Re: XCode Editor Poor Performance
Re: XCode Editor Poor Performance
- Subject: Re: XCode Editor Poor Performance
- From: j o a r <email@hidden>
- Date: Thu, 14 Jul 2005 19:12:15 +0200
Chris Espinosa wrote a bit about this in a thread with subject "Xcode
2.1 saving lag" not long ago on this list.
In general, if you have performance problem you should use Shark to
collect sample reports and submit them to the Xcode team via
RadarWeb. And even if they end up not prioritizing your bug report,
it's often interesting to see what it is that Xcode is doing at these
times - sometimes you can find a workaround based on a simple
analysis of the sample.
j o a r
On 14 jul 2005, at 18.57, Andreas Grosam wrote:
I notice that XCode becomes slower and slower when editing some
"bigger" files, say greater than 200 lines. (not to mention really
big files!)
Deleting with <backspace> takes about 0.5 secs per character,
saving a file takes 4 secs, and the editor can't handle more than
300 keystrokes per min. Inserting characters with the "repeat key"
funtion is about 3.5 times slower than in TextEdit - or in XCode
it takes 14 secs to insert 100 characters with the repeat key
function. Of course, i set it to max speed on the keyboard
preferences, but it is limited by XCode.
Switching to another file within the editor takes about 1 sec until
it updates, and to update the function popup takes up to 5 secs for
a file with 300 lines.
Sometimes it is that *slow*, that it even does nothing. Only after
a few secs, or only when you are changing something else, the
editor refreshes and shows the edited portions. So it happens very
frequently for instance, that i delete a character twice - because
i do not visually recognize it the first time.
I don´t remember the old times, as I had to wait for an editor
finishing its tasks. Now, XCode apparently brings it back.
I tried to disble code completion, but this does not help.
But it is not only the editor, almost all other tasks are pretty
slow, too. For instance, just saving the preference dialog
*sometimes* takes about 10 secs - and the pizza starts spinning.
My system runs fine, otherwise - so i don't think there is
something bad in the base.
Needless to say, that this is pretty annoying.
I would appreciate it if this could be improved. And with
improving, i mean a speedup of about 3 to 10 times - not just 20 or
50%.
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