[Swift-user] control number of condor nodes?

[Glen Hocky]

Which parameter is that?

On Thu, Jun 24, 2010 at 11:40 AM, Allan Espinosa
<aespinosa at cs.uchicago.edu>wrote:

> hi Glen,
>
> How about setting the spread to be more uniform (like 0.1)?
>
> -Allan
> 2010/6/24 Glen Hocky <hockyg at uchicago.edu>:
> > Hey Everyone,
> > Quick question. I'm testing on bg/p and things are working fine, but I
> can't
> > seem to increase the number of nodes I'm using in the way I expect. I can
> > run fine on 64 nodes tih
> >>
> >>     <filesystem provider="local"/>
> >>
> >>     <execution provider="coaster" jobmanager="local:cobalt"/>
> >>
> >>     <profile namespace="globus" key="queue">prod-devel</profile>
> >>
> >>     <profile namespace="globus" key="slots">1</profile>
> >>
> >>     <profile namespace="globus" key="nodeGranularity">64</profile>
> >>
> >>     <profile namespace="globus" key="workersPerNode">4</profile>
> >>
> >>     <profile namespace="globus" key="maxNodes">64</profile>
> >>
> >>     <profile namespace="globus" key="project">OOPS</profile>
> >>
> >>     <profile namespace="globus" key="kernelprofile">zeptoos</profile>
> >>
> >>     <profile namespace="globus" key="maxtime">3559</profile>
> >>
> >>     <profile namespace="globus" key="alcfbgpnat">true</profile>
> >>
> >>     <profile namespace="karajan" key="jobThrottle">2.55</profile>
> >>
> >>     <profile namespace="karajan" key="initialScore">100000</profile>
> >>
> >>     <scratch>/tmp</scratch>
> >>
> >>
> >>
>  <workdirectory>/home/hockyg/reichman/glassy_dynamics/code/swift/work</workdirectory>
> >
> > I successfully went up to 256 nodes by increasing slots to 4 but I was
> > unable to get a block of size 256.
> > When I set maxnodes to 256, slots=1 , i get a block of size 128
> regardless
> > of several changes (and removal) of jobThrottle
> > Any ideas on how to fine tune this, because I will certainly need to
> choose
> > my number of jobs based on an expected ( max wall time * workers per node
> *
> > number of nodes )
> > Glen
>
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