles all kinds of display activities. If you force quit it from activity monitor you're being kicked out of MacOS back to the login screen. BUT - it consistently solved the lag for a while. Just logged back in again and everything was snappy.
It's feels like some kind of graphical memory leak (don't quote me on that).
Give it a try, sure won't hurt anything.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

Sure. Killing the display manager reverts you to command line interface. Lucky that OSX has automatic restart of dislpay manager so you don't (normally) have to do anything to get GUI login.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

You don't, and whatever helps, right?
Obviously you shouldn't mess with processes required by the system, and this shouldn't be the solution for the problem. But in this case it is, and I prefer a re-login to a painfully stuttery PT GUI.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

Right. Slightly faster than cold reboot which UNIX should never have to do, except when you update kernel.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

Quite a lot faster. It's instant.
Still, it shouldn't be necessary at all and I wish I knew what causes this behavior in the first place. I sank hours into that, and I'm really glad I found this "dirty fix".
If anybody has a cure I'd gladly take it. I'm just fighting a symptom.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

If it's a memory leak, nothing cures it except OS update (that fixes window server or graphics driver)

Re: Gui Lag in 2019.10 on OS 10.13.6
 

I don't know, I've posted this back in Feb 2018 for the first time and had experienced it long before that post:

http://duc.avid.com/showthread.php?t=397516

I've seen lots of OS updates, none of which fixed the issue.
And with my current system at home I'm using the same OS (10.14.6) as on my iMac Pro at the studio. The iMac Pro does have the issue, my Hackintosh doesn't.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

And which GPU (graphics drivers) are we talking about? Hackintosh itself does not explain the (lack of) issue, only software does.

Re: Gui Lag in 2019.10 on OS 10.13.6
 

https://i.imgur.com/XwHLBil.png

But I've had the same issue with NVidia GPUs on10.13 and below.