Re: [Condor-users] condor_submit feature request

[Ryan Lewis <me@xxxxxxxxxxxxx>]

I would like to see support for the basic math operations ($(Process) 
+12)*3/400

That would solve your problem.

- Ryan

On Aug 6, 2008, at 3:38 AM, Steffen Grunewald wrote:

> I'd like to ask for a feature related to condor_submit.
>
> Every now and then, I have to run a large job cluster with several  
> 100s
> to 1000s of jobs, each using $(Process) as the argument to the  
> executable
> (simply a counter, used as a seed for a RNG).
> Often I'd like to split the large cluster into pieces submitted  
> separately,
> or extend an existing cluster.
> What condor_submit is lacking is a way to start counting at a  
> process number
> > 0.
> Of course, this could be worked around using a "dummy" executable  
> for the
> first n jobs of a cluster:
> 	Executable = /bin/false
> 	Queue n
> then defining the real one
> 	Executable = $the_real_one
> 	Queue m
> but it imposes unneccessary load on the scheduler, and those very  
> short running
> jobs in the past had the tendency to confuse their shadow processes.
> If there was a "StartAt" parameter for the submit file (which would  
> default
> to 0 for the first Queue statement, and be counted up subsequently),  
> that
> would make things a lot easier (also to repeat a selected set of  
> failed jobs).
>
> Any opinions?
>
> Cheers,
> Steffen
>
> --
> Steffen Grunewald * MPI Grav.Phys.(AEI) * Am Mühlenberg 1, D-14476  
> Potsdam
> Cluster Admin * http://pandora.aei.mpg.de/merlin/ * http://www.aei.mpg.de/
> * e-mail: steffen.grunewald(*)aei.mpg.de * +49-331-567-{fon:7233,fax: 
> 7298}
> No Word/PPT mails - http://www.gnu.org/philosophy/no-word-attachments.html
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---------------------------------------------------------------
Ryan Lewis (Student)
Algorithms Consultant
Research Computing
ryan.lewis@xxxxxxxxxxxx
http://www.ryanlewis.net