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

ehsan saei ehsan.saei at gmail.com
Tue Jan 28 10:15:30 CST 2014


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