Re: Xcode 2.1 saving lag
Re: Xcode 2.1 saving lag
- Subject: Re: Xcode 2.1 saving lag
- From: Chris Espinosa <email@hidden>
- Date: Wed, 15 Jun 2005 10:53:06 -0700
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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