macOS Xcode 5.1 SLOW performance

[Intelligent]

Hey guys I'm programming a lot in xcode and when moving around images/buttons/text/windows what ever in main menu.xib/nib it just lags ALOT i can't do anything and it takes several seconds and its using up to 100cpu
Also note its not a big project at all, the same thing with new ones.

I have tried the following

Deleting all xcode.plist - Didn't make a difference at all
Reinstalling the whole thing - Didn't make a difference at all
Deleting workspace inside of the project - Didn't make a difference at all

I really need to use Xcode, its very important.

 

[chown33]

Create a new user account.
Run Xcode from that account.
Does it exhibit the same problem or not?

 

[Intelligent]

Create a new user account.
Run Xcode from that account.
Does it exhibit the same problem or not?

Actually it did not.

 

[xStep]

Start up Activity Monitor and see how much free RAM you have.

 

[Intelligent]

Start up Activity Monitor and see how much free RAM you have.

This has been around for a month, so i don't really think thats the problem, currently 10GB free.

 

[hokan]

From your test and comments it appears that the issue is related to your user account rather than the Xcode install or the project - so it seams likely that some project or Xcode related file in ~/Library (the users Library folder) may have gotten corrupted.

I vaguely recall that Xcode used to (around 2008-2010 ?) have some kind of indexing bug that resulted in 100% CPU usage. You may have run into something similar.

 

[Intelligent]

From your test and comments it appears that the issue is related to your user account rather than the Xcode install or the project - so it seams likely that some project or Xcode related file in ~/Library (the users Library folder) may have gotten corrupted.

I vaguely recall that Xcode used to (around 2008-2010 ?) have some kind of indexing bug that resulted in 100% CPU usage. You may have run into something similar.

I deleted the /user/library/developer/xcode/
And it didn't do any difference, i also deleted the plist and its still using 103%cpu just by moving an image .

 

[hokan]

I recommend that you start googling. I myself have not run into your specific issue but I got plenty of result when googling for "xcode 100% cpu" e.g.:

http://stackoverflow.com/questions/19014559/xcode-5-out-of-control-cpu-and-memory-usage
http://stackoverflow.com/questions/10522936/xcode-4-3-2-and-100-cpu-constantly-in-the-idle-time

most of these appear to be related to Xcode 4 but there are Xcode 5 cases as well.

Also not that there are plenty of places where Xcode stores files e.g. ~/Library/Application Support, ~/Libary/Caches ...