Re: [OMPI devel] Hints for using an own pmix server

2018-10-08 Thread Ralph H Castain
Even PRRTE won’t allow you to stop the orted from initializing its PMIx server. I’m not sure I really understand your objective. Remember, PMIx is just a library - the orted opens it and uses it to interface to its client application procs. It makes no sense to have some other process perform th

Re: [OMPI devel] Hints for using an own pmix server

2018-10-08 Thread Gilles Gouaillardet
Stephan, Have you already checked https://github.com/pmix/prrte ? This is the PMIx Reference RunTime Environment (PPRTE), which was built on top of orted. Long story short, it deploys the PMIx server and then you start your MPI app with prun An example is available at https://github.com/p

Re: [OMPI devel] Hints for using an own pmix server

2018-10-08 Thread Stephan Krempel
Hello again, just want to add the versions I am using: OpenMPI 3.1.2 with external PMIx 2.1.3 Sorry that I missed that in the first mail. Regards, Stephan Am Dienstag, den 09.10.2018, 01:45 +0200 schrieb Stephan Krempel: > Hallo everyone, > > I am currently implementing a PMIx server and I

[OMPI devel] Hints for using an own pmix server

2018-10-08 Thread Stephan Krempel
Hallo everyone, I am currently implementing a PMIx server and I try to use it with OpenMPI. I do have an own mpiexec which starts my PMIx server and launches the processes. If I launch an executable linked against OpenMPI, during MPI_Init() the ORTE layer starts another PMIx server and overrides

[OMPI devel] Announcing Open MPI v4.0.0rc4

2018-10-08 Thread Geoffrey Paulsen
Announcing Open MPI v4.0.0rc4Please download from https://www.open-mpi.org/software/ompi/v4.0/ and provide feedback from your favorite platforms.   changes from rc3 include:  PR #5780 - Fortran 08 bindings fixes    fortran/use-mpi-f08: Corrections to PMPI signatures of collectives    interface to s