[Swift-user] jobsPerNode

[Justin M Wozniak]

On Mon, 1 Aug 2011, Lorenzo Pesce wrote:

> If I look at this line:
>
> <profile namespace="globus" key="jobsPerNode">24</profile> <!-- remains constant for Beagle -->
>
> I assume I have to interpret this as:
> 1) If I want to pack as many jobs as possible (i.e., if I don't have memory issues, which unfortunately Matlab is excellent at creating)
> 2) If my jobs are single-threaded
>
> I wanted to make sure that this was not a setting that would be used for combining both threads and repetitions.
>
> What would I do if I want to repeat much larger chunks, e.g., I want to 
> make a parameter swift in NAMD where each sim will be run on 20 nodes 
> concurrently?
>
> If you have a pointer for where I can find the answer, I will go there.

The easiest way to get multi-node jobs going on Beagle right now is to 
just use the local provider and launch your application with aprun.  In 
this mode, you can use all of the PBS/aprun features.  To do this, you put 
the call to swift in your qsub file.

 	Justin

-- 
Justin M Wozniak