[torquedev] [Bug 95] Support for GPUs

[bugzilla-daemon at supercluster.org]

http://www.clusterresources.com/bugzilla/show_bug.cgi?id=95

--- Comment #12 from dbeer at adaptivecomputing.com 2010-11-08 08:59:08 MST ---
(In reply to comment #10)
> Can I sound a note of caution about modifying the syntax of $PBS_NODEFILE, I
> suspect you will find a lot of people/programs process it on the assumption
> that it's just one line per CPU per host and just has the hostname in it.
> 
> Things like Fluent, etc..

Thanks for the heads up Chris. I was thinking that since most scripts/programs
process $PBS_NODEFILE to decide where to run, that this was the logical place
to put information about which GPUs to run on. It seems to me that any program
that parses $PBS_NODEFILE would need to be updated in order to place itself on
a GPU. Please also note that if GPUs are not requested, no change would be made
to $PBS_NODEFILE. 

That being said, if desired, we could create something else to store the GPUs
in - perhaps the $PBS_GPUFILE or something. Would that be better?

David

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