..@yahoo.co.uk>
Cc: Open MPI Users <us...@open-mpi.org>
Sent: Tuesday, 21 August 2012, 10:37
Subject: Re: [OMPI users] MPI_Irecv: Confusion with <> inputy
parameter
Hello, Devendra,
Sending and receiving messages in MPI are atomic operations - they complete
only when the whole
have decided to receive a
> large payload in chunks of 80 bytes?
>
> I am sorry, the manual and the API reference was too vague for me.
>
> Thanks a lot
>
> Devendra
> From: "Iliev, Hristo" <il...@rz.rwth-aachen.de>
> To: Open MPI Users <us...@
I am sorry, the manual and the API reference was too vague for me.
>
> Thanks a lot
>
> Devendra
>
> From: "Iliev, Hristo" <il...@rz.rwth-aachen.de>
> To: Open MPI Users <us...@open-mpi.org>
> Cc: devendra rai <
PI Users <us...@open-mpi.org>
Cc: devendra rai <rai.deven...@yahoo.co.uk>
Sent: Tuesday, 21 August 2012, 9:48
Subject: Re: [OMPI users] MPI_Irecv: Confusion with <> inputy
parameter
Jeff,
>> Or is it the number of elements that are expected to be received,
Jeff,
>> Or is it the number of elements that are expected to be received, and hence
>> MPI_Test will tell me that the receive is not complete untill "count" number
>> of elements have not been received?
>
> Yes.
Answering "Yes" this question might further the confusion there. The "count"
On Aug 20, 2012, at 5:51 AM, devendra rai wrote:
> Is it the number of elements that have been received *thus far* in the buffer?
No.
> Or is it the number of elements that are expected to be received, and hence
> MPI_Test will tell me that the receive is not complete untill "count" number
>
Hello Community,
I have a problem understanding the API for MPI_Irecv:
int MPI_Irecv( void *buf, int count, MPI_Datatype datatype, int source, int
tag, MPI_Comm comm, MPI_Request *request );
Parameters
buf
[in] initial address of receive buffer (choice)
count
[in] number of elements in