[gridengine users] double seizure of processors
ursula.winkler at uni-graz.at
Wed Apr 11 06:47:22 UTC 2012
>> I have a problem with mvapich2-jobs: if 2 jobs share the same host (e.q. two 4 core jobs on a 12 core host), then the SGE allocates partly the *same* cores to the two jobs so every one is only getting 50% cpu time. How can this be avoided?
> did you request any "-binding" to `qsub`? Otherwise it should be an effect of the scheduler in the kernel.
> -- Reuti
No, no "-binding" to qsub. The selection should make the SGE. But it
does not check that some cores are already used and chooses the same one
a second time.
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