Re: [Condor-users] cron and specific slots

["Burnett, Ben" <ben.burnett@xxxxxxxx>]

Mind sharing what you came up with?  I'd be interested in seeing the details.

-B

On 2010-11-01, at 10:25 AM, Michael Di Domenico wrote:

> Thanks, I managed (with help) to get the system up to the point where
> each slot advertises all the same GPU information (derived from a
> script), but uses a SLOT_ classad and requirements expression to
> determine whether a job should run or not.
> 
> On Fri, Oct 29, 2010 at 8:14 PM, Burnett, Ben <ben.burnett@xxxxxxxx> wrote:
>> If the single slot pattern I mentioned before does not suit your needs, then you could do something like this:
>> 
>> 1) create one "GPU" slot per GPU device;
>> 2) continue to populate all the slot ads with the GPU information;
>> 3) modify your application to take a GPU device number as a parameter, but pass it the slot number;
>> 4) use the cudaSetDevice() in your application to tell CUDA to only use that GPU.
>> 
>> Just a thought.
>> 
>> -B
>> 
>> On 2010-10-29, at 11:31 AM, Michael Di Domenico wrote:
>> 
>>> I'm trying to update the classads from cron, but i only want to add
>>> classads from the cron to a specific slot.  Is there a mechanism or
>>> classad notation that I'm missing that would allow me to do this?
>>> 
>>> Currently when my cron job runs, it outputs the classads, but then
>>> those classads are sent for all four slots in my server.
>>> 
>>> I'm trying to register cuda capable devices into condor's startd
>>> attrs, perhaps theres a better way?
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