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Re: Slow Window Resizing on XCode 8
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Re: Slow Window Resizing on XCode 8


  • Subject: Re: Slow Window Resizing on XCode 8
  • From: Jens Alfke <email@hidden>
  • Date: Mon, 26 Sep 2016 09:37:34 -0700


On Sep 26, 2016, at 2:21 AM, Dave <email@hidden> wrote:

When I resize windows in XCode 8 (and 7, but it seems slower in 8), I get a massive lag (maybe .5 to 1 seconds) before the UI reacts to the Mouse being Dragged. On every other App I use the Window resize via Mouse Dragging in pretty much instant. Why is this? It’s really annoying as I resize windows all the time. Any way to speed it up?

I haven’t seen that. One technique I use to diagnose these kinds of temporary lockups is:

* Open a Terminal window
* type “sleep 2; sample Xcode 5” and hit Return
* Immediately switch back to Xcode with Cmd-Tab
* As soon as the `sample` command reports that it’s collecting samples, resize the Xcode window
* After the sample completes, look at the main thread call stacks looking for a significant time it spent blocked.

—Jens
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References: 
 >Slow Window Resizing on XCode 8 (From: Dave <email@hidden>)

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