[mpich-discuss] Is this possible for mpich2?

[Pavan Balaji]

You should be able to do this with a combination of MPI_Probe and 
MPI_Recv on the server side, and simple MPI_Send on the client side.

while (true) {
	MPI_Probe(...);
	/* Check for size of incoming data and malloc */
	MPI_Recv();
}

  -- Pavan

On 01/12/2011 06:58 AM, Eugene N wrote:
> Greetings,
>
> I was wondering, whether mpich2 can be used in the following scenario:
>
> Client-Server application, where N clients send data to server, at
> random moments
> in time, and server must collect them all, not caring much from whence
> the data came.
>
> sort of like this:
>
> SERVER: while(true) { recieve something from anybody}
>
> CLIENT1: if (i feel like it) {send something to server }
> ...
> CLIENTN: if (i feel like it) {send something to server }
>
>
> The problem is this - i don't really know what sort of interaction  this
> is in professional terms (is it synchronous, asynchronous, another
> kind?) and therefore what function i must look up in my reference manual
> pages.
>
> Also, there is another snag, the size of the data, being sent, is
> unknown (a random sized block of data)?
>
> I'd love to hear some opinions and advice on the matter
>
>
> Thanks in advance
>
> Eugene
>
>
>
>
>
>
>
>
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji