[Swift-user] [Swift-devel] gram on ranger

David Kelly davidk at ci.uchicago.edu
Thu Oct 20 21:03:46 CDT 2011


Yep, this is using coasters

----- Original Message -----
> From: "Mihael Hategan" <hategan at mcs.anl.gov>
> To: "David Kelly" <davidk at ci.uchicago.edu>
> Cc: "Anjali Raja" <anjraja at gmail.com>, "Swift Devel" <swift-devel at ci.uchicago.edu>, "Swift User"
> <swift-user at ci.uchicago.edu>, "Ketan Maheshwari" <ketancmaheshwari at gmail.com>
> Sent: Thursday, October 20, 2011 8:49:46 PM
> Subject: Re: [Swift-devel] [Swift-user] gram on ranger
> On Thu, 2011-10-20 at 16:06 -0500, David Kelly wrote:
> >
> > > I think this problem goes back to the idea that providers should
> > > interpret "count" as "the number of instances of the executable
> > > that I
> > > want started" and other parameters should dictate how exactly that
> > > count is spread over nodes and cores.
> >
> > Mihael,
> >
> > In this setup I am using nodeGranularity=16, jobsPerNode=16, and
> > maxNodes=16. The SGE submit file could request anywhere between 16
> > and
> > 256 cores in multiples of 16.
> >
> > When I run catsn with -n=2, count is 16.
> > When I run catsn with -n=20, two SGE submit scripts get created,
> > each with count=16.
> >
> > Should count=32 in the second case? Am I misunderstanding what
> > 'count' is? Is there any way to get the exact number of
> > applications?
> 
> Coasters?



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