[Paraview] Running Paraview in Parallel

[Charles Law]

Steve,

First, the conversion of the streamline filter from serial to parallel is 
not yet complete.  The current distributed implementation of streamlines 
does not speed up the processing over serial execution.

The reader is responsible for assigning files to processes.  You would have 
to look into the different parallel file formats like VTK's XML based readers.

In Paraview's standard mode of execution, The output will be displayed on 
the processes with the user interface.  This will be process 0 if you are 
running straight MPI.  If running ParaView as a client and server, the 
client has the UI and the rendering display.  There is also a tiled display 
mode which I will not discuss more.

Unfortunately, the feature you probably need does not work yet.  You will 
most likely start the server using your batch interface, and then start the 
ParaView client from an interactive session.  The problem is that the 
server nodes still try to connect (unnecessarily) to an X server.  We are 
in the process of fixing this.

ParaView also allows you to export a script that can be run in batch.  The 
output images/geometry are saved in files.  If you compile with Mesa the 
images can be rendered off screen so ParaView can work without an X server 
in this batch mode.   I do not know the status of this feature in version 1.2

Charles.

At 04:24 PM 3/9/2004, Steve Hudson wrote:
>I want to try running paraview in parallel on a linux cluster, to speed up 
>the processing of operations such as streamlines, but I am at a loss as to 
>where to start. To run parallel jobs, I have to log into a front end node 
>which then submits jobs to a batch queue. In the Paraview manual its says 
>that you run paraview as any other MPI jobs, but I dont know how to assign 
>files to processors, or quite how I view the output, can someone give me a 
>typical command line? - or point me to somewhere that has more information?
>
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