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Re: [cdt-dev] Editor slow: frequent editor delays of sometimesupto2-3sec.
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Hi,
CDT 4.01 adressed this issue. The severe delays are 95% down now in a range
that you would expect on an AMD X2 4200+ machine.
Thanks for the great work on CDT!!
cheers
Chris
http://www.acurana.de/
Am Mittwoch 19 September 2007 16:20:48 schrieb Leherbauer, Anton:
> Another hint: Quick Diff
> Try disabling it in the ruler context menu.
>
> > -----Original Message-----
> > From: cdt-dev-bounces@xxxxxxxxxxx
> > [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of Christopher Lang
> > Sent: Wednesday, September 19, 2007 4:06 PM
> > To: CDT General developers list.
> > Subject: Re: [cdt-dev] Editor slow: frequent editor delays of
> > sometimesupto2-3sec.
> >
> >
> > unchecked "Link With Editor" in Outline view, but this didn't
> > help much.
> >
> > Heap memory usage jumps form approx ~40M right away to ~180M
> > and higher during the delays. Well, that IMHO explains the
> > delays, but what in eclipse/cdt uses
> > 130MB+ instantly during editing of a 3KB file?
> >
> > As if the entire project (consists of several 100 files) gets
> > reconciled every
> > few seconds and after copy/paste or some cursor movement.
> >
> > I'll try a new workspace with just a few files and report the results.
> >
> > thanks,
> > Chris
> >
> > Am Mittwoch 19 September 2007 14:42:23 schrieb Leherbauer, Anton:
> > > > > How large is the file in question?
> > > >
> > > > 3KB. Worst case 10KB.
> > >
> > > That's practically nothing ;-)
> > >
> > > > > Do you observe the delays also with small files?
> > > >
> > > > It is regardless of file size.
> > >
> > > Then it's definitely not the reconciler.
> > >
> > > > > Are the delays always related to typing or do they
> >
> > happen on other
> >
> > > > > occasions too? E.g. when opening the file,
> > > >
> > > > Only when typing, moving around with the cursor, editing,
> > > > cutting and pasting.
> > > > Actually the mouse hover features, like putting the mouse
> > > > over a C function for help on that function has a pretty good
> > > > response time of appox. < 0.5 sec.
> > > >
> > > > > Is there any background processing going on (Check the
> > > >
> > > > Progress view)?
> > > > checked the progress view. no.
> > > >
> > > > > Is the Java VM heap near its limit (Enable the Heap status
> > > >
> > > > display in
> > > > 40M of 231M
> > > >
> > > > I can see however, doing a "top" in a console that java is
> > > > eating the largest amount of processing power, but that is
> > > > only ~5%, every few seconds.
> > >
> > > Hm, did you check the "Link with Editor" switches in various views?
> > > I could imagine that esp. the History view could lead to
> >
> > delays when it
> >
> > > contacts the repository for file history.
> > >
> > > HTH,
> > > Toni
> > >
> > > > cheers
> > > > Chris
> > > >
> > > > Am Mittwoch 19 September 2007 10:38:11 schrieb Leherbauer, Anton:
> > > > > How large is the file in question?
> > > > > Do you observe the delays also with small files?
> > > > > Are the delays always related to typing or do they
> >
> > happen on other
> >
> > > > > occasions too? E.g. when opening the file, hovering
> >
> > with the mouse
> >
> > > > > over the text, etc.
> > > > > Is there any background processing going on (Check the
> > > >
> > > > Progress view)?
> > > >
> > > > > Is the Java VM heap near its limit (Enable the Heap status
> > > >
> > > > display in
> > > >
> > > > > the preferences)?
> > > > >
> > > > > Toni
> > > > >
> > > > > > -----Original Message-----
> > > > > > From: cdt-dev-bounces@xxxxxxxxxxx
> > > > > > [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of
> >
> > Christopher Lang
> >
> > > > > > Sent: Tuesday, September 18, 2007 10:37 PM
> > > > > > To: CDT General developers list.
> > > > > > Subject: Re: [cdt-dev] Editor slow: frequent editor delays of
> > > > > > sometimes upto2-3 sec.
> > > > > >
> > > > > >
> > > > > > Even if I disable *everything* in the CDT Editor
> > > >
> > > > preferences I have
> > > >
> > > > > > these frequent 2-3 sec. delays. Very strange. At least
> > > >
> > > > then I should
> > > >
> > > > > > get smooth editing on a Linux 64 Bit 2,2 Ghz Machine.
> > > >
> > > > Happens sinde
> > > >
> > > > > > Eclipse 3.3 and CDT 4.0.
> > > > > >
> > > > > > Chris
> > > > > >
> > > > > > Am Dienstag 18 September 2007 11:43:07 schrieb
> >
> > Leherbauer, Anton:
> > > > > > > You could try to disable semantic highlighting
> > > >
> > > > (Preferences C/C++
> > > >
> > > > > > > > Editor > Syntax Coloring").
> > > > > > >
> > > > > > > Esp. with large files, this feature can cause
> > > >
> > > > considerable delays.
> > > >
> > > > > > > The various "Link with Editor" switches might also
> >
> > cause delays.
> >
> > > > > > > Note that the outline view is more or less independent of
> > > > > >
> > > > > > the indexer.
> > > > > >
> > > > > > > It displays the "C Model" of the file which gets updated
> > > > > >
> > > > > > (reconciled)
> > > > > >
> > > > > > > in the background while you type.
> > > > > > > It could make sense to have an option to "reconcile on save
> > > > > >
> > > > > > only" to
> > > > > >
> > > > > > > reduce the CPU usage while editing.
> > > > > > >
> > > > > > > HTH,
> > > > > > > Toni
> > > > > > > --
> > > > > > > Anton Leherbauer
> > > > > > > Wind River CDT Team, Austria
> > > > > > >
> > > > > > > > -----Original Message-----
> > > > > > > > From: cdt-dev-bounces@xxxxxxxxxxx
> > > > > > > > [mailto:cdt-dev-bounces@xxxxxxxxxxx] On Behalf Of
> >
> > Christopher
> >
> > > > > > > > Lang
> > > > > > > > Sent: Tuesday, September 18, 2007 11:31 AM
> > > > > > > > To: cdt-dev@xxxxxxxxxxx
> > > > > > > > Subject: [cdt-dev] Editor slow: frequent editor delays of
> > > > > >
> > > > > > sometimes
> > > > > >
> > > > > > > > up to2-3 sec.
> > > > > > > >
> > > > > > > >
> > > > > > > > Folks,
> > > > > > > >
> > > > > > > > some weeks ago I upgraded to Eclipse 3.3 and to CDT
> > > > > > > > 4.0.0.200706261300.
> > > > > > > >
> > > > > > > > Since then the Editor delays quite frequently
> >
> > sometimes up to
> >
> > > > > > > > 2-3 sec. when moving and typing around in C++
> >
> > text, on an AMD
> >
> > > > > > > > X2 4200+ Machine (2.2GHz).
> > > > > > > >
> > > > > > > > I tried to disable most of the Indexer and Content Assist
> > > > > >
> > > > > > switches
> > > > > >
> > > > > > > > in the preferences without much improvement.
> > > > > > > >
> > > > > > > > Which componet in the Editor needs so much processing
> > > > > >
> > > > > > power to cause
> > > > > >
> > > > > > > > these delays and is there a way to switch of that
> >
> > particular
> >
> > > > > > > > feature?
> > > > > > > >
> > > > > > > > Sometimes it looks as if the Outline view causes
> >
> > the problem,
> >
> > > > > > > > because it becomes updated before the cursor
> >
> > becomes "free"
> >
> > > > > > > > again. But that would mean that it has to do with the
> > > >
> > > > indexer,
> > > >
> > > > > > > > right? It also happens if I switch off the indexer.
> > > > > > > > I'd rather deliver a better bug report, but this one is
> > > > > >
> > > > > > hard to get
> > > > > >
> > > > > > > > a grip on...
> > > > > > > >
> > > > > > > > Many thanks
> > > > > > > > Chris
> > > > > > > >
> > > > > > > > chris@linux64:~> java -version
> > > > > > > > java version "1.5.0_12"
> > > > > > > > Java(TM) 2 Runtime Environment, Standard Edition (build
> > > > > > > > 1.5.0_12-b04) Java HotSpot(TM) 64-Bit Server VM (build
> > > > > >
> > > > > > 1.5.0_12-b04,
> > > > > >
> > > > > > > > mixed mode)
> > > > > > > >
> > > > > > > > --
> > > > > > > >
> > > > > > > > http://www.acurana.de/
> > > > > > > >
> > > > > > > > _______________________________________________
> > > > > > > > cdt-dev mailing list
> > > > > > > > cdt-dev@xxxxxxxxxxx
> > > > > > > > https://dev.eclipse.org/mailman/listinfo/cdt-dev
> > > > > > >
> > > > > > > _______________________________________________
> > > > > > > cdt-dev mailing list
> > > > > > > cdt-dev@xxxxxxxxxxx
> > > > > > > https://dev.eclipse.org/mailman/listinfo/cdt-dev
> > > > > >
> > > > > > _______________________________________________
> > > > > > cdt-dev mailing list
> > > > > > cdt-dev@xxxxxxxxxxx
> > > > > > https://dev.eclipse.org/mailman/listinfo/cdt-dev
> > > > >
> > > > > _______________________________________________
> > > > > cdt-dev mailing list
> > > > > cdt-dev@xxxxxxxxxxx
> > > > > https://dev.eclipse.org/mailman/listinfo/cdt-dev
> > > >
> > > > _______________________________________________
> > > > cdt-dev mailing list
> > > > cdt-dev@xxxxxxxxxxx
> > > > https://dev.eclipse.org/mailman/listinfo/cdt-dev
> > >
> > > _______________________________________________
> > > cdt-dev mailing list
> > > cdt-dev@xxxxxxxxxxx
> > > https://dev.eclipse.org/mailman/listinfo/cdt-dev
