[mpich-discuss] blocking Receive

[Pavan Balaji]

No, there's no such limit. The error message doesn't seem to be coming 
from MPICH2. Might be from some other library linked to your application?

  -- Pavan

On 08/26/2010 01:36 PM, Hiatt, Dave M wrote:
> Is there any limit on how long a process can be on a Blocking Receive?
> I have a particular app which delivers data from Node 0 and then the
> other ranks run for an hour or two before results are ready, and a
> message comes back. Right now I just have Node 0 sitting on a blocking
> receive waiting. I’ve noticed from time to time I can get a “specified
> message not available” during this time even in cases when I’m running
> all the processes locally so that it should all be running via shared
> memory (Nemesis as I’m on 1.2.1). What are the likely causes for this
> message in that circumstances? This is not a regular problem, but crops
> up from time to time.
>
> “People get held back by the voice inside em” – K’naan – In the Beginning
>
> *Dave M. Hiatt*
>
> Director, Risk Analytics
>
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-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji