[GE users] Nice Valued Q and MPICH jobs

Reuti reuti at staff.uni-marburg.de
Mon Jan 28 14:12:54 GMT 2008


Hi,

Am 28.01.2008 um 13:59 schrieb Dev:

>             Does the nice value for an mpich job get propagated to  
> the slave nodes in an MPI job as well if started in an SGE PE ?
>
> For eg If I have a q called slow.q with  a nice value of 19 .
>
> When I start an mpich job in a parallel environment associated with  
> this q , I see only the processes on the master node for the job  
> getting niced to 19 but the processes on the slave nodes of the mpi  
> job still have the nice value of 0. Am I missing something ? Tight  
> Integration probably ?

correct: if the slave tasks are tightly integrated, they would get  
the defined nice value.

-- Reuti

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