Re: [Condor-users] cron and specific slots

[Michael Di Domenico <mdidomenico4@xxxxxxxxx>]

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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