[Swift-devel] Running a command on all coasters

[Michael Wilde]

Other than what Allan says below, there is no mechanism to do this, although such a function has been discussed in the past and there is interest in adding such a feature. It would likely apply to coaster workers only, though, and thus is semantically awkward at the language level.

Note that SwiftR uses a simple test to see if the initializer expression needs to be executed by the worker based on whether it has changed since the last R function eval.

- Mike


----- Original Message -----
> Hi Tim,
> 
> If you send lots of jobs, it should run on all the workers.
> 
> -Allan
> 
> 2011/1/25 Tim Armstrong <tim.g.armstrong at gmail.com>:
> > Hi All,
> >   Is there any mechanism in Swift where I could get swift to execute
> >   a
> > command on all of the worker machines that were currently attached
> > to the
> > coasters instance? I basically want to stage some data out to all of
> > the
> > workers and run some setup scripts in preparation for running a
> > whole bunch
> > of tasks.
> >
> > I'm not sure I actually want to do this, just assessing the
> > feasibility of
> > the option.
> >
> >  - Tim
> >
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-- 
Michael Wilde
Computation Institute, University of Chicago
Mathematics and Computer Science Division
Argonne National Laboratory