Open MPI users

HI Ray, I think you're correct about opening a new issue. I added a link to this email chain on

Hi there. We are in the process of migrating to RHEL9 and are working through how we plan to handle

Thank you for the bug report. Could you please create an issue on here: https://github.com/open-mpi/

I did more digging and you are correct; after updating another node (4), nodes 1 and 4 are happy to

I tried running your code below on a workstation with an Ubuntu 22.04.2 OS on 4 processes. I'm

Hi Open MPI users, Open MPI will be hosting our State of the Union Birds of a Feather (BOF) Session

Hello, I wonder what is the correct way to tell mpirun that all processes should be run on specific

Cliff, Is there any reason why you are not installing the latest version of the v5.0 series (eg 5.0.8

Dear Gilles, > Gilles Gouaillardet <gilles.go...@gmail.com> escribió: > > Jorge

This works: $ mpirun -x UCX_TLS=ib,rc -x UCX_NET_DEVICES=mlx4_0:1 -x MXM_RDMA_PORTS=mlx4_0:1 ./

Please ignore my prior answer, I just noticed you are running single-node. In addition to

-- Mit freundlichen Grüßen Udo Ziegenhagel --------------------------------------- Dipl.-Phys. Udo

add --mca pml_base_verbose 90 And should see something like this: [rock18:3045236] select: component

No, it is not fixed...when I get someting, I will report here. M. On Wednesday, 28 May 2025 at 23:49:

Looks like Brian Barrett has chimed in, as an original developer of Open MPI: Josh – I'm one of

Hello, I am trying to implement some graceful application shutdown in case mpirun receives a SIGTERM.

Hello Indeed the L1d and L1i affinity of some cores is wrong. L1 are private to each core, hence

Anna, The monitoring PML tracks all activity on the PML but might choose to only expose that one that

Hi Mathieu The statement at www.open-mpi.org is incorrect. It should read 3.1 Howard Get Outlook for

Gilles raises a good point: if you think you're using Open MPI v5.0.x, but you're somehow not

Nice catch Rainer! I absolutely forgot to include the btl/self component. Cheers, Gilles On Mon, Mar

unsubscribe -------- Matteo Guglielmi | DALCO AG | Industriestr. 28 | 8604 Volketswil | Switzerland |

All, The subject line of this email is vague, but that's only because I'm not sure what is

Hi Reuti, Sorry this missed 5.0.7. https://github.com/open-mpi/ompi/pull/13159 Hopefully it will show

Hi Team, My application fails with following error [compiled with openmpi-5.0.7, ucx-1.18.0, cuda-

I asked this before but did not receive a reply. Now with openmpi 5, I tried doing this with prte-

I'm not sure if I correctly understand the compiler complaint here, but I think it is complaining

Thanks Gilles & Patrick. As Gilles mentioned, while OpenMPI spawns prted daemons on compute nodes

NWChem uses MPI RMA via ARMCI-MPI, which is a separate repo (https://github.com/pmodels/armci-mpi).

The Open MPI community would like to publicly thank the New Mexico Consortium for hosting our GNU