Re: Anybody really, really using Xcode 3 ?
Re: Anybody really, really using Xcode 3 ?
- Subject: Re: Anybody really, really using Xcode 3 ?
- From: Tobias Ford <email@hidden>
- Date: Sat, 10 Nov 2007 01:56:50 -0600
Previously, I was mostly using it to maintain a port of our game.
Last weekend, I used 3 to re-factor my collision library's alter
resolution code. It was a nice experience and the turn around for me
was pretty good when testing lots of really small changes that linked
against quite a few other libs for various final applications. Plus,
all of my breakpoints were actually hit with very little spinning and
next step/step into always worked. Previously, I'd almost always need
to use gdb directly. I thought that it was a really good experience
and that 3 might finally usable for large projects.
This was on an Intel Macbook that is dealing with about 50 mb of
source files.
On Nov 9, 2007, at 9:07 PM, Adam R. Maxwell wrote:
On Nov 9, 2007, at 6:49 PM, Rob Keniger wrote:
On 10/11/2007, at 3:57 AM, Adam R. Maxwell wrote:
Start Shark with opt-esc, then type this line in the middle of an
Obj-C class file and delete it by holding down backspace.
- (void)thisIsACocoaMethod:(NSString *)aString
With Shark running a malloc trace, I'm not able to type that line
and delete it before the trace finishes. With a time profile, I
can barely finish deleting it before the profile finishes. (this
is on a PowerBook G4)
It seems that most people having trouble with Xcode 3 performance
are running single-processor systems. I've only used Xcode 3 on a
MacBook and an Aluminium iMac and have had absolutely no problems
with performance. The task above completes as quickly as it does in
any text editor.
For the sake of completeness, the performance problems I'm
encountering are a function of project/file size as well. A
framework I've been developing has a dozen .m files, and all but one
are < 500 lines. Xcode 3 works great with that project. The
specific file/project I referred to in my bug report is
https://bibdesk.svn.sourceforge.net/svnroot/bibdesk/trunk/bibdesk/BibItem.m
which is significantly larger. Xcode 2.5 on my 8-year old Pismo has
the same or better editing performance.
Chris Espinosa mentioned that there could be issues on single
processor systems because the garbage collector thread has to run
on the same processor as the main thread - is there anyone here
running a dual (or more) processor system experiencing these
performance issues?
My dual G5 system is able to keep up with typing for the most part,
which is why I blamed the collector for my problems. Performance
still isn't as good as previous Xcode versions, though.
--
adam
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-------------------
Tobias Ford...
tobias1482 'at' mac.com
tford 'at' spacetimestudios.com
-------------------
Sr Programmer @ space time studios for a generic space game mmo
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