[torquedev] [torqueusers] how does (pv)mem limits work

"Mgr. Šimon Tóth" SimonT at mail.muni.cz
Thu Sep 16 08:38:01 MDT 2010


> I believe each process would have a ulimit of 8192, giving your job
> 16GB total.  If you want to submit a threaded job that uses all 16GB
> within a single process then I think you would have to request 16GB,
> but I think the scheduler might then look for a node with 2 * 16GB
> (singe ppn=2, and it doesn't know you are going to be running a single
> process with multiple threads).  Maybe someone with some more
> experience using pvmem defaults can answer...

I will just note that this is exactly why using ppn for both CPU and
process semantics is totally wrong.

-- 
Mgr. Šimon Tóth

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