Re: [OMPI users] Question concerning compatibility of languages used with building OpenMPI and languages OpenMPI uses to build MPI binaries.

2017-09-22 Thread Jeff Hammond
There is already a nice solution for the useful special case of ABI portability where one wants to use more than one MPI library with an application binary, but only one MPI library for a given application invocation: https://github.com/cea-hpc/wi4mpi They document support for the Intel MPI and

Re: [OMPI users] Libnl bug in openmpi v3.0.0?

2017-09-22 Thread Stephen Guzik
Yes, I can confirm that openmpi 3.0.0 builds without issue when libnl-route-3-dev is installed. Thanks, Stephen Stephen Guzik, Ph.D. Assistant Professor, Department of Mechanical Engineering Colorado State University On 09/21/2017 12:55 AM, Gilles Gouaillardet wrote: > Stephen, > > > a simpler

[OMPI users] mpiexec hangs instead of exiting if a worker node dies

2017-09-22 Thread Tobias Pfeiffer
Hi, I am currently trying to learn about fault tolerance in MPI so I experimented a bit with what happens if I kill various components in my MPI setup, but there are some unexpected hangs in some situations. I use the following MPI script: #!/usr/bin/env python from mpi4py import MPI

Re: [OMPI users] OpenMPI installation issue or mpi4py compatibility problem

2017-09-22 Thread Gilles Gouaillardet
Great it is finally working ! nvml and opencl are only used by hwloc, and i do not think Open MPI is using these features, so i suggest you go ahead, reconfigure and rebuild Open MPI and see how things go Cheers, Gilles On 9/22/2017 4:59 PM, Tim Jim wrote: Hi Gilles, Yes, you're

Re: [OMPI users] OpenMPI installation issue or mpi4py compatibility problem

2017-09-22 Thread Tim Jim
Hi Gilles, Yes, you're right. I wanted to double check the compile but didn't notice I was pointing to the exec I compiled from a previous Make. mpicc now seems to work, running mpirun hello_c gives: Hello, world, I am 0 of 4, (Open MPI v3.0.0, package: Open MPI tjim@DESKTOP-TA3P0PS

Re: [OMPI users] OpenMPI installation issue or mpi4py compatibility problem

2017-09-22 Thread Gilles Gouaillardet
Was there an error in the copy/paste ? The mpicc command should be mpicc /opt/openmpi/openmpi-3.0.0_src/examples/hello_c.c Cheers, Gilles On Fri, Sep 22, 2017 at 3:33 PM, Tim Jim wrote: > Thanks for the thoughts and comments. Here is the setup information: > OpenMPI