Thank you very much. It solved my problem. On Tue, Jan 28, 2014 at 6:18 PM, Kenneth Raffenetti <[email protected]>wrote:
Oh, looks like the "mpi" alternative doesn't actually update the mpiexec link. Try running this:
sudo update-alternatives --set mpirun /usr/bin/mpirun.mpich2
On 01/28/2014 11:11 AM, ehsan saei wrote:
here is the result: /etc/alternatives/mpicxx ->/usr/bin/mpicxx.mpich2 /etc/alternatives/mpiexec ->/usr/bin/mpiexec.openmpi
On Tue, Jan 28, 2014 at 5:58 PM, Kenneth Raffenetti <[email protected] <mailto:[email protected]>> wrote:
To double check that the alternatives system did the right thing, can you can check the output of these commands and send us the results?
ls -l /etc/alternatives/mpicxx ls -l /etc/alternatives/mpiexec
On 01/28/2014 10:42 AM, ehsan saei wrote:
Yes I recompiled but the result is the same as before.
On Tue, Jan 28, 2014 at 5:36 PM, Kenneth Raffenetti <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>> 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 <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>>__> 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 <[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[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]>> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de> <mailto:[email protected]__marburg.de <mailto:[email protected]>>> <mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de>> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de> <mailto:[email protected]__marburg.de <mailto:[email protected]>>>>
<mailto:[email protected]________marburg.de <mailto:[email protected]______marburg.de>
<mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de>>
<mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de>>>
<mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de>> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de> <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]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>>__> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto: [email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>>
<mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto: [email protected]>> <mailto:[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]>> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de> <mailto:[email protected]__marburg.de <mailto:[email protected]>>>
<mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de>> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de> <mailto:[email protected]__marburg.de <mailto:[email protected]>>>>
<mailto:[email protected]________marburg.de <mailto:[email protected]______marburg.de>
<mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de>> <mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de>>>
<mailto:[email protected]______marburg.de <mailto:[email protected]____marburg.de> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de>> <mailto:[email protected]____marburg.de <mailto:[email protected]__marburg.de> <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]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>> <mailto:[email protected] <mailto:[email protected]> <mailto:[email protected] <mailto:[email protected]>>>>>__> 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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