[vtkusers] Free x server memory

Tue Apr 6 12:43:04 EDT 2010

How do you measure the memory consumption?

On Tue, Apr 6, 2010 at 12:35 PM, Mathieu P <mtp.vtk at gmail.com> wrote:
> So my Graphic card is a nvidia Quadro FX 1800, OpenGL v3
> and Nvidia drivers 185.18.36
> Another strange problem in my program and the X server :
> I try to change the color of my lungtree, for example one color per
> generation.
> I use actor->GetProperty()->SetColor().
> That's add 100MB on my server X memory. I dont understand why because my
> actors for lungtrees branchs already exists, and they already have a default
> color...
> I have tested my program on several computers, with different X Server
> system, and i always have the 2 problems.
> Thanks for advices,
> Cordialement,
>
> -- Mathieu PICCIN
>
>
>
>
> On Tue, Apr 6, 2010 at 5:47 PM, Francois Bertel
> <francois.bertel at kitware.com> wrote:
>>
>> you can get the version of your driver with:
>>
>> $ glxinfo | grep "OpenGL version"
>>
>> Again, if the application exited, then this is out of the scope of
>> VTK. This is a leak on the driver side, this a bug in the nVidia
>> driver, not in VTK.
>>
>>
>> On Tue, Apr 6, 2010 at 11:31 AM, Mathieu P <mtp.vtk at gmail.com> wrote:
>> > Hello :
>> > First i am using
>> > OpenSUSE
>> > Graphic NVIDIA Quaddro  FX1700
>> > Dont know the exact nvidia driver version, but recent.
>> > I am using a QVTKWidget.
>> > I cannot delete vtkRenderWindow and vtkRenderWindowInteractor because
>> > it's
>> > done in the QVTKWidget desctructor.
>> > (i get a crash if i try)
>> > I have tried to use the mapper :: ImmediateRenderingOn() function. it's
>> > partially solve the problem because there is no more display lists
>> > loaded in
>> > the x server, so no memory at the exit, but it's very slow (very slow
>> > frame
>> > rate ~2), and cannot be used for real time rendering.
>> > I have also tried to make the rendering window inside the QVTKWidget
>> > current, and call glDeleteLists(0,0xFFFFFFFF). But no result. I have
>> > always
>> > my 300MB of lung tree datas in the X Server.
>> > I have no any problem with other 3D applications...
>> >
>> > Cordialement,
>> >
>> > -- Mathieu PICCIN
>> >
>> >
>> >
>> >
>> > On Tue, Apr 6, 2010 at 4:19 PM, Francois Bertel
>> > <francois.bertel at kitware.com> wrote:
>> >>
>> >> Hello,
>> >>
>> >> If there is a leak in the Xserver after the vtk based program exit
>> >> then this is out of the scope of VTK.
>> >>
>> >> It can be a bug in your X server or it can be some result that the X
>> >> server caches (it can cache a database of fonts and symbols).
>> >>
>> >> What happen when you start/exit another application regarding the X
>> >> server memory consumption (try a big app like Firefox, try an
>> >> OpenGL-based app like glxgears)? How do you measure this memory
>> >> consumption?
>> >>
>> >> What's your OS, graphics cards, graphics card driver?
>> >>
>> >>
>> >> On Fri, Apr 2, 2010 at 8:33 AM, Mathieu P <mtp.vtk at gmail.com> wrote:
>> >> > Actually i cannot delete vtkRenderWindow or vtkRenderWindowInteractor
>> >> > without program crash.
>> >> >
>> >> > I am using QVTKWidget, and i cannot understand why my X Server
>> >> > continue
>> >> > to
>> >> > have 300MB loaded in memory after program exit...
>> >> >
>> >> > I have already tried some vtkRenderWindow->Finalize() and
>> >> > vtkRenderWindowInteractor->Start()...
>> >> >
>> >> >
>> >> > Cordialement,
>> >> >
>> >> > -- Mathieu PICCIN
>> >> >
>> >> >
>> >> >
>> >> >
>> >> > On Thu, Apr 1, 2010 at 5:52 PM, Mathieu P <mtp.vtk at gmail.com> wrote:
>> >> >>
>> >> >> Hi all,
>> >> >>
>> >> >> I am loading a huge data set of points (to display lungtrees) with
>> >> >> VTK.
>> >> >> When i exit the application i have 300 MB of memory used by my X
>> >> >> Server.
>> >> >>
>> >> >> I have tried to Delete renderer, renderWindow,
>> >> >> renderWindowInteractor,
>> >> >> without any change.
>> >> >>
>> >> >> I have also tried to use the VTK WIKI way to delte point, but no
>> >> >> success...
>> >> >>
>> >> >> Is there a specific way to free memory from the X Server when
>> >> >> exiting
>> >> >> vtk
>> >> >> ?
>> >> >>
>> >> >> Thanks,
>> >> >>
>> >> >> Cordialement,
>> >> >>
>> >> >> -- Mathieu PICCIN
>> >> >>
>> >> >>
>> >> >
>> >> >
>> >> > _______________________________________________
>> >> > Powered by www.kitware.com
>> >> >
>> >> > Visit other Kitware open-source projects at
>> >> > http://www.kitware.com/opensource/opensource.html
>> >> >
>> >> > Please keep messages on-topic and check the VTK FAQ at:
>> >> > http://www.vtk.org/Wiki/VTK_FAQ
>> >> >
>> >> > Follow this link to subscribe/unsubscribe:
>> >> > http://www.vtk.org/mailman/listinfo/vtkusers
>> >> >
>> >> >
>> >>
>> >>
>> >>
>> >> --
>> >> François Bertel, PhD  | Kitware Inc. Suite 204
>> >> 1 (518) 371 3971 x113 | 28 Corporate Drive
>> >>                      | Clifton Park NY 12065, USA
>> >> _______________________________________________
>> >> Powered by www.kitware.com
>> >>
>> >> Visit other Kitware open-source projects at
>> >> http://www.kitware.com/opensource/opensource.html
>> >>
>> >> Please keep messages on-topic and check the VTK FAQ at:
>> >> http://www.vtk.org/Wiki/VTK_FAQ
>> >>
>> >> Follow this link to subscribe/unsubscribe:
>> >> http://www.vtk.org/mailman/listinfo/vtkusers
>> >
>> >
>>
>>
>>
>> --
>> François Bertel, PhD  | Kitware Inc. Suite 204
>> 1 (518) 371 3971 x113 | 28 Corporate Drive
>>                      | Clifton Park NY 12065, USA
>> _______________________________________________
>> Powered by www.kitware.com
>>
>> Visit other Kitware open-source projects at
>> http://www.kitware.com/opensource/opensource.html
>>
>> Please keep messages on-topic and check the VTK FAQ at:
>> http://www.vtk.org/Wiki/VTK_FAQ
>>
>> Follow this link to subscribe/unsubscribe:
>> http://www.vtk.org/mailman/listinfo/vtkusers
>
>

-- 
François Bertel, PhD  | Kitware Inc. Suite 204
1 (518) 371 3971 x113 | 28 Corporate Drive
                      | Clifton Park NY 12065, USA