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Subject: Re: [OMPI users] Argument parsing issue
From: Jeff Squyres (jsquyres_at_[hidden])
Date: 2011-01-28 08:38:39


Thanks for the confirmation.

I committed the fix to the trunk as of r24322 and filed CMR's for v1.4 and v1.5.

On Jan 28, 2011, at 2:50 AM, Gabriele Fatigati wrote:

> Hi Jeff,
>
> i'm trying your patch on openmpi-1.7a1r24319 version and it works well!
>
> Arguments are parsed well with totalview:
>
> Command:
>
> mpirun --debug -n 2 ./a.out a b "c d"
>
> output:
>
> a
> b
> c d
>
>
>
>
> 2011/1/27 Jeff Squyres <jsquyres_at_[hidden]>
> I did my patch against the development trunk; could you try the attached patch to a trunk nightly tarball and see if that works for you?
>
> If it does, I can provide patches for v1.4 and v1.5 (the code moved a bit between these 3 versions, so I would need to adapt the patches a little).
>
>
>
> On Jan 27, 2011, at 9:06 AM, Gabriele Fatigati wrote:
>
> > Ok Jeff,
> >
> > explain me where is the code and i'll try to fix it.
> >
> > Thanks a lot.
> >
> > 2011/1/27 Jeff Squyres <jsquyres_at_[hidden]>
> > I found the code in OMPI that is dropping the quoting.
> >
> > Specifically: it *is* OMPI that is dropping your quoting / splitting "foo bar" into 2 arguments when re-execing totalview.
> >
> > Let me see if I can gin up a patch...
> >
> >
> > On Jan 27, 2011, at 7:42 AM, Ralph Castain wrote:
> >
> > > The problem is that mpirun regenerates itself to exec a command of "totalview mpirun ....", and the quotes are lost in the process.
> > >
> > > Just start your debugged job with "totalview mpirun ..." and it should work fine.
> > >
> > > On Jan 27, 2011, at 3:00 AM, Gabriele Fatigati wrote:
> > >
> > >> The problem is how mpirun scan input parameters when Totalview is invoked.
> > >>
> > >> There is some wrong behaviour in the middle :(
> > >>
> > >> 2011/1/27 Reuti <reuti_at_[hidden]>
> > >> Am 27.01.2011 um 10:32 schrieb Gabriele Fatigati:
> > >>
> > >> > Mm,
> > >> >
> > >> > doing as you suggest the output is:
> > >> >
> > >> > a
> > >> > b
> > >> > "c
> > >> > d"
> > >>
> > >> Whoa - your applications without the debugger is running fine - so I don't think that it's a problem with `mpirun` per se.
> > >>
> > >> The same happens with single quotes inside double quotes?
> > >>
> > >> -- Reuti
> > >>
> > >>
> > >> > and not:
> > >> >
> > >> > a
> > >> > b
> > >> > "c d"
> > >> >
> > >> > 2011/1/27 Reuti <reuti_at_[hidden]>
> > >> > Hi,
> > >> >
> > >> > Am 27.01.2011 um 09:48 schrieb Gabriele Fatigati:
> > >> >
> > >> > > Dear OpenMPI users and developers,
> > >> > >
> > >> > > i'm using OpenMPI 1.4.3 and Intel compiler. My simple application require 3 line arguments to work. If i use the follow command:
> > >> > >
> > >> > > mpirun -np 2 ./a.out a b "c d"
> > >> > >
> > >> > > It works well.
> > >> > >
> > >> > > Debugging my application with Totalview:
> > >> > >
> > >> > > mpirun -np 2 --debug ./a.out a b "c d"
> > >> > >
> > >> > > Argument parsing doesn't work well. Arguments passed are:
> > >> > >
> > >> > > a b c d
> > >> >
> > >> > this double expansion can happen with certain wrappers (also with queuing system this happens sometimes). What you can try is:
> > >> >
> > >> > $ mpirun -np 2 --debug ./a.out a b "'c d'"
> > >> >
> > >> > $ mpirun -np 2 --debug ./a.out a b "\"c d\""
> > >> >
> > >> > -- Reuti
> > >> >
> > >> >
> > >> > > and not
> > >> > >
> > >> > > a b "c d"
> > >> > >
> > >> > > I think there is an issue in parsing the arguments invoking Totalview. Is this a bug into mpirun or i need to do it in other way?
> > >> > >
> > >> > > Thanks in forward.
> > >> > >
> > >> > >
> > >> > >
> > >> > >
> > >> > >
> > >> > > --
> > >> > > Ing. Gabriele Fatigati
> > >> > >
> > >> > > Parallel programmer
> > >> > >
> > >> > > CINECA Systems & Tecnologies Department
> > >> > >
> > >> > > Supercomputing Group
> > >> > >
> > >> > > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
> > >> > >
> > >> > > www.cineca.it Tel: +39 051 6171722
> > >> > >
> > >> > > g.fatigati [AT] cineca.it
> > >> > > _______________________________________________
> > >> > > users mailing list
> > >> > > users_at_[hidden]
> > >> > > http://www.open-mpi.org/mailman/listinfo.cgi/users
> > >> >
> > >> >
> > >> > _______________________________________________
> > >> > users mailing list
> > >> > users_at_[hidden]
> > >> > http://www.open-mpi.org/mailman/listinfo.cgi/users
> > >> >
> > >> >
> > >> >
> > >> >
> > >> > --
> > >> > Ing. Gabriele Fatigati
> > >> >
> > >> > Parallel programmer
> > >> >
> > >> > CINECA Systems & Tecnologies Department
> > >> >
> > >> > Supercomputing Group
> > >> >
> > >> > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
> > >> >
> > >> > www.cineca.it Tel: +39 051 6171722
> > >> >
> > >> > g.fatigati [AT] cineca.it
> > >> > _______________________________________________
> > >> > users mailing list
> > >> > users_at_[hidden]
> > >> > http://www.open-mpi.org/mailman/listinfo.cgi/users
> > >>
> > >>
> > >> _______________________________________________
> > >> users mailing list
> > >> users_at_[hidden]
> > >> http://www.open-mpi.org/mailman/listinfo.cgi/users
> > >>
> > >>
> > >>
> > >>
> > >> --
> > >> Ing. Gabriele Fatigati
> > >>
> > >> Parallel programmer
> > >>
> > >> CINECA Systems & Tecnologies Department
> > >>
> > >> Supercomputing Group
> > >>
> > >> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
> > >>
> > >> www.cineca.it Tel: +39 051 6171722
> > >>
> > >> g.fatigati [AT] cineca.it
> > >> _______________________________________________
> > >> users mailing list
> > >> users_at_[hidden]
> > >> http://www.open-mpi.org/mailman/listinfo.cgi/users
> > >
> > > _______________________________________________
> > > users mailing list
> > > users_at_[hidden]
> > > http://www.open-mpi.org/mailman/listinfo.cgi/users
> >
> >
> > --
> > Jeff Squyres
> > jsquyres_at_[hidden]
> > For corporate legal information go to:
> > http://www.cisco.com/web/about/doing_business/legal/cri/
> >
> >
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
> >
> >
> >
> >
> > --
> > Ing. Gabriele Fatigati
> >
> > Parallel programmer
> >
> > CINECA Systems & Tecnologies Department
> >
> > Supercomputing Group
> >
> > Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
> >
> > www.cineca.it Tel: +39 051 6171722
> >
> > g.fatigati [AT] cineca.it
> > _______________________________________________
> > users mailing list
> > users_at_[hidden]
> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> --
> Jeff Squyres
> jsquyres_at_[hidden]
> For corporate legal information go to:
> http://www.cisco.com/web/about/doing_business/legal/cri/
>
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
>
> --
> Ing. Gabriele Fatigati
>
> Parallel programmer
>
> CINECA Systems & Tecnologies Department
>
> Supercomputing Group
>
> Via Magnanelli 6/3, Casalecchio di Reno (BO) Italy
>
> www.cineca.it Tel: +39 051 6171722
>
> g.fatigati [AT] cineca.it
> _______________________________________________
> users mailing list
> users_at_[hidden]
> http://www.open-mpi.org/mailman/listinfo.cgi/users

-- 
Jeff Squyres
jsquyres_at_[hidden]
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/