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Re: Xcode 3.2 -- Two more bugs??
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Re: Xcode 3.2 -- Two more bugs??


  • Subject: Re: Xcode 3.2 -- Two more bugs??
  • From: Jean-Daniel Dupas <email@hidden>
  • Date: Mon, 31 Aug 2009 19:43:48 +0200


Le 31 août 2009 à 19:32, Jens Alfke a écrit :


On Aug 31, 2009, at 10:08 AM, Jim Ingham wrote:

But if there are other reasons why you don't want to run your app under the debugger in the normal "Run" mode it would be interesting to hear what they are. We tested the way Xcode runs apps under the debugger in 3.2 with a wide variety of apps, and having the debugger involved only added a fraction of a second, so that should not be a big deal.

Does that mean that gdb startup performance has been greatly improved in 10.6?! I'm used to gdb adding several seconds to an app's launch time, in 10.5. I just checked with a medium-sided app project of mine, on my 2.4GHz MBP, and it's five seconds from "[Session started..." to entering main(). When I run Chromium, it's often more like 30 seconds.


(Sadly, I can't install 10.6 yet, as it has too many problems with VPN and LDAP on Google's intranet.)

It's always slower when you debug than when you just run (even if it looks faster than on Leopard).
When you Run the application, I guess it does not load symbols, but just perform the minimal requires to properly intercept mach exceptions.
But AFAIK, this is already the case in Xcode 3.1.



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References: 
 >Xcode 3.2 -- Two more bugs?? (From: "McLaughlin, Michael P." <email@hidden>)
 >Re: Xcode 3.2 -- Two more bugs?? (From: Joar Wingfors <email@hidden>)
 >Re: Xcode 3.2 -- Two more bugs?? (From: Jim Ingham <email@hidden>)
 >Re: Xcode 3.2 -- Two more bugs?? (From: Jens Alfke <email@hidden>)

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