[mpich-discuss] MPICH2 & Large data

[Robert Kubrick]

Do you want to receive a message for which you don't know the number  
of elements in the array? You can use MPI_Probe() to get the number  
of elements of the incoming message and allocate a buffer large enough.

Or you could setup a two steps send/recv, where in the first step you  
send the number of elements you need to deliver.

On Oct 2, 2008, at 8:36 AM, Hisham Adel wrote:

>
> Hi,
>
> I am trying to send large data (2.5GB) using MPICH2. When the other  
> node is going to receive the data it can not cause in MPI_RECV  
> (void * buffer, Int count, .......) the count number will be very  
> large than the integer range.
>
> how can I make it receive large data ?
> Is there any solution for this problem ?
>
> Thanks alot
>
> Regards,
> Hisham Adel
>
>

-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.mcs.anl.gov/pipermail/mpich-discuss/attachments/20081002/e0af57e1/attachment.htm>