[mpich-discuss] Receiving on several intercommunicators

[William Gropp]

The closest MPI equivalent to select is MPI_Waitsome and  
MPI_Testsome .  These do require that requests be posted on each of  
the intercommunicators of interest, and so you'll need to know what  
sort of message you are expecting.

Bill

On Mar 26, 2008, at 11:20 AM, Florin Isaila wrote:

> Hi all,
>
> I have a question about receiving data on several inter-comunicators
> in MPI. I am looking for a similar functionality as POSIX select on
> file descriptors: be able to find out on which inter-communicator I
> received data in a blocking way (I would like to avoid polling). Is
> there something like that in the MPI standand?
>
> Thanks
> Florin
>

William Gropp
Paul and Cynthia Saylor Professor of Computer Science
University of Illinois Urbana-Champaign


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