[Paraview] Extremely slow animations

[Martin Huarte Espinosa]

Dear Ken: thanks for the reply.


> I think we would need some more information before we could narrow down
> what might be the problem. It sounds like the data you have is static. That
> is, the tubed lines are the same for every frame of the animation. Is that
> the case?
>
>
*Yes. The only thing that changes is their orientation.*


> In your pvserver launch, how large is the parallel job? How many nodes in
> your cluster are you using? How many processes per node?
>

*1 process per node, but I am using a gpu node. e.g. *
*   qsub -l mem=24gb -l walltime=05:00:00 -N paraview -I -V -qgpu*


>
> What type of data file are you loading? Not all file formats will be
> automatically distributed across a parallel job.
>

*chombo/HDF5*


>
> It might be helpful if you took a look at the timer log (Tools -> Timer).
> That will give you an indication of how long things are taking.
>
>
*I will try this.*

I will write back soon. Thanks again, Martin Huarte.


From: ParaView <paraview-bounces at paraview.org> on behalf of Martin Huarte
Espinosa <martin.huartee at gmail.com>
Date: Wednesday, March 23, 2016 at 11:13 AM
To: ParaView list <paraview at paraview.org>
Subject: [EXTERNAL] [Paraview] Extremely slow animations

Dear Paraview enthusiasts, good day. I did an animation using a single data
file, camera-follow path, rendering about 800 stream tracer lines, with
tube filters using a mac book pro without gpu cards, and it took me about
2-3hrs. I then tried to do a similar animation, but it turned out to
extremely slow, using pvserver over remote resources, through an ethernet
connection, apparently with more ram memory than the mac instance, and with
GPU cards . It does not make sense. According to the sys admin folks
they did a parallel, gpu enabled, built of the pvserver. The slowdown
seemed to be associated with the animations, i.e. the session was fast for
rendering and working with the data.

Any hints will be greatly appreciated.

My best, Martín


*Martín Huarte-Espinosa, Ph.D.*
*Physicist  -  Expert Numerical Modeler and Code Developer - High
Performance Computing Research Specialist*

* <http://linkedin.com/pub/martin-huarte-espinosa/59/6b7/13a>
<https://twitter.com/mhuartee> *
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