On Tue, Jan 28, 2014 at 5:36 PM, Kenneth Raffenetti <raffenet@mcs.anl.gov> wrote:

Just making sure, you recompiled your program with mpicxx before running it again?

On 01/28/2014 10:30 AM, ehsan saei wrote:

Thanks but, still the same result

On Tue, Jan 28, 2014 at 5:20 PM, Kenneth Raffenetti
<raffenet@mcs.anl.gov <mailto:raffenet@mcs.anl.gov>> wrote:

Try running 'sudo update-alternatives --set mpi
/usr/include/mpich2'. This tells the Ubuntu alternatives system to
use mpich2 by default.

Ken

On 01/28/2014 10:15 AM, ehsan saei wrote:

Yes you are right. I have both of them. Now what is the solution for
this machine?

On Tue, Jan 28, 2014 at 4:23 PM, Kenneth Raffenetti
<raffenet@mcs.anl.gov <mailto:raffenet@mcs.anl.gov>
<mailto:raffenet@mcs.anl.gov <mailto:raffenet@mcs.anl.gov>>> wrote:

This problem usually comes from having a mix of openmpi and
mpich
both installed on the same machine. Is that the case? You
can search
for openmpi by running something like this from the command
line:

dpkg -l | grep openmpi

On 01/28/2014 08:50 AM, ehsan saei wrote:

for size the output is 1 independent from the number of
processed that I
declare with "mpiexec -n ..."

On Tue, Jan 28, 2014 at 3:12 PM, Reuti
<reuti@staff.uni-marburg.de
<mailto:reuti@staff.uni-marburg.de>
<mailto:reuti@staff.uni-__marburg.de
<mailto:reuti@staff.uni-marburg.de>>
<mailto:reuti@staff.uni-____marburg.de
<mailto:reuti@staff.uni-__marburg.de>

<mailto:reuti@staff.uni-__marburg.de
<mailto:reuti@staff.uni-marburg.de>>>> wrote:

Am 28.01.2014 um 11:18 schrieb ehsan saei:

> I still have the problem with mpi

In the program you cited you don't output the
size. Can you
output
the size in addition?

-- Reuti

> On Mon, Jan 27, 2014 at 4:47 PM, ehsan saei
<ehsan.saei@gmail.com <mailto:ehsan.saei@gmail.com>
<mailto:ehsan.saei@gmail.com <mailto:ehsan.saei@gmail.com>>
<mailto:ehsan.saei@gmail.com
<mailto:ehsan.saei@gmail.com>

<mailto:ehsan.saei@gmail.com
<mailto:ehsan.saei@gmail.com>>>__> wrote:
> which mpicxx returns: /usr/bin/mpicxx
>
>
> On Mon, Jan 27, 2014 at 4:44 PM, Reuti
<reuti@staff.uni-marburg.de
<mailto:reuti@staff.uni-marburg.de>
<mailto:reuti@staff.uni-__marburg.de
<mailto:reuti@staff.uni-marburg.de>>
<mailto:reuti@staff.uni-____marburg.de
<mailto:reuti@staff.uni-__marburg.de>

<mailto:reuti@staff.uni-__marburg.de
<mailto:reuti@staff.uni-marburg.de>>>> wrote:
> Am 27.01.2014 um 16:41 schrieb ehsan saei:
>
> > I compile the code with: mpicxx main.cpp
> > and run it with: mpiexec -n 8 ./a.out
>
> Does `which mpicxx` resp. `which mpiexec` point
to the
intended
target?
>
> -- Reuti
>
>
> > I use a single computer with dual core core i3
> >
> >
> > On Mon, Jan 27, 2014 at 4:39 PM, Wesley Bland
<wbland@mcs.anl.gov <mailto:wbland@mcs.anl.gov>
<mailto:wbland@mcs.anl.gov <mailto:wbland@mcs.anl.gov>>
<mailto:wbland@mcs.anl.gov <mailto:wbland@mcs.anl.gov>
<mailto:wbland@mcs.anl.gov <mailto:wbland@mcs.anl.gov>>>> wrote:
> > The code is fine. The problem is most likely
either
the way
you’re executing your code or the way you
installed it. Can
you tell
us how you executed in on the command line to start?
> >
> > Thanks,
> > Wesley
> >
> >
> >
> >
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