Good catch.
I filed https://svn.open-mpi.org/trac/ompi/ticket/4876 with a patch for the
fix; I want to get more eyeballs on it before I commit.
On Aug 26, 2014, at 7:07 AM, Lisandro Dalcin <dalc...@gmail.com> wrote:
> While I agree that the code below is rather useless, however I'm not
> sure it should actually fail:
>
> $ cat comm_split_type.c
> #include <assert.h>
> #include <mpi.h>
> int main(int argc, char *argv[])
> {
> MPI_Comm comm;
> MPI_Init(&argc, &argv);
> MPI_Comm_split_type(MPI_COMM_SELF,MPI_UNDEFINED,0,MPI_INFO_NULL,&comm);
> assert(comm == MPI_COMM_NULL);
> MPI_Finalize();
> return 0;
> }
>
> $ mpicc comm_split_type.c
> $ ./a.out
> [kw2060:9865] *** An error occurred in MPI_Comm_split_type
> [kw2060:9865] *** reported by process [140735368986625,140071768424448]
> [kw2060:9865] *** on communicator MPI_COMM_SELF
> [kw2060:9865] *** MPI_ERR_ARG: invalid argument of some other kind
> [kw2060:9865] *** MPI_ERRORS_ARE_FATAL (processes in this communicator
> will now abort,
> [kw2060:9865] *** and potentially your MPI job)
>
> --
> Lisandro Dalcin
> ============
> Research Scientist
> Computer, Electrical and Mathematical Sciences & Engineering (CEMSE)
> Numerical Porous Media Center (NumPor)
> King Abdullah University of Science and Technology (KAUST)
> http://numpor.kaust.edu.sa/
>
> 4700 King Abdullah University of Science and Technology
> al-Khawarizmi Bldg (Bldg 1), Office # 4332
> Thuwal 23955-6900, Kingdom of Saudi Arabia
> http://www.kaust.edu.sa
>
> Office Phone: +966 12 808-0459
> _______________________________________________
> devel mailing list
> de...@open-mpi.org
> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/devel
> Link to this post:
> http://www.open-mpi.org/community/lists/devel/2014/08/15710.php
--
Jeff Squyres
jsquy...@cisco.com
For corporate legal information go to:
http://www.cisco.com/web/about/doing_business/legal/cri/
