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Subject: Re: [OMPI users] Open Mpi execution error
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-04-07 12:05:44


Deleting the install as you describe is a VERY bad idea. As I explained elsewhere, the system generally comes with an installation. Blowing things away can destabilize other areas of the system unless you are (a) very careful, and (b) very lucky

Just stay away from the system directories, please.

On Apr 7, 2014, at 8:50 AM, Hamid Saeed <e.hamidsaeed_at_[hidden]> wrote:

> make -j<number of processors you want to assign for the make>
>
>
> It is very simple to uninstall
>
> go to the
> /usr/local/
> here you will find
> lib,bin etc these are the file of MPI.
> just type
> rm -r <name of the file>
>
> and also next time when you want to install i will recommend you use
>
> ./configure --prefix=/usr/local/mpi_installation
> make -j2
> make install
>
> include the following lines in your .bashrc file.
>
> export PATH=/usr/local/mpi_installation/bin:$PATH
> export LD_LIBRARY_PATH=/usr/local/mpi_installation/lib:$LD_LIBRARY_PATH
>
> best of luck.
>
>
> On Sun, Apr 6, 2014 at 5:45 PM, Kamal <infikamal5_at_[hidden]> wrote:
> Hi Ralph,
>
> I use OMPI 1.8 for Macbook OS X mavericks.
>
> As you said I will create a new directory to install my MPI files.
>
> Thanks for your reply,
>
> Kamal.
>
> On 07/04/2014 17:37, Ralph Castain wrote:
>> What version of OMPI are you attempting to install?
>>
>> Also, using /usr/local as your prefix is a VERY, VERY BAD idea. Most OS distributions come with a (typically old) version of OMPI installed in the system area. Overlaying that with another version can easily lead to the errors you show.
>>
>> You should always install to a user-level directory and then set your path and ld_library_path to start with that location
>>
>>
>> On Apr 6, 2014, at 8:30 AM, Kamal <infikamal5_at_[hidden]> wrote:
>>
>>> Hello Open MPI,
>>>
>>> I installed open-mpi with
>>> ./configure --prefix=/usr/local/
>>> make all
>>> make install
>>>
>>> then I launched my sample code which gave me this error
>>> my LD_LIBRARY_PATH=/usr/local/
>>>
>>> I have attached the output file with this mail
>>> could some one please help me with this .
>>>
>>>
>>> Thanks,
>>>
>>> Kamal
>>>
>>>
>>> <out.txt>_______________________________________________
>>>
>>> users mailing list
>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>>
>>
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
>
> _______________________________________________
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>
>
>
> --
> _______________________________________________
> Hamid Saeed
> CoSynth GmbH & Co. KG
> Escherweg 2 - 26121 Oldenburg - Germany
> Tel +49 441 9722 738 | Fax -278
> http://www.cosynth.com
> _______________________________________________
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