[PD-dev] [ pure-data-Bugs-2005761 ] ui performance bad on 0.40.3-extended

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Sun Jun 29 14:15:29 CEST 2008


Bugs item #2005761, was opened at 2008-06-29 05:31
Message generated for change (Comment added) made by eighthave
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Category: pd-extended
Group: None
Status: Open
Resolution: None
Priority: 5
Private: No
Submitted By: frey (freynz)
Assigned to: Hans-Christoph Steiner (eighthave)
Summary: ui performance bad on 0.40.3-extended

Initial Comment:
In the UI on MacOSX/Intel (and probably other platforms), opening a patch, and dragging objects around in a patch, is significantly slower in Pd-0.40.3-extended than in 0.40.2-vanilla. 

This problem exists back to at least the 2008-01-08 autobuild. 

Attached patches demonstrate the problem. Open up ui-slowness-test.pd. On 0.40.2-vanilla, this loads quickly. on 0.40.3-extended, there's a noticeable delay on load. 

Now select all objects and drag. On 0.40.2-vanilla the performance is bad but not atrocious. on 0.40.3-extended, the performance is atrocious.

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>Comment By: Hans-Christoph Steiner (eighthave)
Date: 2008-06-29 08:15

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Here is more from an old G4:

http://lists.puredata.info/pipermail/pd-list/2007-11/056368.html
http://lists.puredata.info/pipermail/pd-list/2007-11/056380.html

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Comment By: Hans-Christoph Steiner (eighthave)
Date: 2008-06-29 08:12

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It seems there was a similar report a while back, but with no example
patch:

https://sourceforge.net/tracker/index.php?func=detail&aid=1839447&group_id=55736&atid=478070

"when opening a patch, the screen takes a little while to show--first all
the objects show up, then after almost 1/2 second the connections show.
after doing something--eg hitting cmd-s, it takes some time for the
system
to be ready for the next action: hitting eg cmd-1 or cmd-e directly
doesn't
do anything. wait a second, and it works again.
this was not the case in earlier autobuilds (march this year).
pd ext-40-03 recent autobuilds on osx 10.4.x (both on .8 and on recently
upgraded .10)"

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Comment By: Hans-Christoph Steiner (eighthave)
Date: 2008-06-29 08:07

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Using this example patch with Pd-extended 0.40.3-extended-20080627 on my
3rd gen MacBook Pro running Mac OS X 10.4.11/Intel, there is no noticable
difference in load time when compared to Pd 0.41-4.  It is slower for
dragging, so I'll look into that.  But it is far from atrocious on my
machine it is quite usable, just a bit of a lag makes it feel somewhat
heavy.

I am using the default preferences.  Have you tried removing your
prefereneces?  Also what version of Mac OS X are you on?

I'll test on older G4 today.

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