Ah - you are quite correct. I had forgotten that option is coming in 1.3.1, and wasn't in 1.3.0.

Glad you found the other solution!

Ralph


On Mar 16, 2009, at 9:44 AM, Marcia Cristina Cera wrote:

Hi Ralph,

Helps a lot!
But the option "--report-uri" is unable to mpirun. After some searches in OpenMPI lists I found a way to run:

1) ompi-server -d --report-uri urifile &  -----> (must be always running)
2) mpirun -ompi-server file:urifile -np 1 publish-test
3) mpirun -ompi-server file:urifile -np 1 connect-test

Thank you for the links.
Márcia.

On Mon, Mar 16, 2009 at 3:28 PM, Ralph Castain <rhc@lanl.gov> wrote:
Hi Marcia

You have to tell the process doing the lookup the connection info for the server that is hosting the published info. Otherwise, OMPI defaults to looking for it on its own mpirun, where it won't be found in this case.

Here is what you need to do (described in "man mpirun"):

1. mpirun  -np 1 --report-uri uri-file publish-test

2. mpirun  -np 1 --ompi-server file:uri-file connect-test


Hope that helps
Ralph



On Mar 16, 2009, at 7:50 AM, Marcia Cristina Cera wrote:

Hi,

I am using the OpenMPI version 1.3 downloaded directly from the site.

I want to establish a client/server connection among two local processes (in the same machine).
I wrote a simple publisher combining  MPI_Open_port / MPI_Publish_name / MPI_Comm_accept and a connector with MPI_Lookup_name / MPI_Comm_connect as can be seen in attachment.
An error of Invalid name argument (also in attachment) is reached in  MPI_Lookup_name, but I was execute the same test with LAM/MPI and it works well.

I did not find references to this error in OpenMPI lists.
Please, someone may help me with this problem?

Thank you in advance!
Márcia Cristina Cera.

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