[Swift-user] Job bundles
deng at mcs.anl.gov
Tue Nov 6 13:35:46 CST 2007
On 11/6/07, Ben Clifford <benc at hawaga.org.uk> wrote:
> On Tue, 6 Nov 2007, Ioan Raicu wrote:
> > 2) the LRM allows the partitioning of the SMP machine into smaller pieces; for
> > example, with 8 processor node, if it lets you submit 8 jobs that only need 1
> > processor, and it will launch 8 different jobs on the same node, then you are
> > fine... the parallelism will be done automatically by the LRM, as long as you
> > ask for only 1 process at a time; on the TG at least, I don't think this is
> > how things work, and when you get a node, regardless of how many processors it
> > has, you get full access to all processors, not just the ones you asked for.
> PBS allows the specification of multiple processes per node, like this
> (grabbed from google)
> > qsub -l walltime=15:00,nodes=1:ppn=1 script.pbs
> It looks like abe runs PBS.
I just tried it. The jobs are scheduled on different nodes on abe.
> So I think you could specify a globus profile key in the sites.xml,
> perhaps something like this:
> <profile namespace="globus" key="ppn">8</profile>
I tried last Wednesday and got some really strange error message.
I think the correct way to set ppn number is to use the count rsl key word.
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