roblem was but it wasn't the called to MPI_Send
> blocking.
> Ed
>
>
> From: users-boun...@open-mpi.org on behalf of Jeff Squyres
> Sent: Tue 10/12/2010 6:52 AM
> To: Open MPI Users
> Subject: Re: [OMPI users] nonblocking send/receive question
>
> On Oct 11, 2010, at 1
MPI Users
Subject: Re: [OMPI users] nonblocking send/receive question
On Oct 11, 2010, at 1:29 PM, Bowen Zhou wrote:
> Try MPI_Isend?
'zactly correct.
You currently have an MPI_Wait on the sender side for no reason -- the request
is only filled in on the receiver. So you're wait
On Oct 11, 2010, at 1:29 PM, Bowen Zhou wrote:
> Try MPI_Isend?
'zactly correct.
You currently have an MPI_Wait on the sender side for no reason -- the request
is only filled in on the receiver. So you're waiting on an uninitialized
variable on the sender.
MPI_Send is a "blocking" send.
I have a glut application I am trying to add MPI to. In the display callback,
for rank >= 1, I want to send data to the rank =0 process. I am not concerned
at this point about sending data from the rank 0 process back to the rank >= 1
process, so my data is one direction. I would like to
