On Sat, 2009-10-03 at 07:05 -0400, Jeff Squyres wrote:
> That being said, if you just want to send a quick "notify" that an
> event has occurred, you might want to use a specific tag and/or
> communicator for these extraordinary messages. Then, when the event
> occurs, send a very short
Keep in mind that MPI says you do have to eventually receive the
message -- so just checking if it's there is not enough (eventually).
Iprobe is definitely one way. You could also post a non-blocking
receive (persistent or not) and MPI_TEST to see if it has completed.
However, if the
I am not sure if this is the right place the ask this question but here
it goes.
Simplified abstract version of the question.
I have 2 MPI processes and I want one to make an occasional signal to
the other process. These signals will not happen at predictable times.
I want the other process
