[MPICH] Making non-MPI programm use MPICH2...

[Matthew Chambers]

> -----Original Message-----
> From: owner-mpich-discuss at mcs.anl.gov [mailto:owner-mpich-
> discuss at mcs.anl.gov] On Behalf Of Patrick Gräbel
> Sent: Wednesday, March 07, 2007 3:25 AM
> To: mpich-discuss at mcs.anl.gov
> Subject: Re: Re: [MPICH] Making non-MPI programm use MPICH2...
> 
> >
> > Any program that uses MPI client/server routines will be a MPI program.
> > Do I misunderstand your statement ?
> >
> 
> I want some kind of lib or dll that adds MPICH2-functionality to a
> non-MPI programm (i mean an existing GUI-app, like a quite large Qt
> programm). I guess I have to place the calls contained by mpiexec
> inside my programm (i. e. a plugin of my programm). I wonder if
> someone has experience with such an (advisable?) idea...
> 

You should use your existing GUI-app as a wrapper which calls another
program which does the MPI work.  It can be tricky (having to use IPC to
have the wrapper know what's happening with the spawned process), but much
less tricky than trying to put the MPI program into the large, existing GUI
app.

-Matt Chambers
Vanderbilt Mass Spectrometry Research Center