[Paraview] Animation with sudden large intervals between consecutive frames

[Tom Fahner]

It seems like that option did the trick. The animations are now running
smoothly from the start. Still the memory usage on the graphics card is
large, up to the maximum capacity, but not over it. Thanks for the advice!


2013/1/17 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>

> Try disabling the use of display lists i.e. turn on "Use Immediate
> Mode Rendering" from the settings dialog
> (http://paraview.org/Wiki/ParaView/Users_Guide/Settings). That may
> help with the GPU memory issue. We do release display lists when data
> changes, but maybe there's a driver bug or something that may cause
> the issue.
>
> Utkarsh
>
> On Thu, Jan 17, 2013 at 4:49 AM, Tom Fahner <tom.fahner at gmail.com> wrote:
> > After some more diagnostics we found that the graphics card memory was
> full
> > during the large intervals. As we did not manage to monitor the graphics
> > card memory usage in normal operation, it is not entirely certain that
> this
> > is the cause, however since the normal memory was slowly being filled
> during
> > the large intervals this seems to be the main cause. I am wondering if
> there
> > are typical settings that we can modify in order to reduce the graphics
> card
> > memory footprint? If not, we should consider updating our hardware I
> guess.
> >
> >
> > 2013/1/16 Tom Fahner <tom.fahner at gmail.com>
> >>
> >> Just a small update:
> >>
> >> I had in fact originally not used the offscreen rendering, so yesterday
> I
> >> started the animation with offscreen rendering checked, cache geometry
> on
> >> with 1MB of cache limit. The weird thing is that I started creating the
> >> animation around 9.30 am yesterday morning and it than took until 3 am
> this
> >> morning before 4 frames were created (2 large 8 hour intervals). After
> that
> >> the performance was ok, with approximately 9 frames per ten minutes on
> >> average. I will start one animation without caching just to complete
> the 4
> >> different settings that are possible with these two options
> >> checked/unchecked.
> >>
> >> Quality of the frames is not affected it seems, at least not visibly
> when
> >> viewing the animation, so that is good.
> >>
> >> Tom
> >>
> >>
> >> 2013/1/15 Utkarsh Ayachit <utkarsh.ayachit at kitware.com>
> >>>
> >>> > I'd like to find out why the offscreen is so much slower - does the
> >>> > offscreen redering session get created and destroyed on every frame.
> When
> >>> > generating 2000frames or so it can make a big difference.
> >>>
> >>> I just verified that it doesn't do that i.e. doesn't create and
> >>> destroy the context on every frame when saving out animations.
> >>>
> >>> Utkarsh
> >>
> >>
> >>
> >>
> >> --
> >> T.C. Fahner
> >> e: tom.fahner at gmail.com
> >> t: +31-6-52642814
> >> a: van Lodensteynstraat 24
> >>     2612 SE Delft
> >>     Netherlands
> >
> >
> >
> >
> > --
> > T.C. Fahner
> > e: tom.fahner at gmail.com
> > t: +31-6-52642814
> > a: van Lodensteynstraat 24
> >     2612 SE Delft
> >     Netherlands
>



-- 
T.C. Fahner
e: tom.fahner at gmail.com
t: +31-6-52642814
a: van Lodensteynstraat 24
    2612 SE Delft
    Netherlands
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