Thanks, but ibarrier doesn't seem to be in the stable version of openmpi: http://www.open-mpi.org/doc/v1.8/ Otherwise mpi_ibarrier+mpi_test+homemade time/sleep loop would do the trick.
Martin On 17 October 2014 12:23, David Ham <[email protected]> wrote: > 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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