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Re: Turning off the garbage collector for Xcode 3.0
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Re: Turning off the garbage collector for Xcode 3.0


  • Subject: Re: Turning off the garbage collector for Xcode 3.0
  • From: Chris Hanson <email@hidden>
  • Date: Fri, 01 Aug 2008 20:04:40 -0700

On Aug 1, 2008, at 5:26 PM, email@hidden wrote:

Thus, we would like to ask you whether we able to TURN OFF the garbage collector and safe some processor resources for execution of Xcode's frond end which does the real work.

Xcode 3.0 and later are only supported running under Objective-C garbage collection.


Please file a bug with some details showing how to reproduce the slowdowns you see. As Jens pointed out, there are a great many large projects that are built with Xcode.

One suspicion I have, given that you also mentioned "generation of snapshots," is that you have some deeply-recursive header paths set up in your projects. In this context "snapshots" may refer to how Xcode generates its dependency graph, the performance of which can be affected if it has to traverse a huge number of directories searching for headers.

Another thing I strongly recommend is trying Xcode 3.1 instead of Xcode 3.0. It's always worth trying the latest version before reporting issues in the previous version; it's always possible that something you're running into has already been found and fixed. You can have multiple versions of Xcode installed side-by-side, and Xcode is easy to uninstall and reinstall, in case you're concerned about not being able to roll back.

 -- Chris

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 >Turning off the garbage collector for Xcode 3.0 (From: email@hidden)

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