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| title | last_updated | keywords | summary | sidebar | permalink |
|---|---|---|---|---|---|
| Running Paraview | 03 December 2020 | software, paraview, mesa, OpenGL, interactive | This document describes how to run ParaView in the Merlin6 cluster | merlin6_sidebar | /merlin6/paraview.html |
Requirements
NoMachine is the official strongly recommended and supported tool for running ParaView. Consider that running over SSH (X11-Forwarding needed) is very slow, but also configuration might not work as it also depends on the client configuration (Linux workstation/laptop, Windows with XMing, etc.). Hence, please avoid running Paraview over SSH. The only exception for running over SSH is when running it as a job from a NoMachine client.
ParaView
PModules
Is strongly recommended the use of the latest ParaView version available in PModules. In example, for loading paraview:
module use unstable
module load paraview/5.8.1
Running ParaView
For running ParaView, one can run it with VirtualGL to take advantatge of the GPU card located on each login node. For that, once loaded, you can start paraview as follows:
vglrun paraview
Alternatively, one can run paraview with mesa support with the below command. This can be useful when running on CPU computing nodes (with srun / salloc)
which have no graphics card (and where vglrun is not possible):
paraview-mesa paraview
Running older versions of ParaView
Older versions of ParaView available in PModules (i.e. paraview/5.0.1 and paraview/5.4.1) might require a different command for running paraview with Mesa support. The command is the following:
# Warning: only for Paraview 5.4.1 and older
paraview --mesa
Running ParaView interactively in the batch system
One can run ParaView interactively in the CPU cluster as follows:
# First, load module. In example: "module load paraview/5.8.1"
srun --pty --x11 --partition=general --ntasks=1 paraview-mesa paraview
One can change the partition, number of tasks or specify extra parameters to srun if needed.