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Thanks for the bug report (r31467).
On Apr 21, 2014, at 06:05 , Lisandro Dalcin <dalcinl_at_[hidden]> wrote:
> IMHO, MPI_Op_commutative() should not fail for predefined reduced operations.
> [dalcinl_at_kw2060 openmpi]$ ompi_info --version
> Open MPI v1.8
> [dalcinl_at_kw2060 openmpi]$ cat op_commutative.c
> #include <mpi.h>
> int main(int argc, char *argv)
> int flag;
> return 0;
> [dalcinl_at_kw2060 openmpi]$ mpicc op_commutative.c
> [dalcinl_at_kw2060 openmpi]$ ./a.out
> [kw2060:19303] *** An error occurred in MPI_Op_commutative
> [kw2060:19303] *** reported by process [140737157201921,140239272148992]
> [kw2060:19303] *** on communicator MPI_COMM_WORLD
> [kw2060:19303] *** MPI_ERR_OP: invalid reduce operation
> [kw2060:19303] *** MPI_ERRORS_ARE_FATAL (processes in this
> communicator will now abort,
> [kw2060:19303] *** and potentially your MPI job)
> Lisandro Dalcin
> CIMEC (UNL/CONICET)
> Predio CONICET-Santa Fe
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> Link to this post: http://www.open-mpi.org/community/lists/devel/2014/04/14561.php