[GE users] One slot per host, or a way to consume all slots

FL lengyel at gmail.com
Fri Feb 23 17:40:59 GMT 2007

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I see from the link that I need to say more about gaussian parallel jobs.
This method will work when the user submits a single-threaded job.
However, I do have a parallel execution environment for gaussian parallel
jobs, and $pe_slots is set to the number of workerjobs-1; I see that
gaussian jobs would need to set $pe_slots to (max slots per
in order to consume the available slots in that case...this makes the job
script explicitly dependent on the number of slots per host, unless I

On 2/23/07, Reuti <reuti at staff.uni-marburg.de> wrote:
> http://gridengine.sunsource.net/servlets/ReadMsg?list=users&msgNo=18988
> -- Reuti
> Am 23.02.2007 um 17:26 schrieb FL:
> > I'm running SGE 6.0u7 on a linux cluster; the OS is  RHEL 4.
> >
> > We have Gaussian G03 computational chemistry jobs that
> > should have the following property with respect to SGE:
> > if a G03 job is running on a node, then it should be the ONLY
> > job running on that node.  It's not enough for there to be
> > other (unrelated) suspended jobs on the node: making every
> > "non-Gaussian" queue subordinate to a "Gaussian" queue
> > won't be satisfactory (we've tried this and it tends to starve
> > the G03 jobs).
> >
> > I know that one way to ensure that G03 is the only job running
> > on a node if it is running is to set the number of slots per host
> > to one
> > (I could use a reference for this). However, that limits the
> > usefulness
> > of the node for jobs that can coexist with other jobs.
> >
> > is there a way to ensure that if a job in a certain queue
> > runs, then it consumes all the available slots? Or is there a better
> > way to ensure that if a job of a certain type is running on a node,
> > it is the only job running there?
> >
> > Thanks,
> > FL
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