[Paraview] Multiple GPUs Per Node

[Utkarsh Ayachit]

Jean,

If you manually run "hostname" on the machine does it produce a valid
output? Also try using the full path to the hostname executable in the
Popen() call.

Utkarsh

On Mon, Sep 30, 2013 at 1:22 PM, Favre  Jean <jfavre at cscs.ch> wrote:
> I read on the wiki about a script to execute and display the hostname and DISPLAY of each rank of a parallel pvserver job.
>
> import os
> import subprocess
>
> display = os.getenv('DISPLAY')
> hostname = subprocess.Popen(['hostname'], stdout=subprocess.PIPE).communicate()[0].strip()
> print hostname, display
>
> However, the hostname line does not work for me. It returns an empty string. I use v4.0.1
> Has there been any changes to this procedure?
>
> -----------------
> Jean
> CSCS
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