[mpich-discuss] mpi program packet

[Jeff Hammond]

You are mostly wrong.

MPICH2 sits on top of DCMF only on Blue Gene/P and no other network
architecture.

Jeff

Sent from my iPhone

On Mar 9, 2011, at 6:22 AM, Mandar Gurav <mandarwce at gmail.com> wrote:

> MPICH is built on the top of DCMF API (Please, Correct if I am wrong!
> )as per the communication layer is concerned.
>
> DCMF is IBM Deep Computing Messaging Framework.
>
> For more info you can visit following links....
>
> http://dcmf.anl-external.org/wiki/index.php/Main_Page
>
> http://dcmf.anl-external.org/wiki/images/5/50/DCMF-Bof.ppt
>
> Mandar Gurav
>
> 2011/3/9 hatem Elshazly <strongwave83 at hotmail.com>:
>> hey guys,
>>
>> i want to know if any of you know how a node in a cluster identifies the
>> incoming packet as its  meant to MPI program?
>> or how does mpi program packet differes from any tcp packet?
>> or in other words..
>> what info(overhead) does MPICH2 or (MPI prgoram) put in the header of the
>> outgoing packet?
>>
>>
>> if anyone knows plz help me on that,
>>
>> thanks
>> hatem
>>
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>>
>>
>
>
>
> --
> Mandar Gurav
> http://www.mandargurav.org
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