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From: Ralph Castain (rhc_at_[hidden])
Date: 2006-07-11 18:57:47


I¹m afraid that the current comm_spawn system really can¹t run unless
started via mpirun. I¹m going to take a shot at fixing it in the near future
and can let you know when that is accomplished, but it might take a little
while before I get the time.

Ralph

On 7/11/06 4:26 PM, "s anwar" <sanwar_at_[hidden]> wrote:

> Jeff:
>
> I've tried my application with MPICH2 and OpenMPI only. The readline stuff
> works in OpenMPI as long as I don't start my application with mpirun. It does
> not work in MPICH2 irrespective of whether I start my application with mpirun
> or not.
>
> My application starts on a workstation and spawns slave processes on cluster
> nodes. The application provides an interactive command shell and provides some
> GUI functionality using X.
>
> Do you know how bad is the MPI_Comm_spawn issue if I don't start my
> application via an mpirun?
>
> Thanks.
> Saadat.
>
> On 7/11/06, Jeff Squyres (jsquyres) <jsquyres_at_[hidden]> wrote:
>> Sorry for not replying earlier.
>>
>> It is likely that Open MPI won't work properly in this situation -- Open MPI
>> provides basic I/O forwarding. I don't know if curses-based or
>> readline-based applications will work through our forwarding.
>>
>> Do you know if this application works with other MPI implementations?
>>
>>>
>>> From: users-bounces_at_[hidden] [mailto: users-bounces_at_[hidden]
>>> <mailto:users-bounces_at_[hidden]> ] On Behalf Of s anwar
>>> Sent: Friday, July 07, 2006 12:46 PM
>>> To: Open MPI Users
>>> Subject: [OMPI users] readline and mpirun
>>>
>>>
>> When I run my MPI enabled application via mpirun, my application
>> command-prompt looses its readline editing capability. I was wondering if
>> there is workaround.
>>
>> Thanks.
>> Saadat.
>>
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>>
>
>
>
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