[Paraview] Trying to run the servers on parallel

[Sebastien Jourdain]

Hi Kevin,

How good is your network between the remote PC that execute pvserver and
your client computer that run paraview ?
How big is your data ?
What type of data is that ? Structured or unstructured ?
Did you try to run pvserver on that very same machine without using MPI ?
Does that change anything ?
Did you try to go in ParaView/Edit/Settings and compare "local rendering"
vs "remote rendering" performance ?

Seb


On Mon, Dec 3, 2012 at 4:18 PM, Kevin Hackel <kevin.hackel at online.de> wrote:

>   Hello community,
>
> This is my first e-mail to the mailing list, so I hope I do it right :-)
> And sorry for my english, I try my best to make my mail understandable. If
> you can I would be pleased if you answer in german. Also I want you to know
> that I haven’t a great knowledge about informatics.
>
> Well I try to use Paraview on parallel, but I think it doesn’t work right
> how I do it.
> I use a remote PC on which I will run the Paraview client and a extern
> server with up to 48 CPUs and good GPUs.
> So I start the server using “mpirun –np ‘number’ ../pvserver” or “mpirun
> –np ‘number’ ../pvserver –display localhost:0” (my Paraview is compiled
> with openmpi on a linux system). Then I connect over the remote PC in
> Paraview to this server (client/server mode).
> It works, but not well. I’ve got test data (about 1GB) and it takes about
> two minutes to change for example the filter from outline to wireframe.
> Also when I want to move the image with drag and drop it takes about five
> seconds to rerender it. I think for only 1GB it takes too long for doing
> this.
> Also I’m not sure if my server uses its GPUs or only its CPUs, I don’t
> know how to find it out.
> Would it be better to use my remote PC only as a display?
> Could you tell me how Paraview scales with  the number of data sets and
> number of processes. Should I use ‘x’ processes to load ‘x’ data sets? Or
> is it better to use more processes than data sets (for example: Would it be
> better to use 8 processes for loading 6 data sets than using 6 processes?)
> Is there another way how I could start my server that it will work better?
> Or what can I change that it will work better?
>
> I hope you can help me a little bit and give me tips how I should use
> Paraview on parallel. Thanks.
>
>
> Greetings,
>
> Kevin
>
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