[torqueusers] [Patch] GPUs by the way of GRES

R. David david at unistra.fr
Fri Feb 3 02:20:24 MST 2012


Hello,

Here at the Computing center of the University of Strasbourg, we have been using this patch with great success.

It makes GPU access much easier for our users, and our batch configuration is now fully operational for GPUs.

	Regards,


Le 3 févr. 2012 à 09:58, Jonathan Michalon a écrit :

> Hi Maui folks,
> 
> GPUs in Maui are a long standing problem. Last year a patch was sent by Mariusz
> Mamoński [1], which works based on GRES parameters.
> I've just made GPUs kind of working, by enhancing that patch. Please find
> attached the resulting patch, which works well for Maui 3.3.1.
> It defines a special GRES named "gpu" which works as expected on my test cases.
> 
> Note that GRES behaviour seems quite confused as sometimes they are mentioned
> as consumable. This patch annihilates this behaviour, for the needs of GPUs.
> 
> To use the patch:
> get the sources of maui-3.3.1 and patch them:
> patch -p1 < ../Patch-for-gpu-GRES.patch
> then compile as usual.
> 
> You have to configure the GPUs in maui.cfg:
> NODECFG[nodename] GRES=gpu:2
> 
> Then when queuing jobs you can request GPUs with (Torque syntax):
> qsub -W x=GRES:gpu at 1
> 
> I hope this helps, please test this and enhance to your needs!
> 
> [1]
> http://www.supercluster.org/pipermail/mauiusers/2011-April/004622.html
> 
> Regards,
> 
> PS. This is the second attempt to send the mail…
> 
> --
> Jonathan Michalon
> IT student in Strasbourg
> <Patch-for-gpu-GRES.patch>_______________________________________________
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> torqueusers at supercluster.org
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---------------------------------------------------------
  R. David - david at unistra.fr
  Responsable du meso-centre 
  UdS / Direction Informatique
  Tel. : 03 68 85 45 48 
---------------------------------------------------------





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