Mpi_ibarrier? http://www.mpich.org/static/docs/v3.1/www3/MPI_Ibarrier.html
On 17 October 2014 10:58, Martin Sandve Alnæs <[email protected]> wrote: > How can I achieve an MPI barrier with a timeout? I'd like to start some > of the tests with garbage collection and an mpi barrier with a timeout so > we can exit semi-gracefully and report a point where things fail. > > A workaround I can think of is to run MPI.barrier in a python thread and > poll that thread until a timeout and then die if it doesn't return. I'm not > concerned with the fallout when blowing up here (or should I be?) because > this would probably be better than a deadlock and a later kill from the > outside anyway. > > Martin > -- Dr David Ham Departments of Mathematics and Computing Imperial College London http://www.imperial.ac.uk/people/david.ham
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