[mvapich-discuss] Timeouts for MPI_Bcast, MPI_Barrier and MPI_Win_fence

[Pavan Balaji]

On 10/28/2009 10:23 AM, Mayhall, Anthony J. (MSFC-ES53)[TBE-1] wrote:
> Is it possible to specify a timeout value for MPI_Bcast, MPI_Barrier 
> and MPI_Win_fence so that those calls would fail once the timeout 
> value is reached? We are trying to use MPI in a real-time 
> hardware-in-the-loop application and we need to be able to have those
> calls timeout so the processes will not hang.

The current MPI-2.2 standard doesn't allow this. However, a similar
issue was raised by another application scientist here at Argonne. Maybe
it is something to be considered for MPI-3.

 -- Pavan

-- 
Pavan Balaji
http://www.mcs.anl.gov/~balaji