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My xcode uses 5G ram on my computer (mac os 10.7.5). My mac has 2.7 GHz Interl Core i7 processor, I have 8G memory.

If I open my xcode, I can not do anything. What is wrong with this xcode? anyone can help.

I restarted my computer, I reinstalled the latest xcode, none of these helped. I can not do anything with xcode.

Anyone has any suggestion how to fix the issue. Thanks

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  • 500%. Is that all? That still leaves 3 cores totally ununtilised :-)
    – user53528
    Commented Mar 20, 2013 at 0:14
  • Do you have this usage on every project (I doubt that) or on a specific one ? Check headers imports, project headers search path maybe. See stackoverflow.com/questions/6225603/…
    – Vinzzz
    Commented Mar 20, 2013 at 0:16
  • Have you tried resetting Xcode with defaults delete com.apple.Xcode; rm -rf ~/Library/Application\ Support/Xcode? Make sure to back up the settings first.
    – nneonneo
    Commented Mar 20, 2013 at 0:20
  • No kidding. I am very frustrated about the stupid xcode.
    – Emmy
    Commented Mar 20, 2013 at 0:21
  • How do I back up settings? I never did that.
    – Emmy
    Commented Mar 20, 2013 at 0:22

3 Answers 3

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If your xcode is consuming that much of RAM and CPU, then surely it is doing few things in background.

Indexing your project. And your project is most likely to be a big one.

Downloading Components and Documentations. Try UnCheck these.

enter image description here

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I met the same case, and found out that the "comparing" view would cause the problem(both when committing to SVN and switching to "Show the version Editor" in the Main window)

But until now I don't find any solution after trying to upgrade to 4.6.2, restart and open other projects.

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You can try the following steps:

  • Find your project file.
  • Right-click on it, then select Show Package Contents.
  • Next, delete project.xcworkspace.
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