Answering two questions at one time: I am pretty sure we are not using PMI2.
Jobs are launched via "sbatch job_script" where the script contains "mpirun ./executable_file". There appear to be issues with at least OMPI 1.6.4 and 1.8.X. Thanks Peter On 2/5/15, 5:39 PM, "Ralph Castain" <r...@open-mpi.org> wrote: > >And are you launching via mpirun or directly with srun <myapp>? What OMPI >version are you using? > > >> On Feb 5, 2015, at 3:32 PM, Chris Samuel <sam...@unimelb.edu.au> wrote: >> >> >> On Thu, 5 Feb 2015 03:27:25 PM Peter A Ruprecht wrote: >> >>> I ask because some of our users have started reporting a 10x increase >>>in >>> run-times of OpenMPI jobs since we upgraded to 14.11.3 from 14.3. It's >>> possible there is some other problem going on in our cluster, but all >>>of >>> our hardware checks including Infiniband diagnostics look pretty clean. >> >> Are you using PMI2? >> >> cheers, >> Chris >> -- >> Christopher Samuel Senior Systems Administrator >> VLSCI - Victorian Life Sciences Computation Initiative >> Email: sam...@unimelb.edu.au Phone: +61 (0)3 903 55545 >> http://www.vlsci.org.au/ http://twitter.com/vlsci
