Re: G4 867mhz, Leopard, and XCode 3
Re: G4 867mhz, Leopard, and XCode 3
- Subject: Re: G4 867mhz, Leopard, and XCode 3
- From: "Adam R. Maxwell" <email@hidden>
- Date: Wed, 16 Apr 2008 20:11:53 -0700
On Apr 16, 2008, at 7:47 PM, Greg Guerin wrote:
I wrote:
What about the other barnacles, like indexing, the function-popup,
etc.?
Another resource-hog can be found here:
Xcode Preferences window.
Building pane.
The "Build Options:" heading (right side, middle-ish).
The "Use Predictive Compilation" checkbox.
Hover over it to read what it costs.
I tried disabling predictive compilation and syntax highlighting;
there was no noticeable change in performance insofar as the editor
still couldn't keep up with my typing, so I turned them back on.
When I filed this last October, Chris Espinosa said that the Shark
samples I sent looked like 70% editor, 30% garbage collection, with
half the editor time in the parser (my summary). He also said that
the slowdown concerned them, so hopefully all of us that experienced
these problems have filed bug reports with our code files and
profiling results.
If anyone wants a fun test, try this (somewhat bloated) controller:
http://bibdesk.svn.sourceforge.net/viewvc/*checkout*/bibdesk/trunk/bibdesk/BDSKEditor.m
After the #import statements at the top of the file, open a C comment /
* without a closing */ and start typing. It beachballs my PowerBook
and G5, and even a MBP 2.2 can't keep up with my typing. This is with
no other files open in Xcode.
--
adam
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