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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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migrated from Mar 20 '13 at 7:38

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500%. Is that all? That still leaves 3 cores totally ununtilised :-) – paxdiablo Mar 20 '13 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… – Vinzzz Mar 20 '13 at 0:16
Have you tried resetting Xcode with defaults delete; rm -rf ~/Library/Application\ Support/Xcode? Make sure to back up the settings first. – nneonneo Mar 20 '13 at 0:20
No kidding. I am very frustrated about the stupid xcode. – Emmy Mar 20 '13 at 0:21
How do I back up settings? I never did that. – Emmy Mar 20 '13 at 0:22

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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