Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

Pl unsubscribe me. On Fri, 5 Mar, 2021, 6:02 AM Gilles Gouaillardet via users, < users@lists.open-mpi.org> wrote: > On top of XPMEM, try to also force btl/vader with > mpirun --mca pml ob1 --mca btl vader,self, ... > > On Fri, Mar 5, 2021 at 8:37 AM Nathan Hjelm via users > wrote: > > > > I

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

On top of XPMEM, try to also force btl/vader with mpirun --mca pml ob1 --mca btl vader,self, ... On Fri, Mar 5, 2021 at 8:37 AM Nathan Hjelm via users wrote: > > I would run the v4.x series and install xpmem if you can > (http://github.com/hjelmn/xpmem). You will need to build with >

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

I would run the v4.x series and install xpmem if you can (http://github.com/hjelmn/xpmem ). You will need to build with —with-xpmem=/path/to/xpmem to use xpmem otherwise vader will default to using CMA. This will provide the best possible performance. -Nathan >

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

Extremely sorry about that label – It is a default label applied to the emails. Will make sure it does not get applied again. With Regards, S. Biplab Raut From: users On Behalf Of Ralph Castain via users Sent: Thursday, March 4, 2021 7:11 PM To: Open MPI Users Cc: Ralph Castain Subject: Re:

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

Excuse me, but would you please ensure that you do not send mail to a mailing list containing this label: [AMD Official Use Only - Internal Distribution Only] Thank you Ralph On Mar 4, 2021, at 4:55 AM, Raut, S Biplab via users mailto:users@lists.open-mpi.org> > wrote: [AMD Official Use Only

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

[AMD Official Use Only - Internal Distribution Only] It is a single node execution, so it should be using shared memory (vader). With Regards, S. Biplab Raut From: Heinz, Michael William Sent: Thursday, March 4, 2021 5:17 PM To: Open MPI Users Cc: Raut, S Biplab Subject: Re: [OMPI users]

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

What interconnect are you using at run time? That is, are you using Ethernet or InfiniBand or Omnipath? Sent from my iPad On Mar 4, 2021, at 5:05 AM, Raut, S Biplab via users wrote:  [AMD Official Use Only - Internal Distribution Only] After downloading a particular openMPI version, let’s

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

[AMD Official Use Only - Internal Distribution Only] After downloading a particular openMPI version, let's say v3.1.1 from https://download.open-mpi.org/release/open-mpi/v3.1/openmpi-3.1.1.tar.gz , I follow the below steps. ./configure --prefix="$INSTALL_DIR" --enable-mpi-fortran

Re: [OMPI users] Stable and performant openMPI version for Ubuntu20.04 ?

How are you installing the OpenMPI versions? Are you using packages which are distributed by the OS? It might be worth looking at using Easybuid or Spack https://docs.easybuild.io/en/latest/Introduction.html https://spack.readthedocs.io/en/latest/ On Thu, 4 Mar 2021 at 07:35, Raut, S Biplab via