You can find the template for a BTL in ompi/mca/btl/template (You will find
this on the subversion trunk). Copy and rename the folder/files. Use this as
a starting point.
For details on creating a new component (such as a new BTL) look here -
The following document might also be useful -
On Tue, Aug 3, 2010 at 5:45 PM, Simone Pellegrini <
> Deal all,
> I need to implement an MPI layer on top of a message passing library which
> is currently used in a particular device where I have to run MPI programs (
> very vague, I know :) ).
> Instead of reinventing the wheel, my idea was to reuse most of the Open MPI
> implementation and just add a new layer to support my custom device. I guess
> that extending the Byte Transfer Layer of the Modular Component Architecture
> should make the job. Right?
> Anyway, before starting wasting my time looking for documentation I wanted
> to have some pointers to documentation regarding extension of Open MPI.
> Which are the interfaces I have to extend? Is there any "hello world"
> example on how to do it?
> many thanks, Simone
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