[mpich-discuss] running parallel job issue!

[Ricardo Román Brenes]

Then the mpiexec should handle it... sorry, I use an outdated version that
is in centos repos
On Oct 23, 2013 9:01 AM, "Reuti" <reuti at staff.uni-marburg.de> wrote:

> Am 23.10.2013 um 16:51 schrieb Ricardo Román Brenes:
>
> > Hi. I'm not sure how it's done on that version of mpich, but you need to
> be sure that the mpd daemon is running on both hosts (mpdboot or maybe
> mpiexec starts it ).
>
> No. The `mpdboot` is gone for some time - nowadays Hydra is used (since
> MPICH2 v1.3).
>
> -- Reuti
>
>
> > Does cpi runs in hosts 2 locally?
> >
> > On Oct 23, 2013 8:47 AM, "Alexandra Betouni" <
> alexandra_99 at windowslive.com> wrote:
> >
> >
> >
> >
> > Hey there, I am trying to set up a parallel invironment with 14
> machines, running Linux XUbuntu, connected via ethernet.
> > They all have same IP's and same hostnames. Well I started installing
> mpich-3.0.4 on a single machine, I run the cpi example on localhost by
> giving mpiexec -host localhost -n 4 ./examples/cpi and everything worked
> fine!
> > So I continued changing the hostnames of 2 pc's for a start, and setting
> up the ssh in these two, also I installed the mpich-3.0.4 on the other
> machine too.
> > By giving the ssh <othermachine> date commant , I get the date of the
> other host without giving a password, so I think I passed that step too.
> > Next step was to check if the mpich-3.0.4 runs parallel, so  I created a
> machine file (I made a text file giving the hostnames of the two computers
> , host1 and host2), and save it in my mpich-3.0.4 build directory. Though
> when I am trying to parallel run the cpi code by giving mpiexec -n 4 -f
> machinefile ./examples/cpi on my working directory, I get NO errors but
> neither parallel job...
> > All processes still running on host1 which is my work station.
> > What am I doing wrong?
> > Thanks
> >
> >
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