Re: [mpich-discuss] A problem in running mpi code on ubuntu 13.10

28 Jan 2014


      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
<[email protected] <mailto:[email protected]>> 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
        <[email protected] <mailto:[email protected]>
        <mailto:[email protected]__marburg.de
        <mailto:[email protected]>>> 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
        <[email protected] <mailto:[email protected]>
             <mailto:[email protected]
        <mailto:[email protected]>>> wrote:
              > which mpicxx returns: /usr/bin/mpicxx
              >
              >
              > On Mon, Jan 27, 2014 at 4:44 PM, Reuti
             <[email protected]
        <mailto:[email protected]>
        <mailto:[email protected]__marburg.de
        <mailto:[email protected]>>> 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
             <[email protected] <mailto:[email protected]>
        <mailto:[email protected] <mailto:[email protected]>>> wrote:
              > > The code is fine. The problem is most likely either
        the way
             youï¿½re 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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