Re: [OMPI users] configure openmpi 2.0.x

2017-08-28 Thread James Kress
Gilles, Thank you for your response. I understand and respect the cautions. Jim -Original Message- From: Gilles Gouaillardet [mailto:gilles.gouaillar...@gmail.com] Sent: Monday, August 28, 2017 8:08 PM To: jimkress...@kressworks.org; Open MPI Users Subject: Re: [OMPI users] configure

Re: [OMPI users] configure openmpi 2.0.x

2017-08-28 Thread Gilles Gouaillardet
James, there is no such a configure option, nor a MCA parameter you can set in /.../etc/openmpi-mca-params.conf. since it is strongly advised *not* to run as root, there might be no plans to have this feature. though i also strongly suggest you avoid running as root, but if this is really what y

[OMPI users] configure openmpi 2.0.x

2017-08-28 Thread James Kress
I need to configure openmpi 2.0.x so the default does not require the --allow-run-as-root to be specified with mpirun, i.e. execution of mpirun by root is allowed by default. I do not see any option in the configure file to do this. How do I do this? Thanks. Jim Kress ___

[OMPI users] Need help to run hybrid code.

2017-08-28 Thread Pasha Pashaei
Dear friends I am going to run a hybrid MPI+OPENMP code. As you can see in the below I played with the number of threads in various cases while running my main code with (Openmpi,Mpich,Mpich2). As you can see in OpenMPi and Mpich it seems that openmp did not work at all as Total time did not cha

Re: [OMPI users] Bottleneck of OpenMPI over 100Gbps ROCE

2017-08-28 Thread Lizhaogeng
Hi Joshua, Thank you very much for your help. I reply the email so late because I wanted to confirm the provided solution with MXM before that. However, unfortunately, I haven't used MXM correctly so far (two servers cannot communicate with MXM). I'll tell you if MXM solves the problem after I fin