Hi all,
Well, I just wanted to say that from a software engineering (and also
computer science) point of view,
OMP, MPI and threads are completely diferent models for parallel
computation/concurrent programming.
I do not believe that any capable engineer (or good programmer for all
I know) can
Hi Devel list, crossposting as this is getting weird...
Alfonso did a client/server using MPI_Publish_name / MPI_Lookup_name
and it runs fine on both MPICH2 and LAM-MPI but fail on Open MPI. It's
not a simple failure (ie. returning an error code) it breaks the
execution line and quits. The server
On 9/7/06, Eng. A.A. Isola wrote:
For the other
discussion...I have used only the MPI2 rouines inside my programs and
nothinf other. Then is not possible that it doesn't works. I can
understand, for example, that inside Open_MPI the threads or the
Client-
Server routines are realized in differen
Yes, you have right!, I send you the real program.
For the other
discussion...I have used only the MPI2 rouines inside my programs and
nothinf other. Then is not possible that it doesn't works. I can
understand, for example, that inside Open_MPI the threads or the
Client-
Server routines are re
Hi Alfonso,
I couldn't even compile your code directly, is it the one you're using
? It does not even makes sense... can you send the code you are using,
or at least a working portion of it that contains
MPI_LOOKUP_NAME with which we can reproduce your error ?
I have the
same problem also if I
Simple Client-Server Example.
This is a simple example; the server
accepts only a single connection at a time and serves
that connection
until the client requests to be disconnected. The server is a single
process.
Here is the server. It accepts a single connection and then
processes data until
On 9/7/06, Eng. A.A. Isola wrote:
hy it is not possible to use the "The MPI Extensions" (yellow book)
Client-Server example?!?!?!?
Hi, I don't have this book, can you point us the code, pls ?
In MPICH2 this example works properly.
It was probably designed to MPICH2, I wouldn't expect ever
On 9/7/06, Paul Fons wrote:
I would be happy if I could just solve this problem, but I do have
another (more complicated) question. Soon I will have yet another
remote machine (a new "woodcrest" quad core macintosh) to connect
to. The two remote machines have two NICs. Routine communications
hy it is not possible to use the "The MPI Extensions" (yellow book)
Client-Server example?!?!?!?
In MPICH2 this example works properly.
I
have compiled with Open-MPI mpicc properly the program without error
and later I have execute it.
I have many problems with the
MPI_LOOKUP_NAME that returns
I solved my own question the other day regarding a openmpi job
running in parallel on my own g5 computer and failing on a remote.
The problem apparently has to do with the fact there are two NICs in
the remote machine. By specifying a command line like:
mpiexec --mca btl_tcp_if_include
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