Some questions are easier than others
On Aug 23, 2013, at 07:54 , mahesh <mahsh.baheti_at_[hidden]> wrote:
> I know that its a huge code base. But, I am looking for specific answers like does OpenMPI use sockets?
When Open MPI is using TCP it does indeed use sockets.
> Can programs written without mpi libraries be run on
> clusters using orte(with some changes)?
Yes, that's why you can run "mpirun -np 4 hostname".
> It would be really helpful if at least these and related doubts can be solved.
Hope that helps.
> On Aug 22, 2013 (jsquyres) <jsquyres_at_[hidden]> wrote
>> Note that according to http://www.ohloh.net/p/openmpi, OMPI is over 3/4M lines of code. I doubt you will be able to get a thorough understanding of *all* of OMPI in a semester or two -- indeed, I doubt that any one Open MPI core developer has a thorough understanding of the whole code base (I know I don't!).
>> I don't say these things to discourage you; I actually just want to encourage you to set realistic expectations for what you'll be able to do.
>> Are there any particular areas that you'd like to focus on? MPI -- and the Open MPI implementation -- covers a *lot* of different subsystems and concepts.
>> On Aug 22, 2013, at 8:06 AM, mahesh <mahsh.baheti_at_[hidden]> wrote:
>>> I am an newbie to all MPI concepts and I would like to understand the MPI source code thoroughly for
>>> an academic project. So, what I need is an detailed explanation of how every framework and module
>>> works. It would be really helpful if wise people could point me to right direction.
>>> devel mailing list
>> Jeff Squyres
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