Hi Pedro,
The list got the first copy of the message you sent. Are you getting
bounce messages for replies to this thread like I am? Apparently the size
went over 40K or something. I sent an answer to R1, but I got bounce
messages so I'm not sure if it was sent. I'm about ready to give up on the
JPP list.
Anyway, thanks for the info! I have been meaning to get into performance
tuning, but it appears that you have achieved some success already. Can you
tell me what aspects of OJ were affected by your performance tuning and do
you have any specific figures on improvements?
regards,
Larry Becker
On 3/25/07, Pedro Doria Meunier <[EMAIL PROTECTED]> wrote:
Hi guys
This is what I use in my command line with really improved performance:
start javaw -XX:ParallelGCThreads=2 -XX:MaxNewSize=24m -XX:NewSize=24m
-XX:SurvivorRatio=128
-XX:+UseParNewGC -XX:+UseConcMarkSweepGC -XX:MaxTenuringThreshold=0
-XX:CMSInitiatingOccupancyFraction=60
-Dswing.defaultlaf=javax.swing.plaf.metal.MetalLookAndFeel
-Dlog4j.configuration=file:./log4j.xml -Xms1024M -Xmx1024M -cp %CLASSPATH%
com.vividsolutions.jump.workbench.JUMPWorkbench -i18n en -properties
workbench-properties.xml -plug-in-directory %LIB%/ext
Note the -XX:ParallelGCThreads=2 switch… everyone with an hyperthreading
or dual-core processor should use this… ;-)
There's also some trickery around the garbage collector policies.
Best regards,
Pedro.
*From:* [EMAIL PROTECTED] [mailto:
[EMAIL PROTECTED] *On Behalf Of *erwan
bocher
*Sent:* domingo, 25 de Março de 2007 10:57
*To:* List for discussion of JPP development and use.
*Subject:* Re: [JPP-Devel] speed up of rendering
Hi,
One remark about memory consumed in OJ. When I load a shapefile with 36
580 polygons (size 18 mb) the memory using by my java virtual is up to 202
mb. If I minimize my OpenJUMP windows and I open it again the JVM display :
85 mb.
R1.
On 3/24/07, *Stefan Steiniger* <[EMAIL PROTECTED]> wrote:
you are right.. if i click on the zoombar.. then everything seems to be
faster(=normal) with my modified version.
I actually see the slow behaviour too if i move the slider with an older
jump version and a jump-i18n version (which is a bit odd, since the
other version i did test for comparing was a newer openjump-cvs version
from august last year.. so somebody did something change in between)
Btw.. there is no need to fix that now.. weekends should be weekends ;)
stefan
Larry Becker schrieb:
> Hi Stefan,
>
> I seem to be duplicating the Zoom bar behavior you reported without
> the speed mod. If I click and drag the zoom bar slider, I get very slow
> redraw times on the order of ten seconds, however If I click the zoom
> bar it is faster. I think JUMP is starting multiple render threads
> while the zoom bar slider is being dragged. This could explain the slow
> behavior. Also the very large polygons that you are testing with don't
> seem to be simplified by the ZoomBar's randomGeometries() unless the
> number of geometries is greater than 100.
>
> Can you test it again and see if the large slowdown only occurs when you
> drag the zoom bar (in any version of JUMP).
>
> thanks,
> Larry
>
> On 3/24/07, * Larry Becker* < [EMAIL PROTECTED]
> <mailto:[EMAIL PROTECTED]>> wrote:
>
> Hi Stefan,
>
> It occurs to me that I never use the Zoom bar so I probably
> haven't tested it. The Zoom bar does a more radical kind of
> decimation simplification itself. It might be interacting with the
> Java2DConverter decimation in a bad way. I'll check it out.
>
> thanks,
> Larry
>
>
>
>
> On 3/24/07, *Stefan Steiniger* < [EMAIL PROTECTED]
> <mailto: [EMAIL PROTECTED]>> wrote:
>
> Hei Larry,
>
> Larry Becker schrieb:
> > Hi Stefan,
> >
> > 1. Is there somewhere I can get a copy of the shape file to
> test with?
>
> i upload it here:
>
ftp://ftp.geo.unizh.ch/pub/sstein/openjump/brdlaender.zip
>
> > 2. Is the speed up working for other large shape files?
> i have not tested
> > 3. Does it perform better if you zoom to full extents
instead
> of using
> > the Zoom bar.
> yes - (or as usual)
> > 4. What is the Committed Memory showing after you load the
file?
> mhm.. not that much: 11MB
> > 5. After the blocked behavior, does the Committed Memory go
> down?
> 14 MB
>
> btw: panning is fine, and if i use Zoom to scale it is fine as
well.
>
> thanx for taking care
> stefan :)
>
> >
> > Thanks for testing. I have been waiting for other
developers
> to try
> > the decimator mod to see if there might be issues.
> >
> > regards,
> > Larry
> >
> > On 3/24/07, *Stefan Steiniger* < [EMAIL PROTECTED]
> <mailto: [EMAIL PROTECTED]>
> > <mailto: [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED] >>>
wrote:
> >
> > Hei Larry and Bob,
> >
> > i did test somthing after i implemented the new speed up
code.
> > I loaded a large shp file with 16 very large polygons (>
> 5000 points)
> > and zoom to full extent.
> > When i moved the slider of the zoom bar (zooming out) the
> systems does
> > nothing (is blocked) for more than 30 seconds (or even
more).
> > If make the same thing with an older version of jump it
> takes one 2 sek
> > after seeing the outlines and one sec more for filling.
> >
> > any suggestions?
> > probably an issue which could be solved by the bbox?
> >
> > stefan
> >
> > Larry Becker schrieb:
> > > Right. That would be:
> > >
> > >
> >
>
http://skyjump.cvs.sourceforge.net/skyjump/skyjump/com/vividsolutions/jump/workbench/ui/renderer/java2D/Java2DConverter.java?view=log
> > > <
> >
>
http://skyjump.cvs.sourceforge.net/skyjump/skyjump/com/vividsolutions/jump/workbench/ui/renderer/java2D/Java2DConverter.java?view=log
>
> > >
> > > with an incidental mod to:
> > >
> > >
> >
>
http://skyjump.cvs.sourceforge.net/skyjump/skyjump/com/vividsolutions/jump/workbench/ui/renderer/style/WKTFillPattern.java?view=log
>
<http://skyjump.cvs.sourceforge.net/skyjump/skyjump/com/vividsolutions/jump/workbench/ui/renderer/style/WKTFillPattern.java?view=log
>
> > > <
> >
>
http://skyjump.cvs.sourceforge.net/skyjump/skyjump/com/vividsolutions/jump/workbench/ui/renderer/style/WKTFillPattern.java?view=log
>
<http://skyjump.cvs.sourceforge.net/skyjump/skyjump/com/vividsolutions/jump/workbench/ui/renderer/style/WKTFillPattern.java?view=log
>>
> > >
> > > regards,
> > > Larry
> > >
> >
> >
>
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