Thank you! Now it works.
On Mon, Jul 7, 2014 at 5:39 PM, Ralph Castain <r...@open-mpi.org> wrote:
> Okay, the problem is that you didn't configure OMPI to use PMI, and then
> ran your application using "direct launch" - i.e., starting it with srun
> instead of mpirun. So there is no way for the procs to obtain any
> information like their rank.
>
> You need to add this to your OMPI configure line:
>
> --with-slurm=/home/frolo/local/slurm --with-pmi=/home/frolo/local/slurm
>
>
> On Jul 7, 2014, at 6:29 AM, Alexander Frolov <alexndr.fro...@gmail.com>
> wrote:
>
> Ok, sorry. Here is the details:
>
> ---
> hello.c
> ---
> #include <mpi.h>
> #include <stdio.h>
> #include <sys/utsname.h>
>
> int main(int argc, char **argv)
> {
> int myrank;
> struct utsname unam;
>
> MPI_Init(&argc, &argv);
> uname(&unam);
> MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
> printf("Hello from rank %d on host %s\n", myrank, unam.nodename);
> MPI_Finalize();
>
> }
> ---
> srun -N 4 ./hello
>
> Hello from rank 0 on host A14
> Hello from rank 0 on host A12
> Hello from rank 0 on host A13
> Hello from rank 0 on host A11
> ---
> OpenMPI configured as follows:
>
> ./configure --prefix=/home/frolo/local/openmpi-1.8.1-gcc-4.8.2
> --with-openib --enable-mpi-thread-multiple CC=/local/usr/local/bin/gcc
> CXX=/local/usr/local/bin/g++
> ---
> slurm configured as follows:
>
> ./configure --prefix=/home/frolo/local/slurm
>
> (I'm running it as a user)
> ---
>
>
>
> On Mon, Jul 7, 2014 at 5:23 PM, Ralph Castain <r...@open-mpi.org> wrote:
>
>> With that little info, no - you haven't told us anything. How are you
>> running this "rank test", how was OMPI configured, etc?
>>
>>
>> On Jul 7, 2014, at 6:21 AM, Alexander Frolov <alexndr.fro...@gmail.com>
>> wrote:
>>
>> > Hi!
>> >
>> > I am running MPI rank test using srun and all processes think that they
>> are rank 0.
>> >
>> > * slurm 14.11.0-pre1
>> > * openmpi-1.8.1
>> >
>> > Any ideas what's wrong?
>> >
>> > Regards,
>> > Alex
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>>
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>>
>
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>
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