[mpich-discuss] Catching Exceptions

MSR msr9090 at gmail.com
Tue Aug 18 17:38:47 CDT 2009


Hi,

I noticed that when a process dies then MPIException is not thrown on other
process. They all abort with message "rank N caused collective abort of all
ranks". Is this how it is supposed to work? Or should I doing to something
special so that MPI throws and exception. I even tried with
MPI::COMM_WORLD.Set_errhandler(MPI::ERRORS_THROW_EXCEPTION) but still no
exceptions raised in the case where a process dies.

Thanks,
MSR
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