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Subject: Re: [OMPI users] Shared Memory Problem.
From: Reuti (reuti_at_[hidden])
Date: 2011-03-26 16:30:44


Am 26.03.2011 um 21:16 schrieb Michele Marena:

> No, I can't. I'm not a administrator of the cluster and I'm not the owner.

You can recompile your private version of Open MPI and install it in $HOME/local/openmpi-1.4.3 or alike and set paths accordingly during compilation of your source and execution.

-- Reuti

> 2011/3/26 Ralph Castain <rhc_at_[hidden]>
> Can you update to a more recent version? That version is several years out-of-date - we don't even really support it any more.
>
>
> On Mar 26, 2011, at 1:04 PM, Michele Marena wrote:
>
>> Yes, the syntax is wrong in the email, but I write it correctly when I launch mpirun. When some communicating processes are on the same node the application don't terminate, otherwise the application terminate and its results are correct. My OpenMPI version is 1.2.7.
>>
>> 2011/3/26 Ralph Castain <rhc_at_[hidden]>
>>
>> On Mar 26, 2011, at 11:34 AM, Michele Marena wrote:
>>
>> > Hi,
>> > I've a problem with shared memory. When my application runs using pure message passing (one process for node), it terminates and returns correct results. When 2 processes share a node and use shared memory for exchanges messages, my application don't terminate. At shell I write "mpirun -nolocal --mca self,sm,tcp ... (forces interface to eth0)... -np (number of processes) executable arguments".
>>
>> That's not right. If you want the apps to use shared memory, you don't have to do anything. However, if you do want to specify, then the correct syntax is
>>
>> mpirun -mca btl self,sm,tcp
>>
>>
>> >
>> > I hope you help me.
>> > I thank you.
>> > Michele _______________________________________________
>> > users mailing list
>> > users_at_[hidden]
>> > http://www.open-mpi.org/mailman/listinfo.cgi/users
>>
>>
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