Re: Xcode 2.1 saving lag
Re: Xcode 2.1 saving lag
- Subject: Re: Xcode 2.1 saving lag
- From: Ben <email@hidden>
- Date: Wed, 15 Jun 2005 11:44:39 -0700 (PDT)
I also have this problem on a machine with plenty of ram. Given that I
don't actually build with Xcode, just edit with it, this is a somewhat
disappointing answer. Can I file something somewhere to get this to
behavior optionally disabled?
On Wed, 15 Jun 2005, Chris Espinosa wrote:
> On Jun 14, 2005, at 7:40 PM, Rosyna wrote:
>
> > Since I grew up using Microsoft Word and the like, it's become
> > second nature for me to press command S to save every few seconds
> > (instinctively). However, since upgrading to Xcode 2.1, I've
> > noticed a huge lag whenever I said. I even get the spinning beach
> > ball. Is there some new setting in Xcode that causes it to do
> > something wacky and compute intensive on save?
>
> It's doing three things:
>
> 1) It's recalculating the dependency tree to mark dependent files and
> targets as dirty and needing a rebuild. We know this process is
> unoptimized and are working on it.
>
> 2) It's reindexing that file. This happens on a lower-priority
> background thread and shouldn't take too long or be noticeable.
>
> 3) It's actually compiling the file in the background for you, in
> case that's the next thing you'll be doing. Again, this happens on a
> low-priority background thread. If you have a low-memory machine
> this may cause swapping and result in a spin, but if you have more
> RAM this is not noticeable
>
> 4) It's unfortunately doing a full text layout of the entire file.
> This is only noticeable in very large files, but is an optimization
> opportunity for us.
>
> My guess is that you have a large dependency tree, and that you're
> running into 1).
>
> Chris
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