Hi Brian
Many Thanks!!
I'll take a look at Open MPI as you suggest.
Cheers,
Leslie
2005/12/1, Brian Barrett <brbarret_at_[hidden]>:
> On Nov 30, 2005, at 11:47 AM, Leslie Watter wrote:
> You might want to take a look at Open MPI instead of LAM/MPI. Open
> MPI is the successor to LAM/MPI, developed by the LAM/MPI, FT-MPI, LA-
> MPI, and PAC-X MPI development teams. It has many of the great
> features of LAM/MPI (the component system, run-time selectable device
> support, etc.), as well as a bunch of new features (real multi-device
> support, better performance, good datatype support, etc.). The
> communication architecture is slightly different - there are two
> component layers under the MPI interface - the PML, which handles MPI
> semantics, message fragmenting, etc. and the BTL, which handles
> moving packets of data (and not much else).
>
> For your research, you would have to implement a BTL using the LLC
> protocol, which could then be compared to the TCP BTL. The BTL
> interface is quite small - only 11 functions (3 of which are optional
> to implement). Unfortunately, there is not as much documentation
> available for the BTL interface as there is for LAM's RPI interface.
> However, I think you will find the reduction in complication more
> than offsets the lack of documentation.
>
> If you are interested in using Open MPI, I'd suggest looking at some
> of the papers available here:
>
> http://www.open-mpi.org/papers/
>
> Note that references to the TEG PML are out of date - we've
> redesigned the lower layers and no longer actively support the TEG
> PML. (instead using the OB1 PML and the BTL interface). If you have
> any questions, there is a very responsive mailing list available -
> I'd recommend subscribing to the devel mailing list - more
> information is found here:
>
> http://www.open-mpi.org/community/lists/
>
>
> Hope this helps,
>
> Brian
>
>
> --
> Brian Barrett
> LAM/MPI developer and all around nice guy
> Have a LAM/MPI day: http://www.lam-mpi.org/
>
>
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