[gridengine users] making core binding useful for MPI

Reuti reuti at staff.uni-marburg.de
Wed Jun 8 18:29:26 UTC 2011


Am 08.06.2011 um 17:36 schrieb Dave Love:

> Reuti <reuti at staff.uni-marburg.de> writes:
> 
>>>> what would be the difference to the current implementation?
>>>> 
>>>> -- Reuti
>>> 
>>> Binding a number of cores equal to the allocated slot count for the node
>>> rather than a fixed number.  E.g. you have 16-core nodes with $fill_up
>>> and 24-slot (process) job, you'd probably want to bind 16 on one and 8
>>> on another and you can't currently specify that.
>> 
>> I see, thx. - Reuti
> 
> Is it a sensible idea though?  I assume there's a reason something
> similar wasn't done.

Yes, it's fine and appreciated. I was wondering all the time, why a simple "lock my granted cores" wasn't there in the beginning.

-- Reuti



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