[mpich-discuss] Do I need to run "mpd" every time before I execute "mpiexec"?

[Pavan Balaji]

Is the build failing without --with-pm=hydra?

 -- Pavan

On Sep 5, 2013, at 2:26 PM, Seungbum Koo wrote:

> Sorry. The log file at the stage of the problem is overwritten when I was reconfiguring MPICH again.
> 
> I don't know if it will help, but I attached 'config.log' I just ran without "--with-pm=hydra" option.
> 
> Seungbum
> 
> 
> On Thu, Sep 5, 2013 at 9:07 AM, Ken Raffenetti <raffenet at mcs.anl.gov> wrote:
> You should not have to specify hydra with the 3.0.4 release. It is the default. Can you send your config.log so we know what went wrong?
> 
> ----- Original Message -----
> > From: "Seungbum Koo" <doougsini at gmail.com>
> > To: "Jeff Hammond" <jeff.science at gmail.com>, nrosner at gmail.com
> > Cc: "MPICH" <discuss at mpich.org>
> > Sent: Thursday, September 5, 2013 6:59:12 AM
> > Subject: Re: [mpich-discuss] Do I need to run "mpd" every time before I execute "mpiexec"?
> >
> >
> >
> >
> >
> > Wow. Thank you for the fast replies. You guys hardly sleep.
> >
> > PROBLEM SOLVED. It works now.
> >
> > Nicolás/ No. that can't be. It is my personal computer and I haven't
> > installed MPICH so far.
> > Jeff/ I saw that FAQ but didn't try --with-pm=hydra.
> >
> >
> >
> > I first didn't configure MPICH with any process manager since hydra
> > is set to default according to the installation guide. I
> > reconfigured "--with-pm=hydra" and reinstalled. Now it is working.
> >
> >
> > Once again, thank you for your interest and help.
> >
> > Seungbum
> >
> >
> >
> >
> > On Wed, Sep 4, 2013 at 11:14 PM, Jeff Hammond <
> > jeff.science at gmail.com > wrote:
> >
> >
> >
> > http://wiki.mpich.org/mpich/index.php/Frequently_Asked_Questions#Q:_I_don.27t_like_.3CWHATEVER.3E_about_mpd.2C_or_I.27m_having_a_problem_with_mpdboot.2C_can_you_fix_it.3F
> >
> >
> >
> >
> >
> >
> > On Wed, Sep 4, 2013 at 11:02 PM, Nicolas Rosner < nrosner at gmail.com >
> > wrote:
> >
> >
> >
> >
> > Hi Seungbum,
> >
> >
> > > do I need to run "mpd" every time before I run "mpiexec"?
> >
> > No. You shouldn't need to run mpd at all.
> >
> > From the FAQ: "The mpd process manager has many problems, as well as
> > an annoying mpdboot step that is fragile and difficult to use
> > correctly. The mpd process manager is deprecated at this point ..."
> >
> > Perhaps when you typed "mpiexec", you were not really running the
> > mpiexec binary that you had just built, but rather some other (really
> > old) version that was already lying around on your system?
> >
> > I'd suggest:
> > running "which mpiexec" and "mpiexec --version"
> > checking your $PATH
> > specifying an absolute pathname to the new mpiexec binary instead
> > of just "mpiexec"
> >
> > Hope this helps,
> > Nicolás
> > _______________________________________________
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> >
> >
> >
> >
> > --
> > Jeff Hammond
> > jeff.science at gmail.com
> >
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> <config.log>_______________________________________________
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--
Pavan Balaji
http://www.mcs.anl.gov/~balaji