Hello,
I have a computer having 2 CPU and 56 cores in total. A month ago I
installed son of gridengine 8.1.9 and configured one queue (all.q). I
was able to submit and run 56 concurrent jobs in all.q with no problem.
Yesterday, I defined a PE (smp) with 16 slots and I was able to run
multi-threads programs on it.
After the PE was configured and assigned to all.q I noticed a weird
behavior; every time that I submit regular jobs to all.q I can run just
40 jobs simultaneously instead of 56. ( like used to be). Why is this
happening? It looks like 16 cores are exclusively reserved for the PE
and nobody is able to run jobs on them, unless qsub -pe smp 16 shell.sh
is explicitly specified?
How can I run 56 concurrent jobs when the PE is not being used? Is there
any way to do that?
Thanks for you help.
Carlos
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